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PubMed Central Canada to be taken offline in February 2018

On February 23, 2018, PubMed Central Canada (PMC Canada) will be taken offline permanently. No author manuscripts will be deleted, and the approximately 2,900 manuscripts authored by Canadian Institutes of Health Research (CIHR)-funded researchers currently in the archive will be copied to the National Research Council’s (NRC) Digital Repository over the coming months. These manuscripts along with all other content will also remain publicly searchable on PubMed Central (US) and Europe PubMed Central, meaning such manuscripts will continue to be compliant with the Tri-Agency Open Access Policy on Publications.

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1.  31st Annual Meeting and Associated Programs of the Society for Immunotherapy of Cancer (SITC 2016): part two 
Ager, Casey | Reilley, Matthew | Nicholas, Courtney | Bartkowiak, Todd | Jaiswal, Ashvin | Curran, Michael | Albershardt, Tina C. | Bajaj, Anshika | Archer, Jacob F. | Reeves, Rebecca S. | Ngo, Lisa Y. | Berglund, Peter | ter Meulen, Jan | Denis, Caroline | Ghadially, Hormas | Arnoux, Thomas | Chanuc, Fabien | Fuseri, Nicolas | Wilkinson, Robert W. | Wagtmann, Nicolai | Morel, Yannis | Andre, Pascale | Atkins, Michael B. | Carlino, Matteo S. | Ribas, Antoni | Thompson, John A. | Choueiri, Toni K. | Hodi, F. Stephen | Hwu, Wen-Jen | McDermott, David F. | Atkinson, Victoria | Cebon, Jonathan S. | Fitzharris, Bernie | Jameson, Michael B. | McNeil, Catriona | Hill, Andrew G. | Mangin, Eric | Ahamadi, Malidi | van Vugt, Marianne | van Zutphen, Mariëlle | Ibrahim, Nageatte | Long, Georgina V. | Gartrell, Robyn | Blake, Zoe | Simoes, Ines | Fu, Yichun | Saito, Takuro | Qian, Yingzhi | Lu, Yan | Saenger, Yvonne M. | Budhu, Sadna | De Henau, Olivier | Zappasodi, Roberta | Schlunegger, Kyle | Freimark, Bruce | Hutchins, Jeff | Barker, Christopher A. | Wolchok, Jedd D. | Merghoub, Taha | Burova, Elena | Allbritton, Omaira | Hong, Peter | Dai, Jie | Pei, Jerry | Liu, Matt | Kantrowitz, Joel | Lai, Venus | Poueymirou, William | MacDonald, Douglas | Ioffe, Ella | Mohrs, Markus | Olson, William | Thurston, Gavin | Capasso, Cristian | Frascaro, Federica | Carpi, Sara | Tähtinen, Siri | Feola, Sara | Fusciello, Manlio | Peltonen, Karita | Martins, Beatriz | Sjöberg, Madeleine | Pesonen, Sari | Ranki, Tuuli | Kyruk, Lukasz | Ylösmäki, Erkko | Cerullo, Vincenzo | Cerignoli, Fabio | Xi, Biao | Guenther, Garret | Yu, Naichen | Muir, Lincoln | Zhao, Leyna | Abassi, Yama | Cervera-Carrascón, Víctor | Siurala, Mikko | Santos, João | Havunen, Riikka | Parviainen, Suvi | Hemminki, Akseli | Dalgleish, Angus | Mudan, Satvinder | DeBenedette, Mark | Plachco, Ana | Gamble, Alicia | Grogan, Elizabeth W. | Krisko, John | Tcherepanova, Irina | Nicolette, Charles | Dhupkar, Pooja | Yu, Ling | Kleinerman, Eugenie S. | Gordon, Nancy | Grenga, Italia | Lepone, Lauren | Gameiro, Sofia | Knudson, Karin M. | Fantini, Massimo | Tsang, Kwong | Hodge, James | Donahue, Renee | Schlom, Jeffrey | Evans, Elizabeth | Bussler, Holm | Mallow, Crystal | Reilly, Christine | Torno, Sebold | Scrivens, Maria | Foster, Cathie | Howell, Alan | Balch, Leslie | Knapp, Alyssa | Leonard, John E. | Paris, Mark | Fisher, Terry | Hu-Lieskovan, Siwen | Ribas, Antoni | Smith, Ernest | Zauderer, Maurice | Fogler, William | Franklin, Marilyn | Thayer, Matt | Saims, Dan | Magnani, John L. | Gong, Jian | Gray, Michael | Hutchins, Jeff | Freimark, Bruce | Fromm, George | de Silva, Suresh | Giffin, Louise | Xu, Xin | Rose, Jason | Schreiber, Taylor H. | Fantini, Massimo | Gameiro, Sofia R. | Knudson, Karin M. | Clavijo, Paul E. | Allen, Clint T. | Donahue, Renee | Lepone, Lauren | Grenga, Italia | Hodge, James W. | Tsang, Kwong Y. | Schlom, Jeffrey | Gray, Michael | Gong, Jian | Hutchins, Jeff | Freimark, Bruce | Grogan, Jane | Manieri, Nicholas | Chiang, Eugene | Caplazi, Patrick | Yadav, Mahesh | Hagner, Patrick | Chiu, Hsiling | Waldman, Michelle | Klippel, Anke | Thakurta, Anjan | Pourdehnad, Michael | Gandhi, Anita | Henrich, Ian | Quick, Laura | Young, Rob | Chou, Margaret | Hotson, Andrew | Willingham, Stephen | Ho, Po | Choy, Carmen | Laport, Ginna | McCaffery, Ian | Miller, Richard | Tipton, Kimberly A. | Wong, Kenneth R. | Singson, Victoria | Wong, Chihunt | Chan, Chanty | Huang, Yuanhiu | Liu, Shouchun | Richardson, Jennifer H. | Kavanaugh, W. Michael | West, James | Irving, Bryan A. | Tipton, Kimberly A. | Wong, Kenneth R. | Singson, Victoria | Wong, Chihunt | Chan, Chanty | Huang, Yuanhiu | Liu, Shouchun | Richardson, Jennifer H. | Kavanaugh, W. Michael | West, James | Irving, Bryan A. | Jaini, Ritika | Loya, Matthew | Eng, Charis | Johnson, Melissa L. | Adjei, Alex A. | Opyrchal, Mateusz | Ramalingam, Suresh | Janne, Pasi A. | Dominguez, George | Gabrilovich, Dmitry | de Leon, Laura | Hasapidis, Jeannette | Diede, Scott J. | Ordentlich, Peter | Cruickshank, Scott | Meyers, Michael L. | Hellmann, Matthew D. | Kalinski, Pawel | Zureikat, Amer | Edwards, Robert | Muthuswamy, Ravi | Obermajer, Nataša | Urban, Julie | Butterfield, Lisa H. | Gooding, William | Zeh, Herbert | Bartlett, David | Zubkova, Olga | Agapova, Larissa | Kapralova, Marina | Krasovskaia, Liudmila | Ovsepyan, Armen | Lykov, Maxim | Eremeev, Artem | Bokovanov, Vladimir | Grigoryeva, Olga | Karpov, Andrey | Ruchko, Sergey | Nicolette, Charles | Shuster, Alexandr | Khalil, Danny N. | Campesato, Luis Felipe | Li, Yanyun | Merghoub, Taha | Wolchok, Jedd D. | Lazorchak, Adam S. | Patterson, Troy D. | Ding, Yueyun | Sasikumar, Pottayil | Sudarshan, Naremaddepalli | Gowda, Nagaraj | Ramachandra, Raghuveer | Samiulla, Dodheri | Giri, Sanjeev | Eswarappa, Rajesh | Ramachandra, Murali | Tuck, David | Wyant, Timothy | Leshem, Jasmin | Liu, Xiu-fen | Bera, Tapan | Terabe, Masaki | Bossenmaier, Birgit | Niederfellner, Gerhard | Reiter, Yoram | Pastan, Ira | Xia, Leiming | Xia, Yang | Hu, Yangyang | Wang, Yi | Bao, Yangyi | Dai, Fu | Huang, Shiang | Hurt, Elaine | Hollingsworth, Robert E. | Lum, Lawrence G. | Chang, Alfred E. | Wicha, Max S. | Li, Qiao | Mace, Thomas | Makhijani, Neil | Talbert, Erin | Young, Gregory | Guttridge, Denis | Conwell, Darwin | Lesinski, Gregory B. | Gonzales, Rodney JM Macedo | Huffman, Austin P. | Wang, Ximi K. | Reshef, Ran | MacKinnon, Andy | Chen, Jason | Gross, Matt | Marguier, Gisele | Shwonek, Peter | Sotirovska, Natalija | Steggerda, Susanne | Parlati, Francesco | Makkouk, Amani | Bennett, Mark K. | Chen, Jason | Emberley, Ethan | Gross, Matt | Huang, Tony | Li, Weiqun | MacKinnon, Andy | Marguier, Gisele | Neou, Silinda | Pan, Alison | Zhang, Jing | Zhang, Winter | Parlati, Francesco | Marshall, Netonia | Marron, Thomas U. | Agudo, Judith | Brown, Brian | Brody, Joshua | McQuinn, Christopher | Mace, Thomas | Farren, Matthew | Komar, Hannah | Shakya, Reena | Young, Gregory | Ludwug, Thomas | Lesinski, Gregory B. | Morillon, Y. Maurice | Hammond, Scott A. | Schlom, Jeffrey | Greiner, John W. | Nath, Pulak R. | Schwartz, Anthony L. | Maric, Dragan | Roberts, David D. | Obermajer, Nataša | Bartlett, David | Kalinski, Pawel | Naing, Aung | Papadopoulos, Kyriakos P. | Autio, Karen A. | Wong, Deborah J. | Patel, Manish | Falchook, Gerald | Pant, Shubham | Ott, Patrick A. | Whiteside, Melinda | Patnaik, Amita | Mumm, John | Janku, Filip | Chan, Ivan | Bauer, Todd | Colen, Rivka | VanVlasselaer, Peter | Brown, Gail L. | Tannir, Nizar M. | Oft, Martin | Infante, Jeffrey | Lipson, Evan | Gopal, Ajay | Neelapu, Sattva S. | Armand, Philippe | Spurgeon, Stephen | Leonard, John P. | Hodi, F. Stephen | Sanborn, Rachel E. | Melero, Ignacio | Gajewski, Thomas F. | Maurer, Matthew | Perna, Serena | Gutierrez, Andres A. | Clynes, Raphael | Mitra, Priyam | Suryawanshi, Satyendra | Gladstone, Douglas | Callahan, Margaret K. | Crooks, James | Brown, Sheila | Gauthier, Audrey | de Boisferon, Marc Hillairet | MacDonald, Andrew | Brunet, Laura Rosa | Rothwell, William T. | Bell, Peter | Wilson, James M. | Sato-Kaneko, Fumi | Yao, Shiyin | Zhang, Shannon S. | Carson, Dennis A. | Guiducci, Cristina | Coffman, Robert L. | Kitaura, Kazutaka | Matsutani, Takaji | Suzuki, Ryuji | Hayashi, Tomoko | Cohen, Ezra E. W. | Schaer, David | Li, Yanxia | Dobkin, Julie | Amatulli, Michael | Hall, Gerald | Doman, Thompson | Manro, Jason | Dorsey, Frank Charles | Sams, Lillian | Holmgaard, Rikke | Persaud, Krishnadatt | Ludwig, Dale | Surguladze, David | Kauh, John S. | Novosiadly, Ruslan | Kalos, Michael | Driscoll, Kyla | Pandha, Hardev | Ralph, Christy | Harrington, Kevin | Curti, Brendan | Sanborn, Rachel E. | Akerley, Wallace | Gupta, Sumati | Melcher, Alan | Mansfield, David | Kaufman, David R. | Schmidt, Emmett | Grose, Mark | Davies, Bronwyn | Karpathy, Roberta | Shafren, Darren | Shamalov, Katerina | Cohen, Cyrille | Sharma, Naveen | Allison, James | Shekarian, Tala | Valsesia-Wittmann, Sandrine | Caux, Christophe | Marabelle, Aurelien | Slomovitz, Brian M. | Moore, Kathleen M. | Youssoufian, Hagop | Posner, Marshall | Tewary, Poonam | Brooks, Alan D. | Xu, Ya-Ming | Wijeratne, Kithsiri | Gunatilaka, Leslie A. A. | Sayers, Thomas J. | Vasilakos, John P. | Alston, Tesha | Dovedi, Simon | Elvecrog, James | Grigsby, Iwen | Herbst, Ronald | Johnson, Karen | Moeckly, Craig | Mullins, Stefanie | Siebenaler, Kristen | SternJohn, Julius | Tilahun, Ashenafi | Tomai, Mark A. | Vogel, Katharina | Wilkinson, Robert W. | Vietsch, Eveline E. | Wellstein, Anton | Wythes, Martin | Crosignani, Stefano | Tumang, Joseph | Alekar, Shilpa | Bingham, Patrick | Cauwenberghs, Sandra | Chaplin, Jenny | Dalvie, Deepak | Denies, Sofie | De Maeseneire, Coraline | Feng, JunLi | Frederix, Kim | Greasley, Samantha | Guo, Jie | Hardwick, James | Kaiser, Stephen | Jessen, Katti | Kindt, Erick | Letellier, Marie-Claire | Li, Wenlin | Maegley, Karen | Marillier, Reece | Miller, Nichol | Murray, Brion | Pirson, Romain | Preillon, Julie | Rabolli, Virginie | Ray, Chad | Ryan, Kevin | Scales, Stephanie | Srirangam, Jay | Solowiej, Jim | Stewart, Al | Streiner, Nicole | Torti, Vince | Tsaparikos, Konstantinos | Zheng, Xianxian | Driessens, Gregory | Gomes, Bruno | Kraus, Manfred | Xu, Chunxiao | Zhang, Yanping | Kradjian, Giorgio | Qin, Guozhong | Qi, Jin | Xu, Xiaomei | Marelli, Bo | Yu, Huakui | Guzman, Wilson | Tighe, Rober | Salazar, Rachel | Lo, Kin-Ming | English, Jessie | Radvanyi, Laszlo | Lan, Yan | Zappasodi, Roberta | Budhu, Sadna | Hellmann, Matthew D. | Postow, Michael | Senbabaoglu, Yasin | Gasmi, Billel | Zhong, Hong | Li, Yanyun | Liu, Cailian | Hirschhorhn-Cymerman, Daniel | Wolchok, Jedd D. | Merghoub, Taha | Zha, Yuanyuan | Malnassy, Gregory | Fulton, Noreen | Park, Jae-Hyun | Stock, Wendy | Nakamura, Yusuke | Gajewski, Thomas F. | Liu, Hongtao | Ju, Xiaoming | Kosoff, Rachelle | Ramos, Kimberly | Coder, Brandon | Petit, Robert | Princiotta, Michael | Perry, Kyle | Zou, Jun | Arina, Ainhoa | Fernandez, Christian | Zheng, Wenxin | Beckett, Michael A. | Mauceri, Helena J. | Fu, Yang-Xin | Weichselbaum, Ralph R. | DeBenedette, Mark | Lewis, Whitney | Gamble, Alicia | Nicolette, Charles | Han, Yanyan | Wu, Yeting | Yang, Chou | Huang, Jing | Wu, Dongyun | Li, Jin | Liang, Xiaoling | Zhou, Xiangjun | Hou, Jinlin | Hassan, Raffit | Jahan, Thierry | Antonia, Scott J. | Kindler, Hedy L. | Alley, Evan W. | Honarmand, Somayeh | Liu, Weiqun | Leong, Meredith L. | Whiting, Chan C. | Nair, Nitya | Enstrom, Amanda | Lemmens, Edward E. | Tsujikawa, Takahiro | Kumar, Sushil | Coussens, Lisa M. | Murphy, Aimee L. | Brockstedt, Dirk G. | Koch, Sven D. | Sebastian, Martin | Weiss, Christian | Früh, Martin | Pless, Miklos | Cathomas, Richard | Hilbe, Wolfgang | Pall, Georg | Wehler, Thomas | Alt, Jürgen | Bischoff, Helge | Geissler, Michael | Griesinger, Frank | Kollmeier, Jens | Papachristofilou, Alexandros | Doener, Fatma | Fotin-Mleczek, Mariola | Hipp, Madeleine | Hong, Henoch S. | Kallen, Karl-Josef | Klinkhardt, Ute | Stosnach, Claudia | Scheel, Birgit | Schroeder, Andreas | Seibel, Tobias | Gnad-Vogt, Ulrike | Zippelius, Alfred | Park, Ha-Ram | Ahn, Yong-Oon | Kim, Tae Min | Kim, Soyeon | Kim, Seulki | Lee, Yu Soo | Keam, Bhumsuk | Kim, Dong-Wan | Heo, Dae Seog | Pilon-Thomas, Shari | Weber, Amy | Morse, Jennifer | Kodumudi, Krithika | Liu, Hao | Mullinax, John | Sarnaik, Amod A. | Pike, Luke | Bang, Andrew | Ott, Patrick A. | Balboni, Tracy | Taylor, Allison | Spektor, Alexander | Wilhite, Tyler | Krishnan, Monica | Cagney, Daniel | Alexander, Brian | Aizer, Ayal | Buchbinder, Elizabeth | Awad, Mark | Ghandi, Leena | Hodi, F. Stephen | Schoenfeld, Jonathan | Schwartz, Anthony L. | Nath, Pulak R. | Lessey-Morillon, Elizabeth | Ridnour, Lisa | Roberts, David D. | Segal, Neil H. | Sharma, Manish | Le, Dung T. | Ott, Patrick A. | Ferris, Robert L. | Zelenetz, Andrew D. | Neelapu, Sattva S. | Levy, Ronald | Lossos, Izidore S. | Jacobson, Caron | Ramchandren, Radhakrishnan | Godwin, John | Colevas, A. Dimitrios | Meier, Roland | Krishnan, Suba | Gu, Xuemin | Neely, Jaclyn | Suryawanshi, Satyendra | Timmerman, John | Vanpouille-Box, Claire I. | Formenti, Silvia C. | Demaria, Sandra | Wennerberg, Erik | Mediero, Aranzazu | Cronstein, Bruce N. | Formenti, Silvia C. | Demaria, Sandra | Gustafson, Michael P. | DiCostanzo, AriCeli | Wheatley, Courtney | Kim, Chul-Ho | Bornschlegl, Svetlana | Gastineau, Dennis A. | Johnson, Bruce D. | Dietz, Allan B. | MacDonald, Cameron | Bucsek, Mark | Qiao, Guanxi | Hylander, Bonnie | Repasky, Elizabeth | Turbitt, William J. | Xu, Yitong | Mastro, Andrea | Rogers, Connie J. | Withers, Sita | Wang, Ziming | Khuat, Lam T. | Dunai, Cordelia | Blazar, Bruce R. | Longo, Dan | Rebhun, Robert | Grossenbacher, Steven K. | Monjazeb, Arta | Murphy, William J. | Rowlinson, Scott | Agnello, Giulia | Alters, Susan | Lowe, David | Scharping, Nicole | Menk, Ashley V. | Whetstone, Ryan | Zeng, Xue | Delgoffe, Greg M. | Santos, Patricia M. | Menk, Ashley V. | Shi, Jian | Delgoffe, Greg M. | Butterfield, Lisa H. | Whetstone, Ryan | Menk, Ashley V. | Scharping, Nicole | Delgoffe, Greg | Nagasaka, Misako | Sukari, Ammar | Byrne-Steele, Miranda | Pan, Wenjing | Hou, Xiaohong | Brown, Brittany | Eisenhower, Mary | Han, Jian | Collins, Natalie | Manguso, Robert | Pope, Hans | Shrestha, Yashaswi | Boehm, Jesse | Haining, W. Nicholas | Cron, Kyle R. | Sivan, Ayelet | Aquino-Michaels, Keston | Gajewski, Thomas F. | Orecchioni, Marco | Bedognetti, Davide | Hendrickx, Wouter | Fuoco, Claudia | Spada, Filomena | Sgarrella, Francesco | Cesareni, Gianni | Marincola, Francesco | Kostarelos, Kostas | Bianco, Alberto | Delogu, Lucia | Hendrickx, Wouter | Roelands, Jessica | Boughorbel, Sabri | Decock, Julie | Presnell, Scott | Wang, Ena | Marincola, Franco M. | Kuppen, Peter | Ceccarelli, Michele | Rinchai, Darawan | Chaussabel, Damien | Miller, Lance | Bedognetti, Davide | Nguyen, Andrew | Sanborn, J. Zachary | Vaske, Charles | Rabizadeh, Shahrooz | Niazi, Kayvan | Benz, Steven | Patel, Shashank | Restifo, Nicholas | White, James | Angiuoli, Sam | Sausen, Mark | Jones, Sian | Sevdali, Maria | Simmons, John | Velculescu, Victor | Diaz, Luis | Zhang, Theresa | Sims, Jennifer S. | Barton, Sunjay M. | Gartrell, Robyn | Kadenhe-Chiweshe, Angela | Dela Cruz, Filemon | Turk, Andrew T. | Lu, Yan | Mazzeo, Christopher F. | Kung, Andrew L. | Bruce, Jeffrey N. | Saenger, Yvonne M. | Yamashiro, Darrell J. | Connolly, Eileen P. | Baird, Jason | Crittenden, Marka | Friedman, David | Xiao, Hong | Leidner, Rom | Bell, Bryan | Young, Kristina | Gough, Michael | Bian, Zhen | Kidder, Koby | Liu, Yuan | Curran, Emily | Chen, Xiufen | Corrales, Leticia P. | Kline, Justin | Dunai, Cordelia | Aguilar, Ethan G. | Khuat, Lam T. | Murphy, William J. | Guerriero, Jennifer | Sotayo, Alaba | Ponichtera, Holly | Pourzia, Alexandra | Schad, Sara | Carrasco, Ruben | Lazo, Suzan | Bronson, Roderick | Letai, Anthony | Kornbluth, Richard S. | Gupta, Sachin | Termini, James | Guirado, Elizabeth | Stone, Geoffrey W. | Meyer, Christina | Helming, Laura | Tumang, Joseph | Wilson, Nicholas | Hofmeister, Robert | Radvanyi, Laszlo | Neubert, Natalie J. | Tillé, Laure | Barras, David | Soneson, Charlotte | Baumgaertner, Petra | Rimoldi, Donata | Gfeller, David | Delorenzi, Mauro | Fuertes Marraco, Silvia A. | Speiser, Daniel E. | Abraham, Tara S. | Xiang, Bo | Magee, Michael S. | Waldman, Scott A. | Snook, Adam E. | Blogowski, Wojciech | Zuba-Surma, Ewa | Budkowska, Marta | Salata, Daria | Dolegowska, Barbara | Starzynska, Teresa | Chan, Leo | Somanchi, Srinivas | McCulley, Kelsey | Lee, Dean | Buettner, Nico | Shi, Feng | Myers, Paisley T. | Curbishley, Stuart | Penny, Sarah A. | Steadman, Lora | Millar, David | Speers, Ellen | Ruth, Nicola | Wong, Gabriel | Thimme, Robert | Adams, David | Cobbold, Mark | Thomas, Remy | Hendrickx, Wouter | Al-Muftah, Mariam | Decock, Julie | Wong, Michael KK | Morse, Michael | McDermott, David F. | Clark, Joseph I. | Kaufman, Howard L. | Daniels, Gregory A. | Hua, Hong | Rao, Tharak | Dutcher, Janice P. | Kang, Kai | Saunthararajah, Yogen | Velcheti, Vamsidhar | Kumar, Vikas | Anwar, Firoz | Verma, Amita | Chheda, Zinal | Kohanbash, Gary | Sidney, John | Okada, Kaori | Shrivastav, Shruti | Carrera, Diego A. | Liu, Shuming | Jahan, Naznin | Mueller, Sabine | Pollack, Ian F. | Carcaboso, Angel M. | Sette, Alessandro | Hou, Yafei | Okada, Hideho | Field, Jessica J. | Zeng, Weiping | Shih, Vincent FS | Law, Che-Leung | Senter, Peter D. | Gardai, Shyra J. | Okeley, Nicole M. | Penny, Sarah A. | Abelin, Jennifer G. | Saeed, Abu Z. | Malaker, Stacy A. | Myers, Paisley T. | Shabanowitz, Jeffrey | Ward, Stephen T. | Hunt, Donald F. | Cobbold, Mark | Profusek, Pam | Wood, Laura | Shepard, Dale | Grivas, Petros | Kapp, Kerstin | Volz, Barbara | Oswald, Detlef | Wittig, Burghardt | Schmidt, Manuel | Sefrin, Julian P. | Hillringhaus, Lars | Lifke, Valeria | Lifke, Alexander | Skaletskaya, Anna | Ponte, Jose | Chittenden, Thomas | Setiady, Yulius | Valsesia-Wittmann, Sandrine | Sivado, Eva | Thomas, Vincent | El Alaoui, Meddy | Papot, Sébastien | Dumontet, Charles | Dyson, Mike | McCafferty, John | El Alaoui, Said | Verma, Amita | Kumar, Vikas | Bommareddy, Praveen K. | Kaufman, Howard L. | Zloza, Andrew | Kohlhapp, Frederick | Silk, Ann W. | Jhawar, Sachin | Paneque, Tomas | Bommareddy, Praveen K. | Kohlhapp, Frederick | Newman, Jenna | Beltran, Pedro | Zloza, Andrew | Kaufman, Howard L. | Cao, Felicia | Hong, Bang-Xing | Rodriguez-Cruz, Tania | Song, Xiao-Tong | Gottschalk, Stephen | Calderon, Hugo | Illingworth, Sam | Brown, Alice | Fisher, Kerry | Seymour, Len | Champion, Brian | Eriksson, Emma | Wenthe, Jessica | Hellström, Ann-Charlotte | Paul-Wetterberg, Gabriella | Loskog, Angelica | Eriksson, Emma | Milenova, Ioanna | Wenthe, Jessica | Ståhle, Magnus | Jarblad-Leja, Justyna | Ullenhag, Gustav | Dimberg, Anna | Moreno, Rafael | Alemany, Ramon | Loskog, Angelica | Eriksson, Emma | Milenova, Ioanna | Moreno, Rafael | Alemany, Ramon
Journal for Immunotherapy of Cancer  2016;4(Suppl 1):107-221.
doi:10.1186/s40425-016-0173-6
PMCID: PMC5123381
2.  Curcumin blocks autophagy and activates apoptosis of malignant mesothelioma cell lines and increases the survival of mice intraperitoneally transplanted with a malignant mesothelioma cell line 
Oncotarget  2017;8(21):34405-34422.
Malignant mesothelioma (MM) is a primary tumor arising from the serous membranes. The resistance of MM patients to conventional therapies, and the poor patients’ survival, encouraged the identification of molecular targets for MM treatment. Curcumin (CUR) is a “multifunctional drug”. We explored the in vitro effects of CUR on cell proliferation, cell cycle regulation, pro-survival signaling pathways, apoptosis, autophagy of human (MM-B1, H-Meso-1, MM-F1), and mouse (#40a) MM cells. In addition, we evaluated the in vivo anti-tumor activities of CUR in C57BL/6 mice intraperitoneally transplanted with #40a cells forming ascites.
CUR in vitro inhibited MM cells survival in a dose- and time-dependent manner and increased reactive oxygen species’intracellular production and induced DNA damage. CUR triggered autophagic flux, but the process was then blocked and was coincident with caspase 8 activation which activates apoptosis. CUR-mediated apoptosis was supported by the increase of Bax/Bcl-2 ratio, increase of p53 expression, activation of caspase 9, cleavage of PARP-1, increase of the percentage of cells in the sub G1 phase which was reduced (MM-F1 and #40a) or abolished (MM-B1 and H-Meso-1) after MM cells incubation with the apoptosis inhibitor Z-VAD-FMK. CUR treatment stimulated the phosphorylation of ERK1/2 and p38 MAPK, inhibited that of p54 JNK and AKT, increased c-Jun expression and phosphorylation and prevented NF-κB nuclear translocation. Intraperitoneal administration of CUR increased the median survival of C57BL/6 mice intraperitoneally transplanted with #40a cells and reduced the risk of developing tumors. Our findings may have important implications for the design of MM treatment using CUR.
doi:10.18632/oncotarget.14907
PMCID: PMC5470978  PMID: 28159921
curcumin; malignant mesothelioma; apoptosis; autophagy; proliferation
3.  Smad7 knockdown activates protein kinase RNA-associated eIF2α pathway leading to colon cancer cell death 
Cell Death & Disease  2017;8(3):e2681-.
Upregulation of Smad7, an inhibitor of transforming growth factor-β1 (TGF-β1), occurs in sporadic colorectal cancer (CRC) and knockdown of Smad7 inhibits CRC cell growth, a phenomenon that associates with decreased expression of cell division cycle 25 homolog A and arrest of cells in the S phase of the cell cycle. These findings occur in CRC cells unresponsive to TGF-β1, thus suggesting the existence of a Smad7-mediated TGF-β1-independent mechanism that controls CRC cell behavior. Here we show that Smad7 inhibition with a specific Smad7 antisense oligonucleotide upregulates eukaryotic translation initiation factor 2α (eIF2α) phosphorylation, a transcription factor involved in the regulation of cell cycle arrest and induction of cell death, and induces activating transcription factor 4 (ATF4) and CCAAT/enhancer binding protein homology protein (CHOP), two downstream targets of eIF2α. Among the upstream kinases that control eIF2α phosphorylation, the serine–threonine protein kinase RNA (PKR), but not general control non-derepressible 2 (GCN2) and protein kinase RNA-like endoplasmic reticulum kinase (PERK), is activated by Smad7 knockdown. PKR silencing abolishes Smad7 antisense-induced eIF2α phosphorylation and ATF4/CHOP induction, thereby preventing Smad7 antisense-driven cell death. Smad7 inhibition diminishes interaction of PKR with protein kinase inhibitor p58 (p58IPK), a cellular inhibitor of PKR, but does not change the expression and/or activity of other factors involved in the control of PKR activation. These findings delineate a novel mechanism by which Smad7 knockdown promotes CRC cell death.
doi:10.1038/cddis.2017.103
PMCID: PMC5386514  PMID: 28300830
4.  Analyses of the peripheral immunome following multiple administrations of avelumab, a human IgG1 anti-PD-L1 monoclonal antibody 
Background
Multiple anti-PD-L1/PD-1 checkpoint monoclonal antibodies (MAb) have shown clear evidence of clinical benefit. All except one have been designed or engineered to omit the possibility to mediate antibody-dependent cell-mediated cytotoxicity (ADCC) as a second potential mode of anti-tumor activity; the reason for this is the concern of lysis of PD-L1 positive immune cells. Avelumab is a fully human IgG1 MAb which has been shown in prior in vitro studies to mediate ADCC versus a range of human tumor cells, and clinical studies have demonstrated anti-tumor activity versus a range of human cancers. This study was designed to investigate the effect on immune cell subsets in the peripheral blood of cancer patients prior to and following multiple administrations of avelumab.
Methods
One hundred twenty-three distinct immune cell subsets in the peripheral blood of cancer patients (n = 28) in a phase I trial were analyzed by flow cytometry prior to and following one, three, and nine cycles of avelumab. Changes in soluble (s) CD27 and sCD40L in plasma were also evaluated. In vitro studies were also performed to determine if avelumab would mediate ADCC of PBMC.
Results
No statistically significant changes in any of the 123 immune cell subsets analyzed were observed at any dose level, or number of doses, of avelumab. Increases in the ratio of sCD27:sCD40L were observed, suggesting potential immune activation. Controlled in vitro studies also showed lysis of tumor cells by avelumab versus no lysis of PBMC from five donors.
Conclusions
These studies demonstrate the lack of any significant effect on multiple immune cell subsets, even those expressing PD-L1, following multiple cycles of avelumab. These results complement prior studies showing anti-tumor effects of avelumab and comparable levels of adverse events with avelumab versus other anti-PD-1/PD-L1 MAbs. These studies provide the rationale to further exploit the potential ADCC mechanism of action of avelumab as well as other human IgG1 checkpoint inhibitors.
Trial registration
ClinicalTrials.gov identifier: NCT01772004 (first received: 1/14/13; start date: January 2013) and NCT00001846 (first received date: 11/3/99; start date: August 1999).
Electronic supplementary material
The online version of this article (doi:10.1186/s40425-017-0220-y) contains supplementary material, which is available to authorized users.
doi:10.1186/s40425-017-0220-y
PMCID: PMC5320726
Avelumab; Anti-PD-L1; Checkpoint inhibitor; Immunotherapy; Peripheral immunome; Immune subsets; ADCC; Antibody-dependent cell-mediated cytotoxicity
5.  An NK cell line (haNK) expressing high levels of granzyme and engineered to express the high affinity CD16 allele 
Oncotarget  2016;7(52):86359-86373.
Natural killer (NK) cells are known to play a role in mediating innate immunity, in enhancing adaptive immune responses, and have been implicated in mediating anti-tumor responses via antibody-dependent cell-mediated cytotoxicity (ADCC) by reactivity of CD16 with the Fc region of human IgG1 antibodies. The NK-92 cell line, derived from a lymphoma patient, has previously been well characterized and adoptive transfer of irradiated NK-92 cells has demonstrated safety and shown preliminary evidence of clinical benefit in cancer patients. The NK-92 cell line, devoid of CD16, has now been engineered to express the high affinity (ha) CD16 V158 FcγRIIIa receptor, as well as engineered to express IL-2; IL-2 has been shown to replenish the granular stock of NK cells, leading to enhanced perforin- and granzyme-mediated lysis of tumor cells. The studies reported here show high levels of granzyme in haNK cells, and demonstrate the effects of irradiation of haNK cells on multiple phenotypic markers, viability, IL-2 production, and lysis of a spectrum of human tumor cells. Studies also compare endogenous irradiated haNK lysis of tumor cells with that of irradiated haNK-mediated ADCC using cetuximab, trastuzumab and pertuzumab monoclonal antibodies. These studies thus provide the rationale for the potential use of irradiated haNK cells in adoptive transfer studies for a range of human tumor types. Moreover, since only approximately 10% of humans are homozygous for the high affinity V CD16 allele, these studies also provide the rationale for the use of irradiated haNK cells in combination with IgG1 anti-tumor monoclonal antibodies.
doi:10.18632/oncotarget.13411
PMCID: PMC5341330  PMID: 27861156
ADCC; NK lysis; immunotherapy; high affinity CD16; cetuximab
6.  31st Annual Meeting and Associated Programs of the Society for Immunotherapy of Cancer (SITC 2016): part one 
Lundqvist, Andreas | van Hoef, Vincent | Zhang, Xiaonan | Wennerberg, Erik | Lorent, Julie | Witt, Kristina | Sanz, Laia Masvidal | Liang, Shuo | Murray, Shannon | Larsson, Ola | Kiessling, Rolf | Mao, Yumeng | Sidhom, John-William | Bessell, Catherine A. | Havel, Jonathan | Schneck, Jonathan | Chan, Timothy A. | Sachsenmeier, Eliot | Woods, David | Berglund, Anders | Ramakrishnan, Rupal | Sodre, Andressa | Weber, Jeffrey | Zappasodi, Roberta | Li, Yanyun | Qi, Jingjing | Wong, Philip | Sirard, Cynthia | Postow, Michael | Newman, Walter | Koon, Henry | Velcheti, Vamsidhar | Callahan, Margaret K. | Wolchok, Jedd D. | Merghoub, Taha | Lum, Lawrence G. | Choi, Minsig | Thakur, Archana | Deol, Abhinav | Dyson, Gregory | Shields, Anthony | Haymaker, Cara | Uemura, Marc | Murthy, Ravi | James, Marihella | Wang, Daqing | Brevard, Julie | Monaghan, Catherine | Swann, Suzanne | Geib, James | Cornfeld, Mark | Chunduru, Srinivas | Agrawal, Sudhir | Yee, Cassian | Wargo, Jennifer | Patel, Sapna P. | Amaria, Rodabe | Tawbi, Hussein | Glitza, Isabella | Woodman, Scott | Hwu, Wen-Jen | Davies, Michael A. | Hwu, Patrick | Overwijk, Willem W. | Bernatchez, Chantale | Diab, Adi | Massarelli, Erminia | Segal, Neil H. | Ribrag, Vincent | Melero, Ignacio | Gangadhar, Tara C. | Urba, Walter | Schadendorf, Dirk | Ferris, Robert L. | Houot, Roch | Morschhauser, Franck | Logan, Theodore | Luke, Jason J. | Sharfman, William | Barlesi, Fabrice | Ott, Patrick A. | Mansi, Laura | Kummar, Shivaani | Salles, Gilles | Carpio, Cecilia | Meier, Roland | Krishnan, Suba | McDonald, Dan | Maurer, Matthew | Gu, Xuemin | Neely, Jaclyn | Suryawanshi, Satyendra | Levy, Ronald | Khushalani, Nikhil | Wu, Jennifer | Zhang, Jinyu | Basher, Fahmin | Rubinstein, Mark | Bucsek, Mark | Qiao, Guanxi | MacDonald, Cameron | Hylander, Bonnie | Repasky, Elizabeth | Chatterjee, Shilpak | Daenthanasanmak, Anusara | Chakraborty, Paramita | Toth, Kyle | Meek, Megan | Garrett-Mayer, Elizabeth | Nishimura, Michael | Paulos, Chrystal | Beeson, Craig | Yu, Xuezhong | Mehrotra, Shikhar | Zhao, Fei | Evans, Kathy | Xiao, Christine | Holtzhausen, Alisha | Hanks, Brent A. | Scharping, Nicole | Menk, Ashley V. | Moreci, Rebecca | Whetstone, Ryan | Dadey, Rebekah | Watkins, Simon | Ferris, Robert | Delgoffe, Greg M. | Peled, Jonathan | Devlin, Sean | Staffas, Anna | Lumish, Melissa | Rodriguez, Kori Porosnicu | Ahr, Katya | Perales, Miguel | Giralt, Sergio | Taur, Ying | Pamer, Eric | van den Brink, Marcel R. M. | Jenq, Robert | Annels, Nicola | Pandha, Hardev | Simpson, Guy | Mostafid, Hugh | Harrington, Kevin | Melcher, Alan | Grose, Mark | Davies, Bronwyn | Au, Gough | Karpathy, Roberta | Shafren, Darren | Ricca, Jacob | Merghoub, Taha | Wolchok, Jedd D. | Zamarin, Dmitriy | Batista, Luciana | Marliot, Florence | Vasaturo, Angela | Carpentier, Sabrina | Poggionovo, Cécile | Frayssinet, Véronique | Fieschi, Jacques | Van den Eynde, Marc | Pagès, Franck | Galon, Jérôme | Hermitte, Fabienne | Smith, Sean G. | Nguyen, Khue | Ravindranathan, Sruthi | Koppolu, Bhanu | Zaharoff, David | Schvartsman, Gustavo | Bassett, Roland | McQuade, Jennifer L. | Haydu, Lauren E. | Davies, Michael A. | Tawbi, Hussein | Glitza, Isabella | Kline, Douglas | Chen, Xiufen | Fosco, Dominick | Kline, Justin | Overacre, Abigail | Chikina, Maria | Brunazzi, Erin | Shayan, Gulidanna | Horne, William | Kolls, Jay | Ferris, Robert L. | Delgoffe, Greg M. | Bruno, Tullia C. | Workman, Creg | Vignali, Dario | Adusumilli, Prasad S. | Ansa-Addo, Ephraim A | Li, Zihai | Gerry, Andrew | Sanderson, Joseph P. | Howe, Karen | Docta, Roslin | Gao, Qian | Bagg, Eleanor A. L. | Tribble, Nicholas | Maroto, Miguel | Betts, Gareth | Bath, Natalie | Melchiori, Luca | Lowther, Daniel E. | Ramachandran, Indu | Kari, Gabor | Basu, Samik | Binder-Scholl, Gwendolyn | Chagin, Karen | Pandite, Lini | Holdich, Tom | Amado, Rafael | Zhang, Hua | Glod, John | Bernstein, Donna | Jakobsen, Bent | Mackall, Crystal | Wong, Ryan | Silk, Jonathan D. | Adams, Katherine | Hamilton, Garth | Bennett, Alan D. | Brett, Sara | Jing, Junping | Quattrini, Adriano | Saini, Manoj | Wiedermann, Guy | Gerry, Andrew | Jakobsen, Bent | Binder-Scholl, Gwendolyn | Brewer, Joanna | Duong, MyLinh | Lu, An | Chang, Peter | Mahendravada, Aruna | Shinners, Nicholas | Slawin, Kevin | Spencer, David M. | Foster, Aaron E. | Bayle, J. 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Eric | Fry, Terry | Rao, Arjun A. | Teyssier, Noam | Pfeil, Jacob | Sgourakis, Nikolaos | Salama, Sofie | Haussler, David | Richman, Sarah A. | Nunez-Cruz, Selene | Gershenson, Zack | Mourelatos, Zissimos | Barrett, David | Grupp, Stephan | Milone, Michael | Rodriguez-Garcia, Alba | Robinson, Matthew K. | Adams, Gregory P. | Powell, Daniel J. | Santos, João | Havunen, Riikka | Siurala, Mikko | Cervera-Carrascón, Víctor | Parviainen, Suvi | Antilla, Marjukka | Hemminki, Akseli | Sethuraman, Jyothi | Santiago, Laurelis | Chen, Jie Qing | Dai, Zhimin | Wardell, Seth | Bender, James | Lotze, Michael T. | Sha, Huizi | Su, Shu | Ding, Naiqing | Liu, Baorui | Stevanovic, Sanja | Pasetto, Anna | Helman, Sarah R. | Gartner, Jared J. | Prickett, Todd D. | Robbins, Paul F. | Rosenberg, Steven A. | Hinrichs, Christian S. | Bhatia, Shailender | Burgess, Melissa | Zhang, Hui | Lee, Tien | Klingemann, Hans | Soon-Shiong, Patrick | Nghiem, Paul | Kirkwood, John M. | Rossi, John M. | Sherman, Marika | Xue, Allen | Shen, Yueh-wei | Navale, Lynn | Rosenberg, Steven A. | Kochenderfer, James N. | Bot, Adrian | Veerapathran, Anandaraman | Gokuldass, Aishwarya | Stramer, Amanda | Sethuraman, Jyothi | Blaskovich, Michelle A. | Wiener, Doris | Frank, Ian | Santiago, Laurelis | Rabinovich, Brian | Fardis, Maria | Bender, James | Lotze, Michael T. | Waller, Edmund K. | Li, Jian-Ming | Petersen, Christopher | Blazar, Bruce R. | Li, Jingxia | Giver, Cynthia R. | Wang, Ziming | Grossenbacher, Steven K. | Sturgill, Ian | Canter, Robert J. | Murphy, William J. | Zhang, Congcong | Burger, Michael C. | Jennewein, Lukas | Waldmann, Anja | Mittelbronn, Michel | Tonn, Torsten | Steinbach, Joachim P. | Wels, Winfried S. | Williams, Jason B. | Zha, Yuanyuan | Gajewski, Thomas F. | Williams, LaTerrica C. | Krenciute, Giedre | Kalra, Mamta | Louis, Chrystal | Gottschalk, Stephen | Xin, Gang | Schauder, David | Jiang, Aimin | Joshi, Nikhil | Cui, Weiguo | Zeng, Xue | Menk, Ashley V. | Scharping, Nicole | Delgoffe, Greg M. | Zhao, Zeguo | Hamieh, Mohamad | Eyquem, Justin | Gunset, Gertrude | Bander, Neil | Sadelain, Michel | Askmyr, David | Abolhalaj, Milad | Lundberg, Kristina | Greiff, Lennart | Lindstedt, Malin | Angell, Helen K. | Kim, Kyoung-Mee | Kim, Seung-Tae | Kim, Sung | Sharpe, Alan D. | Ogden, Julia | Davenport, Anna | Hodgson, Darren R. | Barrett, Carl | Lee, Jeeyun | Kilgour, Elaine | Hanson, Jodi | Caspell, Richard | Karulin, Alexey | Lehmann, Paul | Ansari, Tameem | Schiller, Annemarie | Sundararaman, Srividya | Lehmann, Paul | Hanson, Jodi | Roen, Diana | Karulin, Alexey | Lehmann, Paul | Ayers, Mark | Levitan, Diane | Arreaza, Gladys | Liu, Fang | Mogg, Robin | Bang, Yung-Jue | O’Neil, Bert | Cristescu, Razvan | Friedlander, Philip | Wassman, Karl | Kyi, Chrisann | Oh, William | Bhardwaj, Nina | Bornschlegl, Svetlana | Gustafson, Michael P. | Gastineau, Dennis A. | Parney, Ian F. | Dietz, Allan B. | Carvajal-Hausdorf, Daniel | Mani, Nikita | Velcheti, Vamsidhar | Schalper, Kurt | Rimm, David | Chang, Serena | Levy, Ronald | Kurland, John | Krishnan, Suba | Ahlers, Christoph Matthias | Jure-Kunkel, Maria | Cohen, Lewis | Maecker, Holden | Kohrt, Holbrook | Chen, Shuming | Crabill, George | Pritchard, Theresa | McMiller, Tracee | Pardoll, Drew | Pan, Fan | Topalian, Suzanne | Danaher, Patrick | Warren, Sarah | Dennis, Lucas | White, Andrew M. | D’Amico, Leonard | Geller, Melissa | Disis, Mary L. | Beechem, Joseph | Odunsi, Kunle | Fling, Steven | Derakhshandeh, Roshanak | Webb, Tonya J. | Dubois, Sigrid | Conlon, Kevin | Bryant, Bonita | Hsu, Jennifer | Beltran, Nancy | Müller, Jürgen | Waldmann, Thomas | Duhen, Rebekka | Duhen, Thomas | Thompson, Lucas | Montler, Ryan | Weinberg, Andrew | Kates, Max | Early, Brandon | Yusko, Erik | Schreiber, Taylor H. | Bivalacqua, Trinity J. | Ayers, Mark | Lunceford, Jared | Nebozhyn, Michael | Murphy, Erin | Loboda, Andrey | Kaufman, David R. | Albright, Andrew | Cheng, Jonathan | Kang, S. Peter | Shankaran, Veena | Piha-Paul, Sarina A. | Yearley, Jennifer | Seiwert, Tanguy | Ribas, Antoni | McClanahan, Terrill K. | Cristescu, Razvan | Mogg, Robin | Ayers, Mark | Albright, Andrew | Murphy, Erin | Yearley, Jennifer | Sher, Xinwei | Liu, Xiao Qiao | Nebozhyn, Michael | Lunceford, Jared | Joe, Andrew | Cheng, Jonathan | Plimack, Elizabeth | Ott, Patrick A. | McClanahan, Terrill K. | Loboda, Andrey | Kaufman, David R. | Forrest-Hay, Alex | Guyre, Cheryl A. | Narumiya, Kohei | Delcommenne, Marc | Hirsch, Heather A. | Deshpande, Amit | Reeves, Jason | Shu, Jenny | Zi, Tong | Michaelson, Jennifer | Law, Debbie | Trehu, Elizabeth | Sathyanaryanan, Sriram | Hodkinson, Brendan P. | Hutnick, Natalie A. | Schaffer, Michael E. | Gormley, Michael | Hulett, Tyler | Jensen, Shawn | Ballesteros-Merino, Carmen | Dubay, Christopher | Afentoulis, Michael | Reddy, Ashok | David, Larry | Fox, Bernard | Jayant, Kumar | Agrawal, Swati | Agrawal, Rajendra | Jeyakumar, Ghayathri | Kim, Seongho | Kim, Heejin | Silski, Cynthia | Suisham, Stacey | Heath, Elisabeth | Vaishampayan, Ulka | Vandeven, Natalie | Viller, Natasja Nielsen | O’Connor, Alison | Chen, Hui | Bossen, Bolette | Sievers, Eric | Uger, Robert | Nghiem, Paul | Johnson, Lisa | Kao, Hsiang-Fong | Hsiao, Chin-Fu | Lai, Shu-Chuan | Wang, Chun-Wei | Ko, Jenq-Yuh | Lou, Pei-Jen | Lee, Tsai-Jan | Liu, Tsang-Wu | Hong, Ruey-Long | Kearney, Staci J. | Black, Joshua C. | Landis, Benjamin J. | Koegler, Sally | Hirsch, Brooke | Gianani, Roberto | Kim, Jeffrey | He, Ming-Xiao | Zhang, Bingqing | Su, Nan | Luo, Yuling | Ma, Xiao-Jun | Park, Emily | Kim, Dae Won | Copploa, Domenico | Kothari, Nishi | doo Chang, Young | Kim, Richard | Kim, Namyong | Lye, Melvin | Wan, Ee | Kim, Namyong | Lye, Melvin | Wan, Ee | Kim, Namyong | Lye, Melvin | Wan, Ee | Knaus, Hanna A. | Berglund, Sofia | Hackl, Hubert | Karp, Judith E. | Gojo, Ivana | Luznik, Leo | Hong, Henoch S. | Koch, Sven D. | Scheel, Birgit | Gnad-Vogt, Ulrike | Kallen, Karl-Josef | Wiegand, Volker | Backert, Linus | Kohlbacher, Oliver | Hoerr, Ingmar | Fotin-Mleczek, Mariola | Billingsley, James M. | Koguchi, Yoshinobu | Conrad, Valerie | Miller, William | Gonzalez, Iliana | Poplonski, Tomasz | Meeuwsen, Tanisha | Howells-Ferreira, Ana | Rattray, Rogan | Campbell, Mary | Bifulco, Carlo | Dubay, Christopher | Bahjat, Keith | Curti, Brendan | Urba, Walter | Vetsika, E-K | Kallergi, G. | Aggouraki, Despoina | Lyristi, Z. | Katsarlinos, P. | Koinis, Filippos | Georgoulias, V. | Kotsakis, Athanasios | Martin, Nathan T. | Aeffner, Famke | Kearney, Staci J. | Black, Joshua C. | Cerkovnik, Logan | Pratte, Luke | Kim, Rebecca | Hirsch, Brooke | Krueger, Joseph | Gianani, Roberto | Martínez-Usatorre, Amaia | Jandus, Camilla | Donda, Alena | Carretero-Iglesia, Laura | Speiser, Daniel E. | Zehn, Dietmar | Rufer, Nathalie | Romero, Pedro | Panda, Anshuman | Mehnert, Janice | Hirshfield, Kim M. | Riedlinger, Greg | Damare, Sherri | Saunders, Tracie | Sokol, Levi | Stein, Mark | Poplin, Elizabeth | Rodriguez-Rodriguez, Lorna | Silk, Ann | Chan, Nancy | Frankel, Melissa | Kane, Michael | Malhotra, Jyoti | Aisner, Joseph | Kaufman, Howard L. | Ali, Siraj | Ross, Jeffrey | White, Eileen | Bhanot, Gyan | Ganesan, Shridar | Monette, Anne | Bergeron, Derek | Amor, Amira Ben | Meunier, Liliane | Caron, Christine | Morou, Antigoni | Kaufmann, Daniel | Liberman, Moishe | Jurisica, Igor | Mes-Masson, Anne-Marie | Hamzaoui, Kamel | Lapointe, Rejean | Mongan, Ann | Ku, Yuan-Chieh | Tom, Warren | Sun, Yongming | Pankov, Alex | Looney, Tim | Au-Young, Janice | Hyland, Fiona | Conroy, Jeff | Morrison, Carl | Glenn, Sean | Burgher, Blake | Ji, He | Gardner, Mark | Mongan, Ann | Omilian, Angela R. | Conroy, Jeff | Bshara, Wiam | Angela, Omilian | Burgher, Blake | Ji, He | Glenn, Sean | Morrison, Carl | Mongan, Ann | Obeid, Joseph M. | Erdag, Gulsun | Smolkin, Mark E. | Deacon, Donna H. | Patterson, James W. | Chen, Lieping | Bullock, Timothy N. | Slingluff, Craig L. | Obeid, Joseph M. | Erdag, Gulsun | Deacon, Donna H. | Slingluff, Craig L. | Bullock, Timothy N. | Loffredo, John T. | Vuyyuru, Raja | Beyer, Sophie | Spires, Vanessa M. | Fox, Maxine | Ehrmann, Jon M. | Taylor, Katrina A. | Korman, Alan J. | Graziano, Robert F. | Page, David | Sanchez, Katherine | Ballesteros-Merino, Carmen | Martel, Maritza | Bifulco, Carlo | Urba, Walter | Fox, Bernard | Patel, Sapna P. | De Macedo, Mariana Petaccia | Qin, Yong | Reuben, Alex | Spencer, Christine | Guindani, Michele | Bassett, Roland | Wargo, Jennifer | Racolta, Adriana | Kelly, Brian | Jones, Tobin | Polaske, Nathan | Theiss, Noah | Robida, Mark | Meridew, Jeffrey | Habensus, Iva | Zhang, Liping | Pestic-Dragovich, Lidija | Tang, Lei | Sullivan, Ryan J. | Logan, Theodore | Khushalani, Nikhil | Margolin, Kim | Koon, Henry | Olencki, Thomas | Hutson, Thomas | Curti, Brendan | Roder, Joanna | Blackmon, Shauna | Roder, Heinrich | Stewart, John | Amin, Asim | Ernstoff, Marc S. | Clark, Joseph I. | Atkins, Michael B. | Kaufman, Howard L. | Sosman, Jeffrey | Weber, Jeffrey | McDermott, David F. | Weber, Jeffrey | Kluger, Harriet | Halaban, Ruth | Snzol, Mario | Roder, Heinrich | Roder, Joanna | Asmellash, Senait | Steingrimsson, Arni | Blackmon, Shauna | Sullivan, Ryan J. | Wang, Chichung | Roman, Kristin | Clement, Amanda | Downing, Sean | Hoyt, Clifford | Harder, Nathalie | Schmidt, Guenter | Schoenmeyer, Ralf | Brieu, Nicolas | Yigitsoy, Mehmet | Madonna, Gabriele | Botti, Gerardo | Grimaldi, Antonio | Ascierto, Paolo A. | Huss, Ralf | Athelogou, Maria | Hessel, Harald | Harder, Nathalie | Buchner, Alexander | Schmidt, Guenter | Stief, Christian | Huss, Ralf | Binnig, Gerd | Kirchner, Thomas | Sellappan, Shankar | Thyparambil, Sheeno | Schwartz, Sarit | Cecchi, Fabiola | Nguyen, Andrew | Vaske, Charles | Hembrough, Todd
Journal for Immunotherapy of Cancer  2016;4(Suppl 1):1-106.
doi:10.1186/s40425-016-0172-7
PMCID: PMC5123387
7.  Antibody-dependent cellular cytotoxicity (ADCC) activity of a novel anti-PD-L1 antibody avelumab (MSB0010718C) on human tumor cells 
Cancer immunology research  2015;3(10):1148-1157.
Several anti-PD1/PD-L1 monoclonal antibodies (MAb) are currently providing evidence of clinical benefit in subsets of cancer patients. The mode of action of these MAbs is to inhibit PD1 on immune cells interacting with PD-L1 on tumor cells. These MAbs are either designed or engineered to eliminate antibody-dependent cell-mediated cytotoxicity (ADCC), which, however, has been implicated as an important mechanism in several highly effective MAb-mediated cancer therapies. A fully human anti-PD-L1 MAb would potentially be able to block PD-L1/PD1 interactions and also mediate the ADCC lysis of tumor cells. MSB0010718C (designated avelumab) is a fully human IgG1 anti-PD-L1 MAb. The studies reported here demonstrate (a) the ability of avelumab to lyse a range of human tumor cells in the presence of PBMC or NK effectors; (b) IFNγ can enhance tumor cell PD-L1 expression and in some cases enhance ADCC tumor cell lysis; (c) purified NK cells are potent effectors for avelumab; (d) similar levels of avelumab-mediated ADCC lysis of tumor cells are seen using purified NK as effectors from either healthy donors or cancer patients; (e) very low levels of avelumab-mediated lysis are seen using whole PBMCs as targets; this finding complements results seen in analyses of PBMC subsets of patients receiving avelumab; and (f) the addition of IL12 to NK cells greatly enhances avelumab-mediated ADCC. These studies thus provide an additional mode of action for an anti-PD-L1 MAb and support the rationale for further studies to enhance avelumab-mediated ADCC activity.
doi:10.1158/2326-6066.CIR-15-0059
PMCID: PMC4739754  PMID: 26014098
checkpoint inhibitor; anti-PD-L1; antibody-dependent cellular cytotoxicity
8.  The IDO1 selective inhibitor epacadostat enhances dendritic cell immunogenicity and lytic ability of tumor antigen-specific T cells 
Oncotarget  2016;7(25):37762-37772.
Epacadostat is a novel inhibitor of indoleamine-2,3-dioxygenase-1 (IDO1) that suppresses systemic tryptophan catabolism and is currently being evaluated in ongoing clinical trials. We investigated the effects of epacadostat on (a) human dendritic cells (DCs) with respect to maturation and ability to activate human tumor antigen-specific cytotoxic T-cell (CTL) lines, and subsequent T-cell lysis of tumor cells, (b) human regulatory T cells (Tregs), and (c) human peripheral blood mononuclear cells (PBMCs) in vitro. Simultaneous treatment with epacadostat and IFN-γ plus lipopolysaccharide (LPS) did not change the phenotype of matured human DCs, and as expected decreased the tryptophan breakdown and kynurenine production. Peptide-specific T-cell lines stimulated with DCs pulsed with peptide produced significantly more IFN-γ, TNFα, GM-CSF and IL-8 if the DCs were treated with epacadostat. These T cells also displayed higher levels of tumor cell lysis on a per cell basis. Epacadostat also significantly decreased Treg proliferation induced by IDO production from IFN-γ plus LPS matured human DCs, although the Treg phenotype did not change. Multicolor flow cytometry was performed on human PBMCs treated with epacadostat; analysis of 123 discrete immune cell subsets revealed no changes in major immune cell types, an increase in activated CD83+ conventional DCs, and a decrease in immature activated Tim3+ NK cells. These studies show for the first time several effects of epacadostat on human DCs, and subsequent effects on CTL and Tregs, and provide a rationale as to how epacadostat could potentially increase the efficacy of immunotherapeutics, including cancer vaccines.
doi:10.18632/oncotarget.9326
PMCID: PMC5122347  PMID: 27192116
IDO inhibitor; dendritic cells; T cells; indoleamine-2; 3-dioxygenase (IDO); Tregs
9.  Potassium increases the antitumor effects of ascorbic acid in breast cancer cell lines in vitro 
Oncology Letters  2016;11(6):4224-4234.
Ascorbic acid (A) has been demonstrated to exhibit anti-cancer activity in association with chemotherapeutic agents. Potassium (K) is a regulator of cellular proliferation. In the present study, the biological effects of A and K bicarbonate, alone or in combination (A+K), on breast cancer cell lines were evaluated. The survival of cancer cells was determined by sulforhodamine B cell proliferation assay, while analysis of the cell cycle distribution was conducted via fluorescence-activated cell sorting. In addition, the expression of signaling proteins was analyzed upon treatment. The results indicated that there was a heterogeneous response of the different cell lines to A and K, and the best effects were achieved by A+K and A treatment. The interaction between A+K indicated an additive or synergistic effect. In addition, A+K increased the percentage of cells in the sub-G1 phase of the cell cycle, and was the most effective treatment in activating the degradation of poly(adenosine diphosphate-ribose) polymerase-1. In the breast cancer cell line MCF-7, A+K induced the appearance of the 18 kDa isoform of B-cell lymphoma-2-associated X protein (Bax), which is a more potent inducer of apoptosis than the full-length Bax-p21. The effects of A and K on the phosphorylation of extracellular signal-regulated kinase (ERK)1 and ERK2 were heterogeneous. In addition, treatment with K, A and A+K inhibited the expression of nuclear factor-κB. Overall, the results of the present study indicated that K potentiated the anti-tumoral effects of A in breast cancer cells in vitro.
doi:10.3892/ol.2016.4506
PMCID: PMC4888082  PMID: 27313770
ascorbic acid; potassium; breast cancer; apoptosis
10.  In vitro and in vivo inhibition of breast cancer cell growth by targeting the Hedgehog/GLI pathway with SMO (GDC-0449) or GLI (GANT-61) inhibitors 
Oncotarget  2016;7(8):9250-9270.
Aberrant Hedgehog (Hh)/glioma-associated oncogene (GLI) signaling has been implicated in cancer progression. Here, we analyzed GLI1, Sonic Hedgehog (Shh) and NF-κB expression in 51 breast cancer (ductal carcinoma) tissues using immunohistochemistry. We found a positive correlation between nuclear GLI1 expression and tumor grade in ductal carcinoma cases. Cytoplasmic Shh staining significantly correlated with a lower tumor grade. Next, the in vitro effects of two Hh signaling pathway inhibitors on breast cancer cell lines were evaluated using the Smoothened (SMO) antagonist GDC-0449 and the direct GLI1 inhibitor GANT-61. GDC-0449 and GANT-61 exhibited the following effects: a) inhibited breast cancer cell survival; b) induced apoptosis; c) inhibited Hh pathway activity by decreasing the mRNA expression levels of GLI1 and Ptch and inhibiting the nuclear translocation of GLI1; d) increased/decreased EGFR and ErbB2 protein expression, reduced p21-Ras and ERK1/ERK2 MAPK activities and inhibited AKT activation; and e) decreased the nuclear translocation of NF-κB. However, GANT-61 exerted these effects more effectively than GDC-0449. The in vivo antitumor activities of GDC-0449 and GANT-61 were analyzed in BALB/c mice that were subcutaneously inoculated with mouse breast cancer (TUBO) cells. GDC-0449 and GANT-61 suppressed tumor growth of TUBO cells in BALB/c mice to different extents. These findings suggest that targeting the Hh pathway using antagonists that act downstream of SMO is a more efficient strategy than using antagonists that act upstream of SMO for interrupting Hh signaling in breast cancer.
doi:10.18632/oncotarget.7062
PMCID: PMC4891038  PMID: 26843616
breast cancer; Hedgehog/GLI pathway; inhibitors; tumor growth; tumor model
13.  The generation and analyses of a novel combination of recombinant adenovirus vaccines targeting three tumor antigens as an immunotherapeutic 
Oncotarget  2015;6(31):31344-31359.
Phenotypic heterogeneity of human carcinoma lesions, including heterogeneity in expression of tumor-associated antigens (TAAs), is a well-established phenomenon. Carcinoembryonic antigen (CEA), MUC1, and brachyury are diverse TAAs, each of which is expressed on a wide range of human tumors. We have previously reported on a novel adenovirus serotype 5 (Ad5) vector gene delivery platform (Ad5 [E1-, E2b-]) in which regions of the early 1 (E1), early 2 (E2b), and early 3 (E3) genes have been deleted. The unique deletions in this platform result in a dramatic decrease in late gene expression, leading to a marked reduction in host immune response to the vector. Ad5 [E1-, E2b-]-CEA vaccine (ETBX-011) has been employed in clinical studies as an active vaccine to induce immune responses to CEA in metastatic colorectal cancer patients. We report here the development of novel recombinant Ad5 [E1-, E2b-]-brachyury and-MUC1 vaccine constructs, each capable of activating antigen-specific human T cells in vitro and inducing antigen-specific CD4+ and CD8+ T cells in vaccinated mice. We also describe the use of a combination of the three vaccines (designated Tri-Ad5) of Ad5 [E1-, E2b-]-CEA, Ad5 [E1-, E2b-]-brachyury and Ad5 [E1-, E2b-]-MUC1, and demonstrate that there is minimal to no “antigenic competition” in in vitro studies of human dendritic cells, or in murine vaccination studies. The studies reported herein support the rationale for the application of Tri-Ad5 as a therapeutic modality to induce immune responses to a diverse range of human TAAs for potential clinical studies.
PMCID: PMC4741610  PMID: 26374823
cancer vaccines; adenovirus vaccines; tumor antigens; immunotherapy; brachyury
14.  In Vitro and in Vivo Antitumoral Effects of Combinations of Polyphenols, or Polyphenols and Anticancer Drugs: Perspectives on Cancer Treatment 
Carcinogenesis is a multistep process triggered by genetic alterations that activate different signal transduction pathways and cause the progressive transformation of a normal cell into a cancer cell. Polyphenols, compounds ubiquitously expressed in plants, have anti-inflammatory, antimicrobial, antiviral, anticancer, and immunomodulatory properties, all of which are beneficial to human health. Due to their ability to modulate the activity of multiple targets involved in carcinogenesis through direct interaction or modulation of gene expression, polyphenols can be employed to inhibit the growth of cancer cells. However, the main problem related to the use of polyphenols as anticancer agents is their poor bioavailability, which might hinder the in vivo effects of the single compound. In fact, polyphenols have a poor absorption and biodistribution, but also a fast metabolism and excretion in the human body. The poor bioavailability of a polyphenol will affect the effective dose delivered to cancer cells. One way to counteract this drawback could be combination treatment with different polyphenols or with polyphenols and other anti-cancer drugs, which can lead to more effective antitumor effects than treatment using only one of the compounds. This report reviews current knowledge on the anticancer effects of combinations of polyphenols or polyphenols and anticancer drugs, with a focus on their ability to modulate multiple signaling transduction pathways involved in cancer.
doi:10.3390/ijms16059236
PMCID: PMC4463587  PMID: 25918934
polyphenols; bioavailability; carcinogenesis; anticancer drugs; nanotechnology
15.  Interleukin-21 sustains inflammatory signals that contribute to sporadic colon tumorigenesis 
Oncotarget  2015;6(12):9908-9923.
Interleukin (IL)-21 triggers inflammatory signals that contribute to the growth of neoplastic cells in mouse models of colitis-associated colorectal cancer (CRC). Because most CRCs are sporadic and arise in the absence of overt inflammation we have investigated the role of IL-21 in these tumors in mouse and man. IL-21 was highly expressed in human sporadic CRC and produced mostly by IFN-γ-expressing T-bet/RORγt double-positive CD3+CD8− cells. Stimulation of human CRC cell lines with IL-21 did not directly activate the oncogenic transcription factors STAT3 and NF-kB and did not affect CRC cell proliferation and survival. In contrast, IL-21 modulated the production of protumorigenic factors by human tumor infiltrating T cells. IL-21 was upregulated in the neoplastic areas, as compared with non-tumor mucosa, of Apcmin/+ mice, and genetic ablation of IL-21 in such mice resulted in a marked decrease of both tumor incidence and size. IL-21 deficiency was associated with reduced STAT3/NF-kB activation in both immune cells and neoplastic cells, diminished synthesis of protumorigenic cytokines (that is, IL-17A, IL-22, TNF-α and IL-6), downregulation of COX-2/PGE2 pathway and decreased angiogenesis in the lesions of Apcmin/+ mice. Altogether, data suggest that IL-21 promotes a protumorigenic inflammatory circuit that ultimately sustains the development of sporadic CRC.
PMCID: PMC4496406  PMID: 25839161
Apcmin/+ mice; STAT3; COX-2/PGE2; VEGF
16.  Natural humoral immune response to ribosomal P0 protein in colorectal cancer patients 
Background
Tumor associated antigens are useful in colorectal cancer (CRC) management. The ribosomal P proteins (P0, P1, P2) play an important role in protein synthesis and tumor formation. The immunogenicity of the ribosomal P0 protein in head and neck, in breast and prostate cancer patients and the overexpression of the carboxyl-terminal P0 epitope (C-22 P0) in some tumors were reported.
Methods
Sera from 72 colorectal tumor patients (67 malignant and 5 benign tumors) were compared with 73 healthy donor sera for the presence of antibodies to CEA, EGFR, ErbB2 and ribosomal P proteins by western blotting or ELISA. Expression of the C-22 P0 epitope on tissues and colon cancer cells was determined by immunoperoxidase staining and indirect immunofluorescence/western blotting, respectively, employing MAb 2B2. Biological effects of MAb 2B2 on colon cancer cells were assessed by the Sulforhodamine B cell proliferation assay, trypan blue exclusion test and cleaved caspase-3 detection. Fisher’s exact test was used to compare the number of auto-antibodies positive patients with healthy donors. Variation in the C-22 P0 expression, and in the number of apoptotic cells was evaluated by Student’s t-test. Variation in cell survival and cell death was evaluated by Newman-Keuls test.
Results
No significant humoral response was observed to CEA, EGFR and ErbB2 in CRC patients. Conversely, 7 out of 67 CRC patient sera reacted to ribosomal P proteins. The prevalence of P proteins auto-antibodies in CRC patients was significant. Five patients showed restricted P0 immunoreactivity, while two patients reacted simultaneously to all P proteins. The C-22 P0 epitope was homogenously expressed both in malignant tumors and the adjacent mucosa, but the intensity of expression was higher in the tumor. Starved colon cancer cells showed a higher C-22 P0 epitope plasma membrane expression compared to control cells. MAb 2B2 inhibited colon cancer cell growth and induced cell death in a dose dependent manner.
Conclusions
Our study shows a spontaneous humoral immune response to ribosomal P0 protein in CRC patients and the inhibition of in vitro cancer cell growth after C-22 P0 epitope targeting. The ribosomal P0 protein might be a useful immunological target in CRC patients.
doi:10.1186/s12967-015-0455-7
PMCID: PMC4411786  PMID: 25889931
Ribosomal P proteins; Colon cancer; Immune response; Antibodies
17.  Resveratrol potentiates the in vitro and in vivo anti-tumoral effects of curcumin in head and neck carcinomas 
Oncotarget  2014;5(21):10745-10762.
The survival rate of head and neck squamous cell carcinomas (HNSCC) patients has not considerably changed over the last two decades. Polyphenols inhibit the growth of cancer cells. We determined whether the combination of Resveratrol (RES) and Curcumin (CUR) enhanced their in vitro and in vivo antitumor activities on HNSCC cell lines compared to the single compounds. We provide evidence that RES potentiated the apoptotic effect and reduced the IC50 of CUR on HNSCC cell lines. The model of compounds interaction indicated the onset of an additive effect of the two compounds compared to the single treatment after decrease of their concentrations. RES+CUR compared to CUR increased the PARP-1 cleavage, the Bax/Bcl-2 ratio, the inhibition of ERK1 and ERK2 phosphorylation, and the expression of LC3 II simultaneously with the formation of autophagic vacuoles. RES and CUR induced cytoplasmic NF-κB accumulation. RES+CUR administrations were safe in BALB/c mice and reduced the growth of transplanted salivary gland cancer cells (SALTO) more efficiently than CUR. Overall, combinations of CUR and RES was more effective in inhibiting in vivo and in vitro cancer growth than the treatment with CUR. Additional studies will be needed to define the therapeutic potential of these compounds in combination.
PMCID: PMC4279407  PMID: 25296980
polyphenols; head and neck cancer; curcumin; resveratrol
18.  Co-circulation of Dengue and Chikungunya Viruses, Al Hudaydah, Yemen, 2012 
Emerging Infectious Diseases  2014;20(8):1351-1354.
We investigated 400 cases of dengue-like illness in persons hospitalized during an outbreak in Al Hudaydah, Yemen, in 2012. Overall, 116 dengue and 49 chikungunya cases were diagnosed. Dengue virus type 2 was the predominant serotype. The co-circulation of these viruses indicates that mosquitoborne infections represent a public health threat in Yemen.
doi:10.3201/eid2008.131615
PMCID: PMC4111199  PMID: 25061762
Dengue virus; chikungunya virus; viruses; dengue-like illness; Yemen; co-circulation; dengue type 2; mosquitoborne; mosquito-borne; Aedes aegypti; arbovirus infections
19.  Intratumoral delivery of recombinant vaccinia virus encoding for ErbB2/Neu inhibits the growth of salivary gland carcinoma cells 
Background
The antitumor activity induced by intratumoral vaccination with poxvirus expressing a tumor antigen was shown to be superior to that induced by subcutaneous vaccination. Salivary gland carcinomas overexpress ErbB2. Trastuzumab, a monoclonal antibody to ErbB2, was proposed for salivary gland tumors treatment. We explored the effectiveness of intratumoral vaccination with the recombinant vaccinia virus ErbB2/Neu (rV-neuT) vaccine in hampering the growth of transplanted Neu-overexpressing BALB-neuT salivary gland cancer cells (SALTO) in BALB-neuT mice.
Methods
BALB-neuT male mice were subcutaneously injected with SALTO tumor cells and intratumorally vaccinated twice with different doses of either rV-neuT or V-wt (wild-type). Tumors were measured weekly. The presence of anti-ErbB2/Neu antibodies was assayed by ELISA, immunoprecipitation or indirect immunofluorescence. Biological activity of immune sera was investigated by analyzing antibody-dependent cellular cytotoxicity (ADCC), SALTO cells proliferation and apoptosis, ErbB2/Neu receptor down regulation and ERK1/2 phosphorylation. Anti-Neu T cell immunity was investigated by determining the release of IL-2 and IFN-gamma in T cells supernatant. Survival curves were determined using the Kaplan-Meier method and compared using the log-rank test. Differences in tumor volumes, number of apoptotic cells, titer of the serum, percentage of ADCC were evaluated through a two-tailed Student’s t-test.
Results
rV-neuT intratumoral vaccination was able to inhibit the growth of SALTO cancer cells in a dose-dependent manner. The anti-Neu serum titer paralleled in vivo antitumor activity of rV-neuT vaccinated mice. rV-neuT immune serum was able to mediate ADCC, inhibition of SALTO cells proliferation, down regulation of the ErbB2/Neu receptor, inhibition of ERK1/2 phosphorylation and induction of apoptosis, thus suggesting potential mechanisms of in vivo tumor growth interference. In addition, spleen T cells of rV-neuT vaccinated mice released IFN-gamma and IL-2 upon in vitro stimulation with several Neu-specific peptides located in the extracellular domain of Neu sequence.
Conclusions
rV-neuT intratumoral vaccination could be employed to induce an efficient antitumor response and reject transplanted salivary gland tumors. Our findings may have important implications for the design of cancer vaccine protocols for the treatment of salivary gland tumors and other accessible tumors using intratumoral injection of recombinant vaccinia virus.
doi:10.1186/1479-5876-12-122
PMCID: PMC4029891  PMID: 24886178
Vaccine; Cancer; Salivary glands; ErbB2/Neu; Vaccinia virus; Intratumor
20.  Tendon’s ultrastructure 
Summary
The structure of a tendon is an important example of complexity of ECM three-dimensional organization. The extracellular matrix (ECM) is a macromolecular network with both structural and regulatory functions. ECM components belong to four major types of macromolecules: the collagens, elastin, proteoglycans, and noncollagenous glycoproteins. Tendons are made by a fibrous, compact connective tissue that connect muscle to bone designed to transmit forces and withstand tension during muscle contraction. Here we show the ultrastructural features of tendon’s components.
doi:10.11138/mltj/2013.3.1.002
PMCID: PMC3676160  PMID: 23885339
tendon; collagen; ultrastructure; extra-cellular matrix
21.  Involvement of interleukin-21 in the regulation of colitis-associated colon cancer 
The Journal of Experimental Medicine  2011;208(11):2279-2290.
IL-21 expression is increased in the gut of patients with colitis-associated colon cancer, and genetic ablation or antibody neutralization of IL-21 reduces tumor size and inflammation in mice treated with dextran sulfate sodium and azoxymethane.
Chronic inflammation is a major driving force in the development of cancer in many tissues, but the array of factors involved in this neoplastic transformation are not well understood. We have investigated the role of interleukin (IL)-21 in colitis-associated colon cancer (CAC), as this cytokine is overexpressed in the gut mucosa of patients with ulcerative colitis (UC), a chronic inflammatory disease associated with colon cancer. IL-21 was increased in the gut of patients with UC-associated colon cancer, and in mice with CAC induced by azoxymethane (AOM) and dextran sulfate sodium (DSS). After AOM+DSS treatment, IL-21 KO mice showed reduced mucosal damage, reduced infiltration of T cells, and diminished production of IL-6 and IL-17A. IL-21–deficient mice also developed fewer and smaller tumors compared with wild-type (WT) mice. Absence of IL-21 reduced signal transducer and activator of transcription 3 activation in tumor and stromal cells. Administration of a neutralizing IL-21 antibody to WT mice after the last DSS cycle decreased the colonic T cell infiltrate and the production of IL-6 and IL-17A and reduced the number of tumors. These observations indicate that IL-21 amplifies an inflammatory milieu that promotes CAC, and suggest that IL-21 blockade may be useful in reducing the risk of UC-associated colon cancer.
doi:10.1084/jem.20111106
PMCID: PMC3201207  PMID: 21987656
22.  Intestinal inflammation and colorectal cancer: A double-edged sword? 
Chronic inflammation is thought to be the leading cause of many human cancers including colorectal cancer (CRC). Accordingly, epidemiologic and clinical studies indicate that patients affected by ulcerative colitis and Crohn’s disease, the two major forms of inflammatory bowel disease, have an increased risk of developing CRC. In recent years, the role of immune cells and their products have been shown to be pivotal in initiation and progression of colitis-associated CRC. On the other hand, activation of the immune system has been shown to cause dysplastic cell elimination and cancer suppression in other settings. Clinical and experimental data herein reviewed, while confirming chronic inflammation as a risk factor for colon carcinogenesis, do not completely rule out the possibility that under certain conditions the chronic activation of the mucosal immune system might protect from colonic dysplasia.
doi:10.3748/wjg.v17.i26.3092
PMCID: PMC3158408  PMID: 21912451
Colorectal cancer; Inflammation; T cells; Cytokines; Immunosurveillance
23.  Common immunologic mechanisms in inflammatory bowel disease and spondylarthropathies 
Spondyloarthropathies (SpA) are commonly observed extra-intestinal manifestations of both Crohn’s disease (CD) and ulcerative colitis (UC), the two major forms of inflammatory bowel diseases (IBD). However, the immunological link between these two clinical entities is still poorly understood. Several lines of evidence indicate that SpA may originate from the relocation to the joints of the immune process primarily induced in the gut. The transfer of the intestinal inflammatory process into the joints implicates that immune cells activated in the gut-draining lymph nodes can localize, at a certain point of the intestinal disease, either into the gut or into the joints. This is indicated by the overlapping expression of adhesion molecules observed on the surface of intestinal and synovial endothelial cells during inflammation. Moreover bacterial antigens and HLA-B27 expression may be implicated in the reactivation of T cells at the articular level. Finally, accumulating evidence indicates that a T helper 17 cell-mediated immune response may contribute to IBD and IBD-related SpA with a crucial role played by tumor necrosis factor-α in CD and to a lesser extent in UC.
doi:10.3748/wjg.15.2472
PMCID: PMC2686905  PMID: 19468997
Cell adhesion molecules; Antigens; Th17; Helper T-cells; Tumor necrosis factor-α
24.  Lactobacillus paracasei subsp. paracasei B21060 Suppresses Human T-Cell Proliferation▿  
Infection and Immunity  2007;75(4):1730-1737.
Recent studies have shown that probiotics are beneficial in T-cell-mediated inflammatory diseases. The molecular mechanism by which probiotics work remains elusive, but accumulating evidence indicates that probiotics can modulate immune cell responses. Since T cells express receptors for bacterial products or components, we examined whether different strains of lactobacilli directly regulate the functions of human T cells. CD4+ T cells were isolated from blood and intestinal lamina propria (LP) of normal individuals and patients with inflammatory bowel disease (IBD). Mononuclear cells were also isolated from Peyer's patches. Cells were activated with anti-CD3/CD2/CD28 in the presence or absence of Lactobacillus paracasei subsp. paracasei B21060, L. paracasei subsp. paracasei F19, or L. casei subsp. casei DG. Cell proliferation and death, Foxp3, intracellular pH, and cytokine production were evaluated by flow cytometry. We showed that L. paracasei subsp. paracasei B21060 but neither L. paracasei subsp. paracasei F19 nor L. casei subsp. casei DG inhibited blood CD4+ T-cell growth. This effect was associated with no change in cell survival, expression of Foxp3, or production of gamma interferon, interleukin-4 (IL-4), IL-5, and IL-10. L. paracasei subsp. paracasei B21060-mediated blockade of CD4+ T-cell proliferation required a viable bacterium and was associated with decreased MCT-1 expression and low intracellular pH. L. paracasei subsp. paracasei B21060 also inhibited the growth of Peyer's patch mononuclear cells, normal lymphocytes, and IBD CD4+ LP lymphocytes without affecting cytokine production. The data show that L. paracasei subsp. paracasei B21060 blocks T-cell growth, thus suggesting a mechanism by which these probiotics could interfere with T-cell-driven immune responses.
doi:10.1128/IAI.01172-06
PMCID: PMC1865705  PMID: 17242060

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