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1.  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. Henri | Bergamaschi, Cristina | Ng, Sinnie Sin Man | Nagy, Bethany | Jensen, Shawn | Hu, Xintao | Alicea, Candido | Fox, Bernard | Felber, Barbara | Pavlakis, George | Chacon, Jessica | Yamamoto, Tori | Garrabrant, Thomas | Cortina, Luis | Powell, Daniel J. | Donia, Marco | Kjeldsen, Julie Westerlin | Andersen, Rikke | Westergaard, Marie Christine Wulff | Bianchi, Valentina | Legut, Mateusz | Attaf, Meriem | Dolton, Garry | Szomolay, Barbara | Ott, Sascha | Lyngaa, Rikke | Hadrup, Sine Reker | Sewell, Andrew Kelvin | Svane, Inge Marie | Fan, Aaron | Kumai, Takumi | Celis, Esteban | Frank, Ian | Stramer, Amanda | Blaskovich, Michelle A. | Wardell, Seth | Fardis, Maria | Bender, James | Lotze, Michael T. | Goff, Stephanie L. | Zacharakis, Nikolaos | Assadipour, Yasmine | Prickett, Todd D. | Gartner, Jared J. | Somerville, Robert | Black, Mary | Xu, Hui | Chinnasamy, Harshini | Kriley, Isaac | Lu, Lily | Wunderlich, John | Robbins, Paul F. | Rosenberg, Steven | Feldman, Steven A. | Trebska-McGowan, Kasia | Kriley, Isaac | Malekzadeh, Parisa | Payabyab, Eden | Sherry, Richard | Rosenberg, Steven | Goff, Stephanie L. | Gokuldass, Aishwarya | Blaskovich, Michelle A. | Kopits, Charlene | Rabinovich, Brian | Lotze, Michael T. | Green, Daniel S. | Kamenyeva, Olena | Zoon, Kathryn C. | Annunziata, Christina M. | Hammill, Joanne | Helsen, Christopher | Aarts, Craig | Bramson, Jonathan | Harada, Yui | Yonemitsu, Yoshikazu | Helsen, Christopher | Hammill, Joanne | Mwawasi, Kenneth | Denisova, Galina | Bramson, Jonathan | Giri, Rajanish | Jin, Benjamin | Campbell, Tracy | Draper, Lindsey M. | Stevanovic, Sanja | Yu, Zhiya | Weissbrich, Bianca | Restifo, Nicholas P. | Trimble, Cornelia L. | Rosenberg, Steven | Hinrichs, Christian S. | Tsang, Kwong | Fantini, Massimo | Hodge, James W. | Fujii, Rika | Fernando, Ingrid | Jochems, Caroline | Heery, Christopher | Gulley, James | Soon-Shiong, Patrick | Schlom, Jeffrey | Jing, Weiqing | Gershan, Jill | Blitzer, Grace | Weber, James | McOlash, Laura | Johnson, Bryon D. | Kiany, Simin | Gangxiong, Huang | Kleinerman, Eugenie S. | Klichinsky, Michael | Ruella, Marco | Shestova, Olga | Kenderian, Saad | Kim, Miriam | Scholler, John | June, Carl H. | Gill, Saar | Moogk, Duane | Zhong, Shi | Yu, Zhiya | Liadi, Ivan | Rittase, William | Fang, Victoria | Dougherty, Janna | Perez-Garcia, Arianne | Osman, Iman | Zhu, Cheng | Varadarajan, Navin | Restifo, Nicholas P. | Frey, Alan | Krogsgaard, Michelle | Landi, Daniel | Fousek, Kristen | Mukherjee, Malini | Shree, Ankita | Joseph, Sujith | Bielamowicz, Kevin | Byrd, Tiara | Ahmed, Nabil | Hegde, Meenakshi | Lee, Sylvia | Byrd, David | Thompson, John | Bhatia, Shailender | Tykodi, Scott | Delismon, Judy | Chu, Liz | Abdul-Alim, Siddiq | Ohanian, Arpy | DeVito, Anna Marie | Riddell, Stanley | Margolin, Kim | Magalhaes, Isabelle | Mattsson, Jonas | Uhlin, Michael | Nemoto, Satoshi | Villarroel, Patricio Pérez | Nakagawa, Ryosuke | Mule, James J. | Mailloux, Adam W. | Mata, Melinda | Nguyen, Phuong | Gerken, Claudia | DeRenzo, Christopher | Spencer, David M. | Gottschalk, Stephen | Mathieu, Mélissa | Pelletier, Sandy | Stagg, John | Turcotte, Simon | Minutolo, Nicholas | Sharma, Prannda | Tsourkas, Andrew | Powell, Daniel J. | Mockel-Tenbrinck, Nadine | Mauer, Daniela | Drechsel, Katharina | Barth, Carola | Freese, Katharina | Kolrep, Ulrike | Schult, Silke | Assenmacher, Mario | Kaiser, Andrew | Mullinax, John | Hall, MacLean | Le, Julie | Kodumudi, Krithika | Royster, Erica | Richards, Allison | Gonzalez, Ricardo | Sarnaik, Amod | Pilon-Thomas, Shari | Nielsen, Morten | Krarup-Hansen, Anders | Hovgaard, Dorrit | Petersen, Michael Mørk | Loya, Anand Chainsukh | Junker, Niels | Svane, Inge Marie | Rivas, Charlotte | Parihar, Robin | Gottschalk, Stephen | Rooney, Cliona M. | Qin, Haiying | Nguyen, Sang | Su, Paul | Burk, Chad | Duncan, Brynn | Kim, Bong-Hyun | Kohler, M. 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
2.  Negative Feedback Regulation of NF-κB-Inducing Kinase is Proteasome-Dependent But Does Not Require Cellular Inhibitors of Apoptosis 
Non-canonical NF-κB signaling is controlled by the precise regulation of NF-κB Inducing Kinase (NIK) stability. NIK is constitutively ubiquitylated by cellular inhibitor of apoptosis (cIAP) proteins 1 and 2, leading to its complete proteasomal degradation in resting cells. Following stimulation, cIAP-mediated ubiquitylation of NIK ceases and NIK is stabilized, allowing for Inhibitor of κB kinase (IKK)α activation and non-canonical NF-κB signaling. Non-canonical NF-κB signaling is terminated by feedback phosphorylation of NIK by IKKα that promotes NIK degradation; however, the mechanism of active NIK protein turnover remains unknown. To address this question, we established a strategy to precisely distinguish between basal degradation of newly synthesized endogenous NIK and induced active NIK in stimulated cells. Using this approach, we found that IKKα-mediated degradation of signal-induced activated NIK occurs through the proteasome. To determine whether cIAP1 or cIAP2 play a role in active NIK turnover, we utilized a Smac mimetic (GT13072), which promotes degradation of these E3 ubiquitin ligases. As expected, GT13072 stabilized NIK in resting cells. However, loss of the cIAPs did not inhibit proteasome-dependent turnover of signal-induced NIK showing that unlike the basal regulatory mechanism, active NIK turnover is independent of cIAP1 and cIAP2. Our results therefore establish that the negative feedback control of IKKα-mediated NIK turnover occurs via a novel proteasome-dependent and cIAP-independent mechanism.
doi:10.1016/j.bbrc.2014.05.122
PMCID: PMC4107106  PMID: 24942881
NIK; cIAP; NF-κB; Smac mimetic; proteasome; bortezomib
3.  The novel SMAC mimetic birinapant exhibits potent activity against human melanoma cells 
Purpose
Inhibitor of apoptosis proteins (IAPs) promote cancer cell survival and confer resistance to therapy. We report on the ability of second mitochondria-derived activator of caspases (SMAC) mimetic, birinapant, which acts as antagonist to cIAP1 and cIAP2, to restore the sensitivity to apoptotic stimuli such as tumor necrosis factor (TNF)-α in melanomas
Experimental Design
Seventeen melanoma cell lines, representing five major genetic subgroups of cutaneous melanoma, were treated with birinapant as a single agent or in combination with TNF-α. Effects on cell viability, target inhibition, and initiation of apoptosis were assessed and findings were validated in in 2D, 3D spheroid and in vivo xenograft models.
Results
When birinapant was combined with TNF-α, strong combination activity, i.e. neither compound was effective individually but the combination was highly effective, was observed in twelve out of eighteen cell lines. This response was conserved in spheroid models, whereas in vivo birinapant inhibited tumor growth without adding TNF-α in in vitro resistant cell lines. Birinapant combined with TNF-α inhibited the growth of a melanoma cell line with acquired resistance to BRAF inhibition to the same extent as in the parental cell line.
Conclusions
Birinapant in combination with TNF-α exhibits a strong anti-melanoma effect in vitro. Birinapant as a single agent shows in vivo anti-tumor activity, even if cells are resistant to single agent therapy in vitro. Birinapant in combination with TNF-α is effective in a melanoma cell line with acquired resistance to BRAF inhibitors.
doi:10.1158/1078-0432.CCR-12-2518
PMCID: PMC3618495  PMID: 23403634
birinapant; IAP inhibitor; SMAC mimetic; TNF-α; melanoma
4.  Smac Mimetics Activate the E3 Ligase Activity of cIAP1 Protein by Promoting RING Domain Dimerization* 
The Journal of Biological Chemistry  2011;286(19):17015-17028.
The inhibitor of apoptosis (IAP) proteins are important ubiquitin E3 ligases that regulate cell survival and oncogenesis. The cIAP1 and cIAP2 paralogs bear three N-terminal baculoviral IAP repeat (BIR) domains and a C-terminal E3 ligase RING domain. IAP antagonist compounds, also known as Smac mimetics, bind the BIR domains of IAPs and trigger rapid RING-dependent autoubiquitylation, but the mechanism is unknown. We show that RING dimerization is essential for the E3 ligase activity of cIAP1 and cIAP2 because monomeric RING mutants could not interact with the ubiquitin-charged E2 enzyme and were resistant to Smac mimetic-induced autoubiquitylation. Unexpectedly, the BIR domains inhibited cIAP1 RING dimerization, and cIAP1 existed predominantly as an inactive monomer. However, addition of either mono- or bivalent Smac mimetics relieved this inhibition, thereby allowing dimer formation and promoting E3 ligase activation. In contrast, the cIAP2 dimer was more stable, had higher intrinsic E3 ligase activity, and was not highly activated by Smac mimetics. These results explain how Smac mimetics promote rapid destruction of cIAP1 and suggest mechanisms for activating cIAP1 in other pathways.
doi:10.1074/jbc.M111.222919
PMCID: PMC3089546  PMID: 21393245
Apoptosis; Protein-Protein Interactions; Signal Transduction; Ubiquitin Ligase; Ubiquitylation; Dimerization; IAP Antagonist Compounds; RING Domain; cIAP
5.  Smac mimetic reverses resistance to TRAIL and chemotherapy in human urothelial cancer cells 
Cancer Biology & Therapy  2010;10(9):885-892.
Purpose
Inhibitors of apoptosis proteins (IAP s) have been shown to contribute to resistance of neoplastic cells to chemotherapy and to biologic antineoplastic agents. Consequently, new agents are being developed targeting this family of proteins. In a panel of bladder cancer cell lines, we evaluated a Smac mimetic that antagonizes several IAPs for its suitability for bladder cancer therapy.
Results
Single-agent compound-A had little effect, but compound-A augmented TRAIL- and chemotherapy-induced apoptosis. Immunoblotting showed that combination treatment with compound-A and TRAIL resulted in cleavage of procaspase-3 and procaspase-7, activation of which irreversibly commits cells to apoptosis. Immunoprecipitation of XIAP showed displacement of active caspase-3 fragments from XIAP, supporting the proposed mechanism of action. Furthermore, siRNA-mediated silencing of XIAP similarly sensitized these cells to apoptosis.
Experimental design
A panel of seven bladder cancer cell lines were evaluated for sensitivity to the Smac mimetic compound-A alone, TRAIL alone, chemotherapy alone, compound-A plus TRAIL and compound-A plus chemotherapy by DNA fragmentation analysis. IAP levels and caspase activation were examined by western blotting. Release of caspase-3 from X-linked inhibitor of apoptosis protein (XIAP), the most effective IAP, was assessed by immunoprecipitation and western blotting. Finally, siRNA knockdown of XIAP was correlated with the sensitivity of cells to apoptosis induced by compound-A plus TRAIL by DNA fragmentation and western blotting.
Conclusion
Our results suggest that targeting of XIAP with the Smac mimetic compound-A has the potential to augment the effects of a variety of chemotherapeutic and biologic therapies in bladder cancer.
doi:10.4161/cbt.10.9.13237
PMCID: PMC3230293  PMID: 20814238
bladder cancer; smac mimetic; IAP antagonist; chemotherapy; TRAIL
6.  Molecular Mechanism of Hepatitis C Virus Replicon Variants with Reduced Susceptibility to a Benzofuran Inhibitor, HCV-796▿  
HCV-796 selectively inhibits hepatitis C virus (HCV) NS5B RNA-dependent RNA polymerase. In hepatoma cells containing a genotype 1b HCV replicon, HCV-796 reduced HCV RNA levels by 3 to 4 log10 HCV copies/μg total RNA (the concentration of the compound that inhibited 50% of the HCV RNA level was 9 nM). Cells bearing replicon variants with reduced susceptibility to HCV-796 were generated in the presence of HCV-796, followed by G418 selection. Sequence analysis of the NS5B gene derived from the replicon variants revealed several amino acid changes within 5 Å of the drug-binding pocket. Specifically, mutations were observed at Leu314, Cys316, Ile363, Ser365, and Met414 of NS5B, which directly interact with HCV-796. The impacts of the amino acid substitutions on viral fitness and drug susceptibility were examined in recombinant replicons and NS5B enzymes with the single-amino-acid mutations. The replicon variants were 10- to 1,000-fold less efficient in forming colonies in cells than the wild-type replicon; the S365L variant failed to establish a stable cell line. Other variants (L314F, I363V, and M414V) had four- to ninefold-lower steady-state HCV RNA levels. Reduced binding affinity with HCV-796 was demonstrated in an enzyme harboring the C316Y mutation. The effects of these resistance mutations were structurally rationalized using X-ray crystallography data. While different levels of resistance to HCV-796 were observed in the replicon and enzyme variants, these variants retained their susceptibilities to pegylated interferon, ribavirin, and other HCV-specific inhibitors. The combined virological, biochemical, biophysical, and structural approaches revealed the mechanism of resistance in the variants selected by the potent polymerase inhibitor HCV-796.
doi:10.1128/AAC.00238-08
PMCID: PMC2533464  PMID: 18559648
7.  TWEAK-FN14 signaling induces lysosomal degradation of a cIAP1–TRAF2 complex to sensitize tumor cells to TNFα 
The Journal of Cell Biology  2008;182(1):171-184.
Synthetic inhibitor of apoptosis (IAP) antagonists induce degradation of IAP proteins such as cellular IAP1 (cIAP1), activate nuclear factor κB (NF-κB) signaling, and sensitize cells to tumor necrosis factor α (TNFα). The physiological relevance of these discoveries to cIAP1 function remains undetermined. We show that upon ligand binding, the TNF superfamily receptor FN14 recruits a cIAP1–Tnf receptor-associated factor 2 (TRAF2) complex. Unlike IAP antagonists that cause rapid proteasomal degradation of cIAP1, signaling by FN14 promotes the lysosomal degradation of cIAP1–TRAF2 in a cIAP1-dependent manner. TNF-like weak inducer of apoptosis (TWEAK)/FN14 signaling nevertheless promotes the same noncanonical NF-κB signaling elicited by IAP antagonists and, in sensitive cells, the same autocrine TNFα-induced death occurs. TWEAK-induced loss of the cIAP1–TRAF2 complex sensitizes immortalized and minimally passaged tumor cells to TNFα-induced death, whereas primary cells remain resistant. Conversely, cIAP1–TRAF2 complex overexpression limits FN14 signaling and protects tumor cells from TWEAK-induced TNFα sensitization. Lysosomal degradation of cIAP1–TRAF2 by TWEAK/FN14 therefore critically alters the balance of life/death signals emanating from TNF-R1 in immortalized cells.
doi:10.1083/jcb.200801010
PMCID: PMC2447903  PMID: 18606850
8.  Molecular Mechanism of a Thumb Domain Hepatitis C Virus Nonnucleoside RNA-Dependent RNA Polymerase Inhibitor▿  
Antimicrobial Agents and Chemotherapy  2006;50(12):4103-4113.
A new pyranoindole class of small-molecule inhibitors was studied to understand viral resistance and elucidate the mechanism of inhibition in hepatitis C virus (HCV) replication. HCV replicon variants less susceptible to inhibition by the pyranoindoles were selected in Huh-7 hepatoma cells. Variant replicons contained clusters of mutations in the NS5B polymerase gene corresponding to the drug-binding pocket on the surface of the thumb domain identified by X-ray crystallography. An additional cluster of mutations present in part of a unique β-hairpin loop was also identified. The mutations were characterized by using recombinant replicon variants engineered with the corresponding amino acid substitutions. A single mutation (L419M or M423V), located at the pyranoindole-binding site, resulted in an 8- to 10-fold more resistant replicon, while a combination mutant (T19P, M71V, A338V, M423V, A442T) showed a 17-fold increase in drug resistance. The results of a competition experiment with purified NS5B enzyme with GTP showed that the inhibitory activity of the pyranoindole inhibitor was not affected by GTP at concentrations up to 250 μM. Following de novo initiation, the presence of a pyranoindole inhibitor resulted in the accumulation of a five-nucleotide oligomer, with a concomitant decrease in higher-molecular-weight products. The results of these studies have confirmed that pyranoindoles target the NS5B polymerase through interactions at the thumb domain. This inhibition is independent of GTP concentrations and is likely mediated by an allosteric blockade introduced by the inhibitor during the transition to RNA elongation after the formation of an initiation complex.
doi:10.1128/AAC.00365-06
PMCID: PMC1693979  PMID: 16940072
9.  Novel Nonnucleoside Inhibitor of Hepatitis C Virus RNA-Dependent RNA Polymerase 
Antimicrobial Agents and Chemotherapy  2004;48(12):4813-4821.
A novel nonnucleoside inhibitor of hepatitis C virus (HCV) RNA-dependent RNA polymerase (RdRp), [(1R)-5-cyano-8-methyl-1-propyl-1,3,4,9-tetrahydropyano[3,4-b]indol-1-yl] acetic acid (HCV-371), was discovered through high-throughput screening followed by chemical optimization. HCV-371 displayed broad inhibitory activities against the NS5B RdRp enzyme, with 50% inhibitory concentrations ranging from 0.3 to 1.8 μM for 90% of the isolates derived from HCV genotypes 1a, 1b, and 3a. HCV-371 showed no inhibitory activity against a panel of human polymerases, including mitochondrial DNA polymerase gamma, and other unrelated viral polymerases, demonstrating its specificity for the HCV polymerase. A single administration of HCV-371 to cells containing the HCV subgenomic replicon for 3 days resulted in a dose-dependent reduction of the steady-state levels of viral RNA and protein. Multiple treatments with HCV-371 for 16 days led to a >3-log10 reduction in the HCV RNA level. In comparison, multiple treatments with a similar inhibitory dose of alpha interferon resulted in a 2-log10 reduction of the viral RNA level. In addition, treatment of cells with a combination of HCV-371 and pegylated alpha interferon resulted in an additive antiviral activity. Within the effective antiviral concentrations of HCV-371, there was no effect on cell viability and metabolism. The intracellular antiviral specificity of HCV-371 was demonstrated by its lack of activity in cells infected with several DNA or RNA viruses. Fluorescence binding studies show that HCV-371 binds the NS5B with an apparent dissociation constant of 150 nM, leading to high selectivity and lack of cytotoxicity in the antiviral assays.
doi:10.1128/AAC.48.12.4813-4821.2004
PMCID: PMC529219  PMID: 15561861
10.  Newly Synthesized Hepatitis C Virus Replicon RNA Is Protected from Nuclease Activity by a Protease-Sensitive Factor(s) 
Journal of Virology  2004;78(18):10202-10205.
Biochemical characterization of hepatitis C virus (HCV) replication using purified, membrane-associated replication complexes is hampered by the presence of endogenous nuclease activity that copurifies with the replication complex. In this study, pulse-chase analyses were used to demonstrate that newly synthesized replicon RNA was protected from nuclease activity by a factor(s) that was sensitive to 0.5% NP-40 or protease treatment. Nuclease susceptibility was not related to disruption of lipid membranes, since NP-40 did not significantly affect the buoyant density of HCV replication complexes or protease susceptibility of HCV NS3 and NS5A proteins. These results suggest that a protease-sensitive factor(s) protects newly synthesized RNA from nuclease degradation.
doi:10.1128/JVI.78.18.10202-10205.2004
PMCID: PMC514995  PMID: 15331754

Results 1-10 (10)