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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.  Autophagy, Metabolism, and Cancer 
Macroautophagy (autophagy hereafter) captures intracellular proteins and organelles and degrades them in lysosomes. The degradation breakdown products are released from lysosomes and recycled into metabolic and biosynthetic pathways. Basal autophagy provides protein and organelle quality control by eliminating damaged cellular components. Starvation-induced autophagy recycles intracellular components into metabolic pathways to sustain mitochondrial metabolic function and energy homeostasis. Recycling by autophagy is essential for yeast and mammals to survive starvation through intracellular nutrient scavenging. Autophagy suppresses degenerative diseases and has a context-dependent role in cancer. In some models, cancer initiation is suppressed by autophagy. By preventing the toxic accumulation of damaged protein and organelles, particularly mitochondria, autophagy limits oxidative stress, chronic tissue damage and oncogenic signaling, which suppresses cancer initiation. This suggests a role for autophagy stimulation in cancer prevention, although the role of autophagy in the suppression of human cancer is unclear. In contrast, some cancers induce autophagy and are dependent on autophagy for survival. Much in the way that autophagy promotes survival in starvation, cancers can use autophagy-mediated recycling to maintain mitochondrial function and energy homeostasis to meet the elevated metabolic demand of growth and proliferation. Thus autophagy inhibition may be beneficial for cancer therapy. Moreover, tumors are more autophagy-dependent than normal tissues, suggesting that there is a therapeutic window. Despite these insights, there remain many important, unanswered questions about the exact mechanisms of autophagy-mediated cancer suppression and promotion, how relevant these observations are to humans, and whether the autophagy pathway can be modulated therapeutically in cancer.
doi:10.1158/1078-0432.CCR-15-0490
PMCID: PMC4646728  PMID: 26567363
3.  Starving cancer from the outside and inside: separate and combined effects of calorie restriction and autophagy inhibition on Ras-driven tumors 
Cancer & Metabolism  2016;4:18.
Background
Calorie restriction (CR) prevents obesity and exerts anticancer effects in many preclinical models. CR is also increasingly being used in cancer patients as a sensitizing strategy prior to chemotherapy regimens. While the beneficial effects of CR are widely accepted, the mechanisms through which CR affects tumor growth are incompletely understood. In many cell types, CR and other nutrient stressors can induce autophagy, which provides energy and metabolic substrates critical for cancer cell survival. We hypothesized that limiting extracellular and intracellular substrate availability by combining CR with autophagy inhibition would reduce tumor growth more effectively than either treatment alone.
Results
A 30 % CR diet, relative to control diet, in nude mice resulted in significant decreases in body fat, blood glucose, and serum insulin, insulin-like growth factor-1, and leptin levels concurrent with increased adiponectin levels. In a xenograft model in nude mice involving H-RasG12V-transformed immortal baby mouse kidney epithelial cells with (Atg5+/+) and without (Atg5−/−) autophagic capacity, the CR diet (relative to control diet) genetically induced autophagy inhibition and their combination, each reduced tumor development and growth. Final tumor volume was greatest for Atg5+/+ tumors in control-fed mice, intermediate for Atg5+/+ tumors in CR-fed mice and Atg5−/− tumors in control-fed mice, and lowest for Atg5−/− tumors in CR mice. In Atg5+/+ tumors, autophagic flux was increased in CR-fed relative to control-fed mice, suggesting that the prosurvival effects of autophagy induction may mitigate the tumor suppressive effects of CR. Metabolomic analyses of CR-fed, relative to control-fed, nude mice showed significant decreases in circulating glucose and amino acids and significant increases in ketones, indicating CR induced negative energy balance. Combining glucose deprivation with autophagy deficiency in Atg5−/− cells resulted in significantly reduced in vitro colony formation relative to glucose deprivation or autophagy deficiency alone.
Conclusions
Combined restriction of extracellular (via CR in vivo or glucose deprivation in vitro) and intracellular (via autophagy inhibition) sources of energy and nutrients suppresses Ras-driven tumor growth more effectively than either CR or autophagy deficiency alone. Interventions targeting both systemic energy balance and tumor-cell intrinsic autophagy may represent a novel and effective anticancer strategy.
doi:10.1186/s40170-016-0158-4
PMCID: PMC5025535  PMID: 27651895
Calorie restriction; Autophagy; Metabolomics; Nutrient stress; Cancer
4.  Immune activation and response to pembrolizumab in POLE-mutant endometrial cancer 
The Journal of Clinical Investigation  null;126(6):2334-2340.
Antibodies that target the immune checkpoint receptor programmed cell death protein 1 (PD-1) have resulted in prolonged and beneficial responses toward a variety of human cancers. However, anti–PD-1 therapy in some patients provides no benefit and/or results in adverse side effects. The factors that determine whether patients will be drug sensitive or resistant are not fully understood; therefore, genomic assessment of exceptional responders can provide important insight into patient response. Here, we identified a patient with endometrial cancer who had an exceptional response to the anti–PD-1 antibody pembrolizumab. Clinical grade targeted genomic profiling of a pretreatment tumor sample from this individual identified a mutation in DNA polymerase epsilon (POLE) that associated with an ultramutator phenotype. Analysis of The Cancer Genome Atlas (TCGA) revealed that the presence of POLE mutation associates with high mutational burden and elevated expression of several immune checkpoint genes. Together, these data suggest that cancers harboring POLE mutations are good candidates for immune checkpoint inhibitor therapy.
doi:10.1172/JCI84940
PMCID: PMC4887167  PMID: 27159395
5.  Elevated p62/SQSTM1 determines the fate of autophagy-deficient neural stem cells by increasing superoxide 
The Journal of Cell Biology  2016;212(5):545-560.
Comparison of autophagy inhibition by deletion of Atg5, Atg16L1, Atg7, or Fip200 reveals a critical role for increased p62 in determining the fate of autophagy-deficient neural stem cells by controlling intracellular superoxide.
Autophagy plays important roles in many biological processes, but our understanding of the mechanisms regulating stem cells by autophagy is limited. Interpretations of earlier studies of autophagy using knockouts of single genes are confounded by accumulating evidence for other functions of many autophagy genes. Here, we show that, in contrast to Fip200 deletion, inhibition of autophagy by deletion of Atg5, Atg16L1, or Atg7 does not impair the maintenance and differentiation of postnatal neural stem cells (NSCs). Only Fip200 deletion, but not Atg5, Atg16L1, or Atg7 deletion, caused p62/sequestome1 aggregates to accumulate in NSCs. Fip200 and p62 double conditional knockout mice demonstrated that p62 aggregate formation triggers aberrant superoxide increases by impairing superoxide dismutase functions. By comparing the inhibition of autophagy by deletion of Atg5, Atg16L1, or Atg7 with Fip200 deletion, we revealed a critical role of increased p62 in determining the fate of autophagy-deficient NSCs through intracellular superoxide control.
doi:10.1083/jcb.201507023
PMCID: PMC4772497  PMID: 26929451
6.  Identification of 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase (PFKFB4) as a Novel Autophagy Regulator by High Content shRNA Screening 
Oncogene  2015;34(45):5662-5676.
Deregulation of autophagy has been linked to multiple degenerative diseases and cancer, thus the identification of novel autophagy regulators for potential therapeutic intervention is important. To meet this need, we developed a high content image-based shRNA screen monitoring levels of the autophagy substrate p62/SQSTM1. We identified 186 genes whose loss caused p62 accumulation indicative of autophagy blockade, and 67 genes whose loss enhanced p62 elimination indicative of autophagy stimulation. One putative autophagy stimulator, PFKFB4, drives flux through pentose phosphate pathway. Knockdown of PFKFB4 in prostate cancer cells increased p62 and reactive oxygen species (ROS), but surprisingly increased autophagic flux. Addition of the ROS scavenger N-acetyl cysteine prevented p62 accumulation in PFKFB4-depleted cells, suggesting that the upregulation of p62 and autophagy was a response to oxidative stress caused by PFKFB4 elimination. Thus, PFKFB4 suppresses oxidative stress and p62 accumulation, without which autophagy is stimulated likely as a ROS detoxification response.
doi:10.1038/onc.2015.23
PMCID: PMC4573377  PMID: 25772235
autophagy; autophagy regulators; Squestosome1/p62; shRNA screening; vesicle trafficking; kinases; PFKFB4; ROS; metabolism
8.  Eat this, not that! How selective autophagy helps cancer cells survive 
Molecular & Cellular Oncology  2015;2(2):e975638.
Autophagy degrades the cellular proteome to promote survival, but the underlying mechanism and substrates of consequence are poorly understood. We found that autophagy selectively remodels the proteome in cancer cells by eliminating proinflammatory signaling proteins. Autophagy ablation causes aberrant accumulation of these proteins that primes cancer cells for interferon-dependent cell death, explaining how autophagy suppresses inflammation and promotes tumor maintenance.
doi:10.4161/23723556.2014.975638
PMCID: PMC4904891  PMID: 27308434
autophagy; biomarkers; immuno-oncology; innate immunity; interferon
9.  The Genomic Landscape of Renal Oncocytoma Identifies a Metabolic Barrier to Tumorigenesis 
Cell reports  2015;13(9):1895-1908.
SUMMARY
Oncocytomas are predominantly benign neoplasms possessing pathogenic mitochondrial mutations and accumulation of respiration-defective mitochondria, characteristics of unknown significance. Using exome and transcriptome sequencing, we identified two main subtypes of renal oncocytoma. Type 1 is diploid with CCND1 rearrangements, whereas type 2 is aneuploid with recurrent loss of chromosome 1, X or Y, and/or 14 and 21, which may proceed to more aggressive eosinophilic chromophobe renal cell carcinoma (ChRCC). Oncocytomas activate 5′ adenosine monophosphate-activated protein kinase (AMPK) and Tp53 (p53) and display disruption of Golgi and autophagy/lysosome trafficking, events attributed to defective mitochondrial function. This suggests that the genetic defects in mitochondria activate a metabolic checkpoint, producing autophagy impairment and mitochondrial accumulation that limit tumor progression, revealing a novel tumor-suppressive mechanism for mitochondrial inhibition with metformin. Alleviation of this metabolic checkpoint in type 2 by p53 mutations may allow progression to eosinophilic ChRCC, indicating that they represent higher risk.
Graphical abstract
doi:10.1016/j.celrep.2015.10.059
PMCID: PMC4779191  PMID: 26655904
10.  The role for autophagy in cancer 
Autophagy is a survival-promoting pathway that captures, degrades, and recycles intracellular proteins and organelles in lysosomes. Autophagy preserves organelle function, prevents the toxic buildup of cellular waste products, and provides substrates to sustain metabolism in starvation. Although in some contexts autophagy suppresses tumorigenesis, in most contexts autophagy facilitates tumorigenesis. Cancers can upregulate autophagy to survive microenvironmental stress and to increase growth and aggressiveness. Mechanisms by which autophagy promotes cancer include suppressing induction of the p53 tumor suppressor protein and maintaining metabolic function of mitochondria. Efforts to inhibit autophagy to improve cancer therapy have thereby attracted great interest.
doi:10.1172/JCI73941
PMCID: PMC4382247  PMID: 25654549
11.  PP2AC Level Determines Differential Programming of p38-TSC-mTOR Signaling and Therapeutic Response to p38-Targeted Therapy in Colorectal Cancer 
EBioMedicine  2015;2(12):1944-1956.
The p38 MAP kinase is a promising cancer drug target but its therapeutic effect is not fully understood. Here we report that the response of colorectal cancer (CRC) to p38 inhibitors (p38i) is highly variable: while p38i induces regression of one subgroup of CRCs, it stimulates growth of another subgroup. We further show that PP2AC is differentially expressed in the two different CRC subgroups, which determines the programing of p38-TSC-mTORC1 signaling through differential TSC2 phosphorylation at S664, 1254 and 1798, and the antitumor activity by p38i. Remarkably, modulation of PP2AC level is sufficient to reprogram p38-to-mTORC1 signaling and antitumor response. PP2AC expression accurately predicts therapeutic response to p38i in several CRC models, including a large cohort of patient-derived xenografts (PDXs). Moreover, we demonstrate that combination of p38 and mTOR kinase inhibitors effectively overcomes resistance to either inhibitor in single agent therapy. These results demonstrate that alternative routing of signal transduction underlies differential response to p38 and mTOR targeted therapies. The biomarker-guided therapeutic strategies described herein provide a compelling reason for testing in metastatic CRC patients who suffer very poor prognosis due to lack of efficacious drug therapies.
Highlights
•p38i has anticancer or cancer-promoting effects in two distinct subgroups of CRCs•Differential programing in p38-mTORC1 signaling determines therapeutic response•PP2AC expression level programs p38-to-mTOR signaling.•Combination of mTOR and p38 kinase inhibitors overcomes drug-resistance to single agent therapy.•PP2AC predicts therapeutic response in a large cohort of CRC PDX models.
This study investigates the efficacy and mechanism of a class of developmental anti-inflammatory drugs called p38i in colorectal cancer. p38i profoundly inhibits tumors with low PP2AC, but promotes tumors with high PP2AC. The different treatment outcomes are due to that PP2AC level determines how p38i affects the activity of mTOR, another cancer drug target. Combination of p38i and mTOR inhibitors effectively overcomes resistance to single agent therapies. This study identifies PP2AC as a predictive biomarker and treatment strategies to guide p38-targeted therapy for colorectal cancer patients, especially those with metastatic cancer harboring K-RAS mutations who suffer very poor prognosis.
doi:10.1016/j.ebiom.2015.11.031
PMCID: PMC4703732  PMID: 26844273
Targeted therapy; Cancer; Signal transduction; mTOR; p38; PDX
12.  Atg7 overcomes senescence and promotes growth of BRAFV600E-driven melanoma 
Cancer discovery  2015;5(4):410-423.
Macroautophagy (autophagy hereafter) may promote survival and growth of spontaneous tumors, including melanoma. We utilized a genetically engineered mouse model (GEMM) driven by oncogenic BRAFV600E and deficiency in the Pten tumor suppressor gene in melanocytes to test the functional consequences of loss of the essential autophagy gene autophagy-related-7, Atg7. Atg7 deficiency prevented melanoma development by BRAFV600E and allelic Pten loss, indicating that autophagy is essential for melanomagenesis. Moreover, BRAFV600E mutant, Pten-null, Atg7-deficient melanomas displayed accumulation of autophagy substrates and growth defects, which extended animal survival. Atg7-deleted tumors showed increased oxidative stress and senescence, a known barrier to melanomagenesis. Treatment with the BRAF inhibitor dabrafenib decreased tumor growth and induced senescence that was more pronounced in tumors with Atg7 deficiency. Thus Atg7 promotes melanoma by limiting oxidative stress and overcoming senescence, and autophagy inhibition may be of therapeutic value by augmenting the anti-tumor activity of BRAF inhibitors.
doi:10.1158/2159-8290.CD-14-1473
PMCID: PMC4390491  PMID: 25673642
Melanoma; autophagy; senescence; BRAFV600E; dabrafenib
13.  Functional Role of Autophagy-mediated Proteome Remodeling in Cell Survival Signaling and Innate Immunity 
Molecular cell  2014;55(6):916-930.
Summary
Ras-driven cancer cells upregulate basal autophagy that degrades and recycles intracellular proteins and organelles. Autophagy-mediated proteome degradation provides free amino acids to support metabolism and macromolecular synthesis, which confers a survival advantage in starvation and promotes tumorigenesis. While the degradation of isolated protein substrates by autophagy has been implicated in controlling cellular function, the extent and specificity by which autophagy remodels the cellular proteome and the underlying functional consequences were unknown. Here we compared the global proteome of autophagy-functional and -deficient Ras-driven cancer cells, finding that autophagy affects the majority of the proteome yet is highly selective. While levels of vesicle trafficking proteins important for autophagy are preserved during starvation-induced autophagy, deleterious inflammatory response pathway components are eliminated even under basal conditions, preventing cytokine-induced paracrine cell death. This reveals the global, functional impact of autophagy-mediated proteome remodeling on cell survival and identifies critical autophagy substrates that mediate this process.
doi:10.1016/j.molcel.2014.07.019
PMCID: PMC4169768  PMID: 25175026
14.  Ubiquitylation of Autophagy Receptor Optineurin by HACE1 Activates Selective Autophagy for Tumor Suppression 
Cancer cell  2014;26(1):106-120.
Summary
In selective autophagy, receptors are central for cargo selection and delivery. However, it remains yet unclear whether and how multiple autophagy receptors might form complex and function concertedly to control autophagy. Optineurin (OPTN), implicated genetically in glaucoma and amyotrophic lateral sclerosis, was a recently identified autophagy receptor. Here we report that tumor suppressor HACE1, a ubiquitin ligase, ubiquitylates OPTN and promotes its interaction with p62/SQSTM1 to form the autophagy receptor complex, thus accelerating autophagic flux. Interestingly, the K48-linked polyubiquitin chains that HACE1 conjugates onto OPTN might predominantly target OPTN for autophagic degradation. By demonstrating that the HACE1-OPTN axis synergistically suppresses growth and tumorigenicity of lung cancer cells, our findings may open an avenue for developing autophagy-targeted therapeutic intervention into cancer.
doi:10.1016/j.ccr.2014.05.015
PMCID: PMC4166492  PMID: 25026213
15.  An autophagy-dependent anticancer immune response determines the efficacy of melanoma chemotherapy 
Oncoimmunology  2014;3(7):e944047.
There is ample experimental and clinical evidence that chemotherapies are more efficient if they succeed in (re)activating immune surveillance, hence triggering a long-term immune response against residual tumor cells. Most of the preclinical evidence supporting this notion has been obtained with transplantable cancers, for which it has been shown that chemotherapy-induced autophagy in cancer cells is mandatory for the recruitment of myeloid cells into the tumor bed and the subsequent T lymphocyte-mediated reduction in tumor growth. Here, we characterized the chemotherapeutic response of melanomas caused by 4-hydroxy-tamoxifen-induced expression of the Cre recombinase in melanocytes that results in the activation of oncogenic Braf together with the inactivation of the tumor suppressor Pten, as well as the optional inactivation of the essential autophagy gene Atg7. Systemic chemotherapy with the anthracycline Mitoxantrone (MTX) reduced the growth of autophagy-competent melanomas (genotype: BrafCa/+; Ptenfl/fl; Atg7+/+), yet failed to affect the progression of autophagy-deficient melanomas (genotype: BrafCa/+; Ptenfl/fl; Atg7fl/fl). The growth-inhibitory effect of MTX on autophagy-competent melanomas was abolished by the combined depletion of CD4+ or CD8+ T lymphocytes. In conclusion, it appears that the success of chemotherapy against “spontaneous,” genetically induced cancers is governed by the same rules as those applicable to transplantable tumors.
doi:10.4161/21624011.2014.944047
PMCID: PMC4292732  PMID: 25610726
anthracycline; autophagy; cancer
16.  Mutational Landscape of the Essential Autophagy Gene BECN1 in Human Cancers 
Molecular cancer research : MCR  2014;12(4):485-490.
Evidence suggests that the catabolic process of macroautophagy (autophagy hereafter) can either suppress or promote cancer. The essential autophagy gene ATG6/BECN1 encoding the Beclinl protein has been implicated as a haploinsufficient tumor suppressor in breast, ovarian and prostate cancers. The proximity of BECN1 to the known breast and ovarian tumor suppressor breast cancer 1, early onset, BRCA1, on chromosome 17q21, has made this determination equivocal. Here the mutational status of BECN1 was assessed in human tumor sequencing data from The Cancer Genome Atlas (TCGA) and other databases. Large deletions encompassing both BRCA1 and BECN1, and deletions of only BRCA1 but not BECN1, were found in breast and ovarian cancers, consistent with BRCA1 loss being a primary driver mutation in these cancers. Furthermore, there was no evidence for BECN1 mutation or loss in any other cancer, casting doubt on whether BECN1 is a tumor suppressor in most human cancers.
doi:10.1158/1541-7786.MCR-13-0614
PMCID: PMC3989371  PMID: 24478461
autophagy; cancer; BECN1; BRCA1; TCGA; CNV; mutation
17.  Autophagy is Required for Glucose Homeostasis and Lung Tumor Maintenance 
Cancer discovery  2014;4(8):914-927.
Macroautophagy (autophagy hereafter) recycles intracellular components to sustain mitochondrial metabolism that promotes the growth, stress tolerance and malignancy of lung cancers, suggesting that autophagy inhibition may have antitumor activity. To assess the functional significance of autophagy in both normal and tumor tissue, we conditionally deleted the essential autophagy gene, autophagy-related-7, Atg7, throughout adult mice. Here we report that systemic ATG7 ablation caused susceptibility to infection and neurodegeneration that limited survival to 2–3 months. Moreover, upon fasting, autophagy-deficient mice suffered fatal hypoglycemia. Prior autophagy ablation did not alter the efficiency of non-small-cell lung cancer (NSCLC) initiation by activation of oncogenic KrasG12D and deletion of the Trp53 tumor suppressor. Acute autophagy ablation in mice with pre-existing NSCLC, however, blocked tumor growth, promoted tumor cell death, and generated more benign disease (oncocytomas). This anti-tumor activity occurred prior to destruction of normal tissues, suggesting that, acute autophagy inhibition may be therapeutically beneficial in cancer.
doi:10.1158/2159-8290.CD-14-0363
PMCID: PMC4125614  PMID: 24875857
autophagy; fasting; hypoglycemia; cancer; oncocytoma
18.  Targeting Mitochondrial Metabolism by Inhibiting Autophagy in Braf-driven Cancers 
Cancer discovery  2014;4(7):766-772.
Metabolomic analyses of human tumors and mouse models of cancer have identified key roles for autophagy in supporting mitochondrial metabolism and homeostasis. In this review, we highlight data suggesting that autophagy inhibition may be particularly effective in Braf-driven malignancies. Catalytic BRAF inhibitors have profound efficacy in tumors carrying activating mutations in Braf but are limited by the rapid emergence of resistance due in part to increased mitochondrial biogenesis and heightened rates of oxidative phosphorylation. We suggest that combined inhibition of autophagy and BRAF may overcome this limitation.
Significance
BrafV600E-driven tumors require autophagy and likely autophagy-provided substrates to maintain mitochondrial metabolism and to promote tumor growth, suggesting that autophagy ablation may improve cancer therapy.
doi:10.1158/2159-8290.CD-14-0196
PMCID: PMC4090279  PMID: 24860158
Autophagy; metabolism; oncocytoma; mitochondria; glutamine; BRAF
19.  Autophagy-Mediated Tumor Promotion 
Cell  2013;155(6):1216-1219.
Mouse models for cancer are revealing novel cancer-promoting roles for autophagy. Autophagy promotes tumor growth by suppressing the p53 response, maintaining mitochondrial function, sustaining metabolic homeostasis and survival in stress, and preventing diversion of tumor progression to benign oncocytomas.
doi:10.1016/j.cell.2013.11.019
PMCID: PMC3987898  PMID: 24315093
20.  Autophagy Sustains Mitochondrial Glutamine Metabolism and Growth of BRAFV600E–Driven Lung Tumors 
Cancer discovery  2013;3(11):10.1158/2159-8290.CD-13-0397.
Autophagic elimination of defective mitochondria suppresses oxidative stress and preserves mitochondrial function. Here, the essential autophagy gene Atg7 was deleted in a mouse model of BRAFV600E-induced lung cancer in the presence or absence of the tumor suppressor TRP53. Atg7 deletion initially induced oxidative stress and accelerated tumor cell proliferation in a manner indistinguishable from Nrf2 ablation. Compound deletion of Atg7 and Nrf2 had no additive effect suggesting that both genes modulate tumorigenesis by regulating oxidative stress, revealing a potential mechanism of autophagy-mediated tumor suppression. At later stages of tumorigenesis, Atg7 deficiency resulted in an accumulation of defective mitochondria, proliferative defects, reduced tumor burden, conversion of adenomas and adenocarcinomas to oncocytomas, and increased mouse lifespan. Autophagy-defective tumor-derived cell lines were impaired in their ability to respire, survive starvation and were glutamine-dependent, suggesting that autophagy-supplied substrates from protein degradation sustains BRAFV600E-tumor growth and metabolism.
doi:10.1158/2159-8290.CD-13-0397
PMCID: PMC3823822  PMID: 23965987
autophagy; BRAF; lung cancer; mitochondria; metabolism; NRF2
21.  Q&A: targeting autophagy in cancer—a new therapeutic? 
Cancer & Metabolism  2014;2:14.
Macroautophagy (autophagy hereafter) captures and degrades intracellular proteins and organelles in lysosomes as a quality control mechanism and recycles their components to sustain survival in starvation. Cellular self-cannibalization by autophagy is thought to have a context-dependent role in cancer. Autophagy inactivation is destructive to normal tissues and can promote cancer initiation while some established cancers upregulate autophagy that promotes their survival. We are only beginning to understand the role of autophagy in cancer and the precise mechanisms behind tumour suppression and promotion and the molecular and physiological contexts involved.
doi:10.1186/2049-3002-2-14
PMCID: PMC4160717  PMID: 25215185
Autophagy; Cancer; Metabolism; Lysosome; KRAS; BRAF
22.  TargetingTumor MetabolismWith 2-Deoxyglucose in Patients With Castrate-Resistant Prostate Cancer and Advanced Malignancies 
The Prostate  2010;70(13):1388-1394.
BACKGROUND
A profound difference between cancer and normal tissues is the preferential utilization of glycolysis by cancer cells. To translate this paradigm in the clinic, we completed a phase I study of 2-deoxyglucose (2DG), and assessed 2DG uptake with fluorodeoxyglucose (FDG) positron emission tomography (PET) and the autophagy substrate p62 as a marker of 2DG resistance.
METHODS
Patients received 2DG orally on days 1–14 of a 21-day cycle in cohorts of three in a dose-escalating manner. Correlative assessments included PET scans at baseline and day 2 and p62 protein in peripheral blood mononuclear cells as a potential marker of 2DG resistance.
RESULTS
The dose of 45 mg/kg was defined as the recommended phase II dose, secondary to dose-limiting toxicity of grade 3 asymptomatic QTc prolongation at a dose of 60 mg/kg. PK evaluation of 2DG revealed linear pharmacokinetics with Cmax 45 μg/ml (277 μM), 73.7 μg/ml (449 μM), and 122 μg/ml (744 μM) in dose levels 30, 45, and 60 mg/kg, respectively. Five of eight patients assessed with FDG-PET scanning demonstrated decreased FDG uptake by day 2 of therapy, suggesting competition of 2DG with FDG. Five of six patients assessed for p62 had a decrease in p62 at 24 hr.
CONCLUSIONS
These data support the safety of 2DG, defined 2DG PK, demonstrated the effect of 2DG on FDG-PET imaging, and demonstrated the feasibility of assessment of p62 as an autophagic resistance marker. These data support future studies of 2DG alone or in combination with approaches to abrogate autophagy.
doi:10.1002/pros.21172
PMCID: PMC4142700  PMID: 20687211
deoxyglucose; metabolism; prostate cancer; autophagy; p62
23.  Autophagy opposes p53-mediated tumor barrier to facilitate tumorigenesis in a model of PALB2-associated hereditary breast cancer 
Cancer discovery  2013;3(8):894-907.
Hereditary breast cancers stem from germline mutations in susceptibility genes such as BRCA1, BRCA2 and PALB2, whose products function in the DNA damage response and redox regulation. Autophagy is an intracellular waste disposal and stress mitigation mechanism important for alleviating oxidative stress and DNA damage response activation; it can either suppress or promote cancer, but its role in breast cancer is unknown. Here we show that, similar to Brca1 and Brca2, ablation of Palb2 in mouse mammary gland resulted in tumor development with long latency and the tumors harbored mutations in Trp53. Interestingly, impaired autophagy, due to monoallelic loss of the essential autophagy gene Becn1, reduced Palb2-associated mammary tumorigenesis in Trp53-wild type but not conditionally null background. These results indicate that, in the face of DNA damage and oxidative stress elicited by PALB2 loss, p53 is a barrier to cancer development, whereas autophagy facilitates cell survival and tumorigenesis.
doi:10.1158/2159-8290.CD-13-0011
PMCID: PMC3740014  PMID: 23650262
24.  Role of autophagy in K-RAS- and B-RAF-driven lung cancers 
Cancer & Metabolism  2014;2(Suppl 1):O11.
doi:10.1186/2049-3002-2-S1-O11
PMCID: PMC4072929

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