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Jenkins, Russell W; Aref, Amir R; Lizotte, Patrick H; Ivanova, Elena; Stinson, Susanna; Zhou, Chensheng W; Bowden, Michaela; Deng, Jiehui; Liu, Hongye; Miao, Diana; He, Meng Xiao; Walker, William; Zhang, Gao; Tian, Tian; Cheng, Chaoran; Wei, Zhi; Palakurthi, Sangeetha; Bittinger, Mark; Vitzthum, Hans; Kim, Jong Wook; Merlino, Ashley; Quinn, Max; Venkataramani, Chandrasekar; Kaplan, Joshua A; Portell, Andrew; Gokhale, Prafulla C; Phillips, Bart; Smart, Alicia; Rotem, Asaf; Jones, Robert E; Keogh, Lauren; Anguiano, Maria; Stapleton, Lance; Jia, Zhiheng; Barzily-Rokni, Michal; Cañadas, Israel; Thai, Tran C; Hammond, Marc R; Vlahos, Raven; Wang, Eric S; Zhang, Hua; Li, Shuai; Hanna, Glenn J; Huang, Wei; Hoang, Mai P; Piris, Adriano; Eliane, Jean-Pierre; Stemmer-Rachamimov, Anat O; Cameron, Lisa; Su, Mei-Ju; Shah, Parin; Izar, Benjamin; Thakuria, Manisha; LeBoeuf, Nicole R; Rabinowits, Guilherme; Gunda, Viswanath; Parangi, Sareh; Cleary, James M; Miller, Brian C; Kitajima, Shunsuke; Thummalapalli, Rohit; Miao, Benchun; Barbie, Thanh U; Sivathanu, Vivek; Wong, Joshua; Richards, William G; Bueno, Raphael; Yoon, Charles H; Miret, Juan; Herlyn, Meenhard; Garraway, Levi A; Van Allen, Eliezer M; Freeman, Gordon J; Kirschmeier, Paul T; Lorch, Jochen H; Ott, Patrick A; Hodi, F Stephen; Flaherty, Keith T; Kamm, Roger D; Boland, Genevieve M; Wong, Kwok-Kin; Dornan, David; Paweletz, Cloud Peter; Barbie, David A
Cancer discovery, 02/2018, Letnik: 8, Številka: 2Journal Article
systems that incorporate features of the tumor microenvironment and model the dynamic response to immune checkpoint blockade (ICB) may facilitate efforts in precision immuno-oncology and the development of effective combination therapies. Here, we demonstrate the ability to interrogate response to ICB using murine- and patient-derived organotypic tumor spheroids (MDOTS/PDOTS). MDOTS/PDOTS isolated from mouse and human tumors retain autologous lymphoid and myeloid cell populations and respond to ICB in short-term three-dimensional microfluidic culture. Response and resistance to ICB was recapitulated using MDOTS derived from established immunocompetent mouse tumor models. MDOTS profiling demonstrated that TBK1/IKKε inhibition enhanced response to PD-1 blockade, which effectively predicted tumor response Systematic profiling of secreted cytokines in PDOTS captured key features associated with response and resistance to PD-1 blockade. Thus, MDOTS/PDOTS profiling represents a novel platform to evaluate ICB using established murine models as well as clinically relevant patient specimens. Resistance to PD-1 blockade remains a challenge for many patients, and biomarkers to guide treatment are lacking. Here, we demonstrate feasibility of profiling of PD-1 blockade to interrogate the tumor immune microenvironment, develop therapeutic combinations, and facilitate precision immuno-oncology efforts. .
