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Shohei Koyama
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Journal Articles

Abstract 6134: Identifying the mechanism of acquired resistance against cancer immunotherapy targeting innate immunity

Free
Hitomi Nishinakamura, Sayoko Shinya, Takuma Irie, Shugo Sakihama, Takeo Naito, Keisuke Watanabe, Daisuke Sugiyama, Motohiro Tamiya, Tatsuya Yoshida, Tetsunari Hase, Takao Yoshida, Kennosuke Karube, Maeda Yuka, Shohei Koyama, Hiroyoshi Nishikawa
Journal: Cancer Research
Cancer Res (2025) 85 (8_Supplement_1): 6134.
https://doi.org/10.1158/1538-7445.AM2025-6134
Published: 21 April 2025
View articletitled, Abstract 6134: Identifying the mechanism of acquired resistance against cancer immunotherapy targeting innate immunity
Journal Articles

Abstract 2161: Improving the tumor microenvironment with liposomal gemcitabine, FF-10832, enhances the effects of immune checkpoint blockade

Free
Tadaaki Ioroi, Michie Morimoto, Hitomi Nishinakamura, Keisuke Watanabe, Shohei Koyama, Hiroyoshi Nishikawa, Mikinaga Mori, Susumu Shimoyama
Journal: Cancer Research
Cancer Res (2025) 85 (8_Supplement_1): 2161.
https://doi.org/10.1158/1538-7445.AM2025-2161
Published: 21 April 2025
View articletitled, Abstract 2161: Improving the tumor microenvironment with liposomal gemcitabine, FF-10832, enhances the effects of immune checkpoint blockade
Journal Articles

Abstract 5265: Targeting mtDNA dynamics enhances immunogenicity and sensitizes KRAS mutant cancers to PD-1 blockade

Free
Kosuke Tanaka, Yasuki Adachi, Miyuki Yoshiya, Takuya Owari, Tomoko Yamamori-Morita, Akihiro Ohashi, Susumu Kobayashi, Shohei Koyama, Hiroyoshi Nishikawa
Journal: Cancer Research
Cancer Res (2024) 84 (6_Supplement): 5265.
https://doi.org/10.1158/1538-7445.AM2024-5265
Published: 22 March 2024
View articletitled, Abstract 5265: Targeting mtDNA dynamics enhances immunogenicity and sensitizes KRAS mutant cancers to PD-1 blockade
Journal Articles

Abstract 2697: Simultaneous activation of innate immune suppressive components impairs antitumor efficacy of immunotherapy against the innate immune system

Free
Hitomi Nishinakamura, Sayoko Shinya, Takuma Irie, Shugo Sakihama, Tadaaki Ioroi, Takeo Naito, Keisuke Watanabe, Daisuke Sugiyama, Motohiro Tamiya, Tatsuya Yoshida, Tetsunari Hase, Takao Yoshida, Kennosuke Karube, Yuka Maeda, Shohei Koyama, Hiroyoshi Nishikawa
Journal: Cancer Research
Cancer Res (2024) 84 (6_Supplement): 2697.
https://doi.org/10.1158/1538-7445.AM2024-2697
Published: 22 March 2024
View articletitled, Abstract 2697: Simultaneous activation of innate immune suppressive components impairs antitumor efficacy of immunotherapy against the innate immune system
Journal Articles

Abstract 6686: The mechanism of gut microbiome-mediated immune activation on the clinical efficacy of PD-1 blocking treatment in solid tumors

Free
Nina Yi-Tzu Lin, Shota Fukuoka, Daisuke Motooka, Yuko Shigeno, Takuma Irie, Dieter M. Tourlousse, Kazutoshi Murotomi, Yuji Sekiguchi, Hideyuki Tamaki, Mariko Shindo, Takahiro Tsuji, Hiroaki Wake, Koichi Goto, Toshihiko Doi, Kohei Shitara, Keisuke Watanabe, Yuka Maeda, Shota Nakamura, Yoshimi Benno, Hiroyoshi Nishikawa, Shohei Koyama
Journal: Cancer Research
Cancer Res (2024) 84 (6_Supplement): 6686.
https://doi.org/10.1158/1538-7445.AM2024-6686
Published: 22 March 2024
View articletitled, Abstract 6686: The mechanism of gut microbiome-mediated immune activation on the clinical efficacy of PD-1 blocking treatment in solid tumors
Journal Articles

Abstract 1211: Biomarker analysis of pembrolizumab and ramucirumab neoadjuvant therapy for PD-L1-positive stage IB-IIIA lung cancer: EAST ENERGY trial

Free
Kotaro Nomura, Shogo Kumagai, Shohei Koyama, Keiju Aokage, Yoshihisa Shimada, Kiyotaka Yoh, Masashi Wakabayashi, Miki Fukutani, Hideki Furuya, Tomohiro Miyoshi, Kenta Tane, Joji Samejima, Tetsuro Taki, Takuo Hayashi, Jun Matsubayashi, Genichiro Ishii, Norihiko Ikeda, Hiroyoshi Nishikawa, Masahiro Tsuboi
Journal: Cancer Research
Cancer Res (2024) 84 (6_Supplement): 1211.
https://doi.org/10.1158/1538-7445.AM2024-1211
Published: 22 March 2024
View articletitled, Abstract 1211: Biomarker analysis of pembrolizumab and ramucirumab neoadjuvant therapy for PD-L1-positive stage IB-IIIA lung cancer: EAST ENERGY trial
Journal Articles

Abstract CT193: Final results from a phase I study to evaluate the safety and efficacy of a telomerase-specific oncolytic adenovirus (OBP-301) with pembrolizumab in patients with advanced solid tumors (EPOC1505)

Free
Takashi Kojima, Toshiyoshi Fujiwara, Shunsuke Tanabe, Tomoyuki Kadota, Hiromi Ono, Kazuko Tsukamoto, Takashi Ikeno, Masashi Wakabayashi, Akihiro Sato, Masanori Kondo, Shogo Kumagai, Shohei Koyama, Hiroyoshi Nishikawa, Toshihiko Doi
Journal: Cancer Research
Cancer Res (2023) 83 (8_Supplement): CT193.
https://doi.org/10.1158/1538-7445.AM2023-CT193
Published: 14 April 2023
View articletitled, Abstract CT193: Final results from a phase I study to evaluate the safety and efficacy of a telomerase-specific oncolytic adenovirus (OBP-301) with pembrolizumab in patients with advanced solid tumors (EPOC1505)
Journal Articles

Evasion of Innate Immunity Contributes to Small Cell Lung Cancer Progression and Metastasis

Free
Mingrui Zhu, Yi Huang, Matthew E. Bender, Luc Girard, Rahul Kollipara, Buse Eglenen-Polat, Yujiro Naito, Trisha K. Savage, Kenneth E. Huffman, Shohei Koyama, Atsushi Kumanogoh, John D. Minna, Jane E. Johnson, Esra A. Akbay
Journal: Cancer Research
Series: Author Choice
Cancer Res (2021) 81 (7): 1813–1826.
https://doi.org/10.1158/0008-5472.CAN-20-2808
Published: 01 April 2021
View articletitled, Evasion of Innate Immunity Contributes to Small Cell Lung Cancer Progression and Metastasis
Open the PDF for Evasion of Innate Immunity Contributes to Small Cell Lung Cancer Progression and Metastasis in another window
Includes: Supplementary data
Journal Articles

Abstract 3416: Clarifying the biological significance of the CHK2 K373E somatic mutation discovered in The Cancer Genome Atlas database

Free
Masayoshi Higashiguchi, Izumi Nagatomo, Takashi Kijima, Osamu Morimura, Kotaro Miyake, Toshiyuki Minami, Shohei Koyama, Haruhiko Hirata, Kota Iwahori, Takayuki Takimoto, Yoshito Takeda, Hiroshi Kida, Atsushi Kumanogoh
Journal: Cancer Research
Cancer Res (2017) 77 (13_Supplement): 3416.
https://doi.org/10.1158/1538-7445.AM2017-3416
Published: 01 July 2017
View articletitled, Abstract 3416: Clarifying the biological significance of the CHK2 K373E somatic mutation discovered in The Cancer Genome Atlas database
Journal Articles

STK11/LKB1 Deficiency Promotes Neutrophil Recruitment and Proinflammatory Cytokine Production to Suppress T-cell Activity in the Lung Tumor Microenvironment

Free
Shohei Koyama, Esra A. Akbay, Yvonne Y. Li, Amir R. Aref, Ferdinandos Skoulidis, Grit S. Herter-Sprie, Kevin A. Buczkowski, Yan Liu, Mark M. Awad, Warren L. Denning, Lixia Diao, Jing Wang, Edwin R. Parra-Cuentas, Ignacio I. Wistuba, Margaret Soucheray, Tran Thai, Hajime Asahina, Shunsuke Kitajima, Abigail Altabef, Jillian D. Cavanaugh, Kevin Rhee, Peng Gao, Haikuo Zhang, Peter E. Fecci, Takeshi Shimamura, Matthew D. Hellmann, John V. Heymach, F. Stephen Hodi, Gordon J. Freeman, David A. Barbie, Glenn Dranoff, Peter S. Hammerman, Kwok-Kin Wong
Journal: Cancer Research
Series: Author Choice
Cancer Res (2016) 76 (5): 999–1008.
https://doi.org/10.1158/0008-5472.CAN-15-1439
Published: 29 February 2016
View articletitled, STK11/LKB1 Deficiency Promotes Neutrophil Recruitment and Proinflammatory Cytokine Production to Suppress T-cell Activity in the Lung Tumor Microenvironment
Open the PDF for STK11/LKB1 Deficiency Promotes Neutrophil Recruitment and Proinflammatory Cytokine Production to Suppress T-cell Activity in the Lung Tumor Microenvironment in another window
Includes: Supplementary data
Journal Articles

Abstract 1355: Functional inactivation of LKB1 increases the production of pro-inflammatory cytokines and governs response to immune modulation

Free
Esra A. Akbay, Shohei Koyama, Yvonne Li, Grit S. Herter-Sprie, Tran C. Thai, Amir R. Aref, Margaret Soucheray, Takeshi Shimamura, David A. Barbie, Glenn Dranoff, Peter S. Hammerman, Kwok-Kin Wong
Journal: Cancer Research
Cancer Res (2015) 75 (15_Supplement): 1355.
https://doi.org/10.1158/1538-7445.AM2015-1355
Published: 01 August 2015
View articletitled, Abstract 1355: Functional inactivation of LKB1 increases the production of pro-inflammatory cytokines and governs response to immune modulation
Journal Articles

Increased expression of intracellular apoptotic signaling molecules, cFLIP, survivin and NF-κB in tumor and tumor-infiltrating lymphocytes in the progression of gastric carcinoma

Free
Shohei Koyama
Journal: Cancer Research
Cancer Res (2004) 64 (7_Supplement): 1007.
Published: 01 April 2004
View articletitled, Increased expression of intracellular apoptotic signaling molecules, cFLIP, survivin and NF-κB in tumor and tumor-infiltrating lymphocytes in the progression of gastric carcinoma
Journal Articles

Monoclonal Antibody against Human Gallbladder Carcinoma-associated Antigen

Free
Shohei Koyama, Ryozaburo Mukai, Katashi Fukao, Hirofumi Arimura, Yoji Iwasaki, Toshiaki Osuga
Journal: Cancer Research
Cancer Res (1987) 47 (17): 4667–4673.
Published: 01 September 1987
View articletitled, Monoclonal Antibody against Human Gallbladder Carcinoma-associated Antigen
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Journal Articles

Suppression of Cell-mediated Antitumor Immunity by Complete Freund's Adjuvant

Free
Shohei Koyama, Takayuki Yoshioka, Takao Sakita
Journal: Cancer Research
Cancer Res (1982) 42 (8): 3215–3219.
Published: 01 August 1982
View articletitled, Suppression of Cell-mediated Antitumor Immunity by Complete Freund's Adjuvant
Open the PDF for Suppression of Cell-mediated Antitumor Immunity by Complete Freund's Adjuvant in another window