- Genitourinary cancer
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Clinical Outcomes of Small Cell Carcinoma of the Genitourinary Tract and the Prognostic Significance of the Tumor Immune Microenvironment
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Jaewon Hyung, Hyung-Don Kim, Gi Hwan Kim, Yong Mee Cho, Yeon-Mi Ryu, Sang-Yeob Kim, Inkeun Park, Shinkyo Yoon, Jae Lyun Lee
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Cancer Res Treat. 2024;56(2):624-633. Published online November 29, 2023
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DOI: https://doi.org/10.4143/crt.2023.1076
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 Abstract
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- Purpose
Small cell carcinoma of the genitourinary tract (GU SCC) is a rare disease with a poor prognosis. There are only limited treatment options due to insufficient understanding of the disease. In this study, we analyzed the clinical outcomes of patients with GU SCC and their association with the tumor immune phenotype.
Materials and Methods
Patients diagnosed with GU SCC were included. Survival outcomes according to the primary location (prostate and non-prostate) and stages (limited disease [LD] and extensive disease [ED]) were analyzed. We performed multiplex immunohistochemistry (IHC) in non-prostate SCC patients and analyzed the immune cell population.
Results
A total of 77 patients were included in this study. Their median age was 71 years, 67 patients (87.0%) were male, and 48 patients (62.3%) had non-prostate SCC. All patients with ED (n=31, 40.3%) received etoposide plus platinum (EP) as initial treatment and median overall survival (OS) was 9.7 months (95% confidence interval [CI], 7.1 to 18.6). Patients with LD (n=46, 59.7%) received EP followed by radiotherapy or surgery, and 24-months OS rate was 63.6% (95% CI, 49.9 to 81.0). The multiplex IHC analysis of 21 patients with non-prostate SCC showed that patients with a higher density of programmed death-ligand 1–expressing CD68+CD206+ M2-like macrophages had significantly worse OS outcomes with an adjusted hazards ratio of 4.17 (95% CI, 1.25 to 14.29; adjusted p=0.02).
Conclusion
Patients with GU SCC had a poor prognosis, even those with localized disease. The tumor immune phenotypes were significantly associated with survival. This finding provides new insights for treating GU SCC.
- Gastrointestinal cancer
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Spatial Distribution and Prognostic Implications of Tumor-Infiltrating FoxP3- CD4+ T Cells in Biliary Tract Cancer
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Hyung-Don Kim, Jwa Hoon Kim, Yeon-Mi Ryu, Danbee Kim, Sunmin Lee, Jaehoon Shin, Seung-Mo Hong, Ki-Hun Kim, Dong‐Hwan Jung, Gi‐Won Song, Dae Wook Hwang, Jae Hoon Lee, Ki Byung Song, Baek-Yeol Ryoo, Jae Ho Jeong, Kyu-pyo Kim, Sang-Yeob Kim, Changhoon Yoo
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Cancer Res Treat. 2021;53(1):162-171. Published online August 31, 2020
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DOI: https://doi.org/10.4143/crt.2020.704
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Abstract
PDFSupplementary MaterialPubReaderePub
- Purpose
The clinical implications of tumor-infiltrating T cell subsets and their spatial distribution in biliary tract cancer (BTC) patients treated with gemcitabine plus cisplatin were investigated.
Materials and Methods
A total of 52 BTC patients treated with palliative gemcitabine plus cisplatin were included. Multiplexed immunohistochemistry was performed on tumor tissues, and immune infiltrates were separately analyzed for the stroma, tumor margin, and tumor core.
Results
The density of CD8+ T cells, FoxP3- CD4+ helper T cells, and FoxP3+ CD4+ regulatory T cells was significantly higher in the tumor margin than in the stroma and tumor core. The density of LAG3- or TIM3-expressing CD8+ T cell and FoxP3- CD4+ helper T cell infiltrates was also higher in the tumor margin. In extrahepatic cholangiocarcinoma, there was a higher density of T cell subsets in the tumor core and regulatory T cells in all regions. A high density of FoxP3- CD4+ helper T cells in the tumor margin showed a trend toward better progression-free survival (PFS) (p=0.092) and significantly better overall survival (OS) (p=0.012). In multivariate analyses, a high density of FoxP3- CD4+ helper T cells in the tumor margin was independently associated with favorable PFS and OS.
Conclusion
The tumor margin is the major site for the active infiltration of T cell subsets with higher levels of LAG3 and TIM3 expression in BTC. The density of tumor margin-infiltrating FoxP3- CD4+ helper T cells may be associated with clinical outcomes in BTC patients treated with gemcitabine plus cisplatin.
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Citations
Citations to this article as recorded by  - Deciphering the tumor immune microenvironment from a multidimensional omics perspective: insight into next-generation CAR-T cell immunotherapy and beyond
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Biomedicine & Pharmacotherapy.2024; 177: 117080. CrossRef - Focusing on the Immune Cells: Recent Advances in Immunotherapy for Biliary Tract Cancer
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Chaoqun Li, Lei Bie, Muhua Chen, Jieer Ying
Exploration of Targeted Anti-tumor Therapy.2023; 4(6): 1310. CrossRef - Dynamic increase of M2 macrophages is associated with disease progression of colorectal cancers following cetuximab-based treatment
Hyung-Don Kim, Sun Young Kim, Jihun Kim, Jeong Eun Kim, Yong Sang Hong, Buhm Han, Eunyoung Tak, Yeon-Mi Ryu, Sang-Yeob Kim, Tae Won Kim
Scientific Reports.2022;[Epub] CrossRef - Up-to-Date Pathologic Classification and Molecular Characteristics of Intrahepatic Cholangiocarcinoma
Taek Chung, Young Nyun Park
Frontiers in Medicine.2022;[Epub] CrossRef - The role of tumor-infiltrating lymphocytes in cholangiocarcinoma
Dong Liu, Lara Rosaline Heij, Zoltan Czigany, Edgar Dahl, Sven Arke Lang, Tom Florian Ulmer, Tom Luedde, Ulf Peter Neumann, Jan Bednarsch
Journal of Experimental & Clinical Cancer Research.2022;[Epub] CrossRef - Clinical implications of the tumor microenvironment using multiplexed immunohistochemistry in patients with advanced or metastatic renal cell carcinoma treated with nivolumab plus ipilimumab
Jwa Hoon Kim, Gi Hwan Kim, Yeon-Mi Ryu, Sang-Yeob Kim, Hyung-Don Kim, Shin Kyo Yoon, Yong Mee Cho, Jae Lyun Lee
Frontiers in Oncology.2022;[Epub] CrossRef - Spatial architecture of the immune microenvironment orchestrates tumor immunity and therapeutic response
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Journal of Hematology & Oncology.2021;[Epub] CrossRef
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