Yoon Kyung Jeon
Seoul National University · 医学
研究室紹介
Professor Yoon Kyung Jeon's research lab focuses on the tumor microenvironment, particularly the interplay between immune checkpoint molecules like PD-L1 and PD-1, tumor-infiltrating immune cells, and cancer metabolism in various malignancies, including non-small cell lung cancer and diffuse large B-cell lymphoma. The lab investigates molecular mechanisms underlying immune evasion, such as the regulation of PD-L1 by oncogenic drivers like EML4-ALK and the role of immune cell subsets like tumor-associated macrophages and Tregs in disease progression and prognosis. Additionally, the lab explores oncogenic signaling pathways, including Pellino-1-mediated ubiquitination, in tumorigenesis and metabolic reprogramming in cancer cells. Their work integrates clinical pathology with molecular oncology to identify novel therapeutic targets and biomarkers.
Research Overview
Research Output Trend
Figures are computed from collected data and may differ slightly.
Selected Papers
15Programmed cell death (PD)-1/PD-1 ligand-1 (PD-L1)-targeted therapy has emerged as a promising therapeutic strategy for lung cancer. However, whether EML4-ALK regulates PD-L1 expression in lung cancer remains unknown. A total of 532 pulmonary adenocarcinomas (pADCs), including 58 ALK-translocated tumors, were immunohistochemically evaluated for PD-L1 and PD-1. H23 (EGFRWild-typeEML4-ALK−PD-L1Low) and H2228 (EGFRWild-typeEML4-ALK+PD-L1High) cells were transfected with EML4-ALK or ALK short interf
AIMS: To investigate the clinicopathological characteristics of programmed cell death ligand 1 (PD-L1) and programmed cell death 1 (PD-1) expression in the tumour microenvironments of diffuse large B cell lymphoma (DLBCL). METHODS AND RESULTS: Tumour tissues from 126 DLBCL patients were immunostained for PD-L1 and PD-1. The expression of PD-L1 by tumour cells and/or tumour-infiltrating immune cells (mainly macrophages) was evaluated, and the number of tumour-infiltrating PD-1(+) cells was assess
Tumor-associated macrophages (TAMs) and regulatory T-cells (Tregs) play an important role in the tumor microenvironment. Here, we investigated the prognostic implications of TAMs and Tregs in 165 diffuse large B-cell lymphomas (DLBCLs) using immunohistochemistry. Survival analysis was performed among 109 DLBCLs treated with rituximab, cyclophosphamide, doxorubicin, vincristine and prednisone (R-CHOP). An increase in CD68 (+) cells was related to improved overall survival (OS) (p = 0.033). By con
Abstract Background We investigated the role of PD-L1 in the metabolic reprogramming of non-small cell lung cancer (NSCLC). Methods Changes in glycolysis-related molecules and glycolytic activity were evaluated in PD-L1 low and PD-L1 high NSCLC cells after transfection or knockdown of PD-L1 , respectively. Jurkat T-cell activation was assessed after co-culture with NSCLC cells. The association between PD-L1 and immune response-related molecules or glycolysis were analyzed in patients with NSCLC
Pellino-1 is an E3 ubiquitin ligase acting as a critical mediator for a variety of immune receptor signaling pathways, including Toll-like receptors, interleukin-1 receptor and T-cell receptors. We recently showed that the Pellino-1-transgenic (Tg) mice developed multiple tumors with different subtypes in hematolymphoid and solid organs. However, the molecular mechanism underlying the oncogenic role of Pellino-1 in solid tumors remains unknown. Pellino-1-Tg mice developed adenocarcinoma in the l
Research Areas
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