Wei Guo, Shuo Zhao, Keqiang Yan, Yidong Fan, Jikai Liu
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引用次数: 0
Abstract
Introduction: Establishment of sister chromatid cohesion N-acetyltransferase 2 (ESCO2), a member of the EFO2 family, is implicated in the pathogenesis and progression of various cancers. However, there has been limited comprehensive pan-cancer analysis conducted on ESCO2 thus far.
Methods: Publicly available databases, such as the UCSC Xena database, were utilized to examine differential expression patterns across various cancer types. In addition, variations in expression levels were investigated across distinct clinical stages. Univariate Cox regression and Kaplan-Meier survival analyses were conducted to evaluate the impact on overall survival (OS), disease-specific survival (DSS), disease-free interval (DFI), and progression-free interval (PFI) at the pan-cancer level. The correlation between ESCO2 expression and immune cell infiltration was examined to gain insight into the tumor microenvironment (TME) in different cancers. The results of the bioinformatic analysis were validated using immunotherapy clinical trials and pathological specimens. CCK-8 and Transwell assay experiments were performed to investigate the biological function of ESCO2.
Results: ESCO2 expression was found to be upregulated in most cancers, with a correlation to TNM stages. Prognostic analysis indicated that overexpression of ESCO2 was associated with poor prognosis in various cancers. Furthermore, the correlation between ESCO2 expression and immune cell infiltration suggested its potential as a predictor for immunotherapy efficacy. Notably, ESCO2 expression showed positive associations with immunoinhibitor, immunostimulator, major histocompatibility complex (MHC) molecule, chemokine receptor, tumor mutation burden (TMB), and microsatellite instability (MSI) levels in bladder cancer (BLCA). The validation cohort for immunotherapy corroborated these findings and substantiated that ESCO2 could function as an autonomous prognostic biomarker and a promising target for cancer treatment via immunotherapy. In addition, in vitro experiments confirmed the role of ESCO2 in influencing the proliferation, invasion, and migration of BLCA cells.
Conclusion: ESCO2 participates in regulating the immune infiltration and affecting the prognosis of patients in many cancers, especially in BLCA. ESCO2 may serve as a prognostic and immunotherapy biomarker in future treatment of human cancer.
期刊介绍：
Although laboratory and clinical cancer research need to be closely linked, observations at the basic level often remain removed from medical applications. This journal works to accelerate the translation of experimental results into the clinic, and back again into the laboratory for further investigation. The fundamental purpose of this effort is to advance clinically-relevant knowledge of cancer, and improve the outcome of prevention, diagnosis and treatment of malignant disease. The journal publishes significant clinical studies from cancer programs around the world, along with important translational laboratory findings, mini-reviews (invited and submitted) and in-depth discussions of evolving and controversial topics in the oncology arena. A unique feature of the journal is a new section which focuses on rapid peer-review and subsequent publication of short reports of phase 1 and phase 2 clinical cancer trials, with a goal of insuring that high-quality clinical cancer research quickly enters the public domain, regardless of the trial’s ultimate conclusions regarding efficacy or toxicity.
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