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Published in: BMC Cancer 1/2024

Open Access 01-12-2024 | Gastric Cancer | Research

Comprehensive analysis of T-cell regulatory factors and tumor immune microenvironment in stomach adenocarcinoma

Authors: Shuchang Wang, Weifeng Zhang, Xinrui Wu, Zhu Zhu, Yuanbiao Chen, Wangrui Liu, Junnfei Xu, Li Chen, Chun Zhuang

Published in: BMC Cancer | Issue 1/2024

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Abstract

Background

Gastric cancer (GC) is one of the most prevalent malignant tumors worldwide and is associated with high morbidity and mortality rates. However, the specific biomarkers used to predict the postoperative prognosis of patients with gastric cancer remain unknown. Recent research has shown that the tumor microenvironment (TME) has an increasingly positive effect on anti-tumor activity. This study aims to build signatures to study the effect of certain genes on gastric cancer.

Methods

Expression profiles of 37 T cell-related genes and their TME characteristics were comprehensively analyzed. A risk signature was constructed and validated based on the screened T cell-related genes, and the roles of hub genes in GC were experimentally validated.

Results

A novel T cell-related gene signature was constructed based on CD5, ABCA8, SERPINE2, ESM1, SERPINA5, and NMU. The high-risk group indicated lower overall survival (OS), poorer immune efficacy, and higher drug resistance, with SERPINE2 promoting GC cell proliferation, according to experiments. SERPINE2 and CXCL12 were significantly correlated, indicating poor OS via the Youjiang cohort.

Conclusions

This study identified T cell-related genes in patients with stomach adenocarcinoma (STAD) for prognosis estimation and proposed potential immunotherapeutic targets for STAD.
Appendix
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Metadata
Title
Comprehensive analysis of T-cell regulatory factors and tumor immune microenvironment in stomach adenocarcinoma
Authors
Shuchang Wang
Weifeng Zhang
Xinrui Wu
Zhu Zhu
Yuanbiao Chen
Wangrui Liu
Junnfei Xu
Li Chen
Chun Zhuang
Publication date
01-12-2024
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2024
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-024-12302-w

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