ITGA5 Is a Novel Oncogenic Biomarker and Correlates With Tumor Immune Microenvironment in Gliomas

被引:32
作者
Li, Shuyu [1 ]
Zhang, Nan [2 ]
Liu, Shiyang [1 ]
Zhang, Hao [3 ]
Liu, Jiajing [4 ]
Qi, Yiwei [5 ]
Zhang, Qi [6 ]
Li, Xingrui [1 ]
机构
[1] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Thyroid & Breast Surg, Wuhan, Peoples R China
[2] Harbin Med Univ, Coll Bioinformat Sci & Technol, Lab 1 3, Harbin, Peoples R China
[3] Cent South Univ, Xiangya Hosp, Dept Neurosurg, Changsha, Peoples R China
[4] Fujian Univ Tradit Chinese Med, Affiliated Peoples Hosp, Dept Neurol, Fuzhou, Peoples R China
[5] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Neurosurg, Wuhan, Peoples R China
[6] Huazhong Univ Sci & Technol, Tongji Hosp, Tongji Med Coll, Dept Plast & Cosmet Surg, Wuhan, Peoples R China
来源
FRONTIERS IN ONCOLOGY | 2022年 / 12卷
基金
中国国家自然科学基金;
关键词
glioma; ITGA5; tumor microenvironment; immune cells (ICs); immune checkpoint; INTEGRIN; EXPRESSION; INHIBITOR; MIGRATION; ADHESION;
D O I
10.3389/fonc.2022.844144
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Gliomas are the most aggressive primary intracranial malignancies with poor overall survival. ITGA5 is one member of the integrin adhesion molecule family and is implicated in cancer metastasis and oncogenesis. However, few studies have explored the association between tumor immune microenvironment and ITGA5 expression level in gliomas. Firstly, we analyzed 3,047 glioma patient samples collected from the TCGA, the CGGA, and the GEO databases, proving that high ITGA5 expression positively related to aggressive clinicopathological features and poor survival in glioma patients. Then, based on the ITGA5 level, immunological characteristics and genomic alteration were explored through multiple algorithms. We observed that ITGA5 was involved in pivotal oncological pathways, immune-related processes, and distinct typical genomic alterations in gliomas. Notably, ITGA5 was found to engage in remolding glioma immune infiltration and immune microenvironment, manifested by higher immune cell infiltration when ITGA5 is highly expressed. We also demonstrated a strong correlation between ITGA5 and immune checkpoint molecules that may be beneficial from immune checkpoint blockade strategies. In addition, ITGA5 was found to be a robust and sensitive indicator for plenty of chemotherapy drugs through drug sensitivity prediction. Altogether, our comprehensive analyses deciphered the prognostic, immunological, and therapeutic value of ITGA5 in glioma, thus improving individual and precise therapy for combating gliomas.
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页数:15
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