Effects of RNA Modification "Writers" of GALNT2 on the Tumor Microenvironment in Cervical Squamous Cell Carcinoma

基底细胞 癌症研究 宫颈癌 肿瘤微环境 核糖核酸 生物 医学 肿瘤科 病理 内科学 肿瘤细胞 基因 宫颈癌 癌症 遗传学
作者
Shizhang Wang,Lin Chen
出处
期刊:Journal of Environmental Pathology Toxicology and Oncology [Begell House]
卷期号:41 (4): 25-38
标识
DOI:10.1615/jenvironpatholtoxicoloncol.2022042887
摘要

Cervical squamous cell carcinoma (CESC) is one of the most common causes of cancer-related deaths in women. RNA modification "writers" modulate and alter RNA molecular activity and have been implicated in the origin and development of cancer. We explored the effects of RNA modification writers on the tumor microenvironment in CESC and their prognostic value. RNA modification writers were altered at the genetic and transcriptional levels in CESC sample data downloaded from The Cancer Genome Atlas and Gene Expression Omnibus databases. A principal component analysis (PCA) score model was established based on the genes screened by Cox regression analysis and random forest dimensionality reduction. A survival analysis of CESC patients revealed significant differences between patients with high and low scores. The gene set variation analysis method was used for a functional enrichment analysis. The relative abundance of immune cells in CESCs was quantified using the CIBERSORT algorithm. There were significant differences in multiple signaling pathways and immune cells between the patients with high and low scores. Based on Genomics of Drug Sensitivity in Cancer data, we analyzed the genetic mutations in CESCs and predicted the therapeutic effects of multiple anticancer drugs. Patients with high scores showed significant resistance. Finally, the N-acetylgalactosaminyltransferase 2 (GALNT2) was highly expressed in CESCs and was associated with multiple immune cells and the formation of the extracellular matrix. PCA score based on RNA modification writers is closely associated with immune infiltration in the tumor microenvironment and could be used as a reference for prognosis and medication in CESC patients.
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