Identification of CD28 and PTEN as novel prognostic markers for cervical cancer

甲基化 DNA甲基化 宫颈癌 基因 PTEN公司 肿瘤科 基因签名 生物 癌症 内科学 医学 遗传学 基因表达 PI3K/AKT/mTOR通路 细胞凋亡
作者
Fujin Shen,Hongyun Zheng,Limei Zhou,Wei Li,Juan Liu,Xuexian Xu
出处
期刊:Journal of Cellular Physiology [Wiley]
卷期号:234 (5): 7004-7011 被引量:16
标识
DOI:10.1002/jcp.27453
摘要

Abstract Cervical cancer (CC) is the most common malignant tumor with poor clinical outcome among women. Identification of novel biomarkers could be beneficial for the clinical diagnosis and treatment of CC. This study aimed to identify prognostic biomarkers for the prediction of prognostic status of CC patients, and explore the effect of the corresponding methylated genes in the occurrence and development of CC. The methylation microarray data of CC was extracted from The Cancer Genome Atlas (TCGA) dataset. The methylation genes associated with the prognostic status were identified based on the information of the relapse‐free survival (RFS) of the CC patients. The prognostic gene pairs were further identified. Then, the prognostic signature was identified by the forward search algorithm based on the C ‐index method. The results were validated by independent dataset. Finally, the functional analysis was performed on the methylation genes. A total of 276 methylation genes and 2508 gene pairs associated with the prognostic status of the CC were identified. A signature composed of eight methylation gene pairs was obtained to predict the prognostic status of cervical patients. A series of genes that played an important role in the occurrence and development of CC were obtained by the functional enrichment analysis. To summary, a prognostic signature consisting of eight methylation gene pairs was obtained. Of note, the CD28 and PTEN gene pair were found to play important roles in the occurrence and development of CC.
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