• Medicine · May 2023

    In silico analysis reveals PRR11 as a prognostic and oncogenic marker in lung adenocarcinoma.

    • Ankang Hu, Kaicheng Tang, Jing Liu, Xufeng Han, and Quangang Chen.
    • Laboratory Animal Center of Xuzhou Medical University, Xuzhou, Jiangsu, China.
    • Medicine (Baltimore). 2023 May 26; 102 (21): e33755e33755.

    AbstractLung adenocarcinoma (LUAD) is a common lung cancer. Although there are various treatments for LUAD, its prognosis remains poor. Therefore, it is imperative to identify new targets and develop novel therapeutic strategies. In this study, we analyze the expression of proline rich 11 (PRR11) in pan cancer based on The Cancer Genome Atlas (TCGA) database, and explore the prognostic value of PRR11 in LUAD by GEPIA2 (Gene Expression Profiling Interactive Analysis, version 2) database. In addition, the relationship between PRR11 and the clinicopathological features of LUAD was analyzed using UALCAN database. The association between PRR11 expression and immune infiltration was accessed. The PRR11 related genes were screened using LinkOmics and GEPIA2. Gene Ontology Term Enrichment (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis was performed by David database. The results suggested that the expression of PRR11 in most tumor tissues was significantly higher than that in normal tissues. In LUAD patients, high expression of PRR11 was associated with shortened first progression survival (FPS), overall survival (OS) and post progression survival (PPS), and correlated with individual cancer stage, race, gender, smoking habit, and tissue subtype. Besides, the high expression of PRR11 was accompanied by a relatively higher infiltration level of cancer-associated fibroblasts (CAFs) and myeloid-derived suppressor cell (MDSC), and decreased infiltration level of CD8+ T cells in the tumor microenvironment. GO analyses showed that PRR11 participated in biological processes such as cell division and cell cycle, and was involved in protein binding and microtubule binding functions. KEGG analyses revealed that PRR11 was implicated in p53 signaling pathway. All the results indicated that PRR11 might be an independent prognostic biomarker and therapeutic target for LUAD.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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