LRRC59 serves as a novel biomarker for predicting the progression and prognosis of bladder cancer

作者全名："Zhang, Peng; Xie, Xiaodu; Li, Chunming; Zhang, Chaohua; Liang, Peihe"

作者地址："[Zhang, Peng; Xie, Xiaodu; Liang, Peihe] Chongqing Med Univ, Affiliated Hosp 2, Dept Urol, Chongqing 400010, Peoples R China; [Li, Chunming] Chongqing Med Univ, Affiliated Hosp 2, Dept Hepatobiliary Surg, Chongqing, Peoples R China; [Zhang, Chaohua] Chongqing Med Univ, Affiliated Hosp 2, Dept Gastrointestinal Surg, Chongqing, Peoples R China"

通信作者："Liang, PH (通讯作者)，Chongqing Med Univ, Affiliated Hosp 2, Dept Urol, Chongqing 400010, Peoples R China."

来源：CANCER MEDICINE

ESI学科分类：CLINICAL MEDICINE

WOS号：WOS:001093075200001

JCR分区：Q2

影响因子：2.9

年份：2023

卷号：　

期号：　

开始页：　

结束页：　

文献类型：Article; Early Access

关键词：bioinformatics; bladder cancer; cell proliferation; LRRC59; migration; prognosis

摘要："BackgroundLeucine-rich repeat-containing protein 59 (LRRC59) is an endoplasmic reticulum membrane protein involved in various cancers, but its role in bladder cancer (BC) has not been reported. The aim of the present study was to investigate the role of LRRC59 protein in BC progression and prognosis.MethodsThe expression profile and clinical significance were retrieved from BC patients in the Cancer Genome Atlas database. The methylation status of LRRC59 was analyzed by UALCAN and MethSurv databases. Potential signaling pathways and biological functions were explored by functional enrichment analysis. Immunocyte infiltration was evaluated by CIBERSORT analysis. The prognostic value of LRRC59 was evaluated by Kaplan-Meier and Cox regression analyses. Overall survival (OS) was predicted by the nomogram plot established in this study. LRRC59 expression in 10 pairs BC and adjacent noncancerous tissues were analyzed by immunohistochemistry (IHC). Cell proliferation, migration, and invasion were detected by CCK8, colony formation assay, transwell assay, and cell scratch assay, respectively. Proteins related to epithelial-mesenchymal transition and apoptosis were detected by western blot.ResultsLRRC59 overexpression significantly decreased OS, disease-specific survival, and progress-free interval of BC patients. LRRC59 was a prognostic marker for OS and its hypomethylation status signified a poor prognosis. LRRC59 overexpression was correlated with infiltration of resting memory CD4 T cells, memory activated CD4 T cells, resting NK cells, macrophages M0, M1, M2, and neutrophils. IHC showed that the LRRC59 expression in BC tissue was significantly higher than that in adjacent noncancerous tissue. Knockdown of LRRC59 expression inhibited the proliferation of BC cells and reduced their migratory ability. Western blot showed that Snail and vimentin protein expressions decreased, while E-cadherin expressions increased.ConclusionsLRRC59 expression can predict the outcome of BC independently and serve as a new biomarker for diagnosis."

基金机构：We thank Professor Guilian Xu for her help in the design and experimental support of this research topic.

基金资助正文：We thank Professor Guilian Xu for her help in the design and experimental support of this research topic.