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RBM6 promotes tumor cell apoptosis and disrupts the alternative splicing of related genes in HeLa cells

ABSTRACT: RNA binding proteins have important functions in tumorigenesis; therefore, their regulatory mechanisms should be further explored. The present study aimed to determine the regulatory roles of RNA binding motif protein 6 (RBM6) in transcription and alternative splicing in Hela cells. RBM6 expression levels and its effect on the prognosis of different tumors in The Cancer Genome Atlas database were analyzed using TIMER2.0. Short hairpin RNA was used to ablate RBM6 expression in HeLa cells. Differentially expressed genes and alternative splicing events in Hela cells were assessed using RNA sequencing and quantitative real-time reverse transcription polymerase chain reaction. RBM6 was identified as a prognostic marker for bladder urothelial carcinoma, kidney renal clear cell carcinoma, mesothelioma, and pancreatic adenocarcinoma. Knockdown of RBM6 promoted cell proliferation. In Hela cells, RMB6 regulated the expression and alternative splicing of many genes involved in tumorigenesis_x001E_related pathways, including ‘apoptotic process’, ‘mitotic cell cycle’, and ‘RNA splicing’. RBM6-regulated alternatively spliced genes (DIABLO (Diablo IAP-binding mitochondrial protein), PAK4 (P21 (RAC1) activated kinase 4) and ERCC2 (ERCC excision repair 2, TFIIH core complex helicase subunit)) were subjected to quantitative real-time reverse transcription polymerase chain reaction validation, which demonstrated the same expression trends as the RNA sequencing results. Our findings showed that RBM6 affects tumorigenesis and cancer progression by disrupting alternative splicing in HeLa cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE196600 | GEO | 2023/10/17

REPOSITORIES: GEO

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