ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2024
Splicing Factor PQBP1 Curtails BAX Expression to Promote Ovarian Cancer Progression.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 7 citations in OpenAlex.
- Disrupted PQBP1-HNRNPU-LINE-1 axis underlies aberrant neurodevelopment in renpenning syndrome.Molecular psychiatry · 2026Article
- Deconvoluting the multi-faceted roles of alternative splicing events in cancer: From underlying mechanisms to innovative therapeutics.Acta pharmaceutica Sinica. B · 2026Review
- RNA splicing in health and disease.Molecular biomedicine · 2026Review
- Disruption of the SNRPF-DDX24-E2F4 Feedback Loop Uncouples Splicing and Transcriptional Regulation to Suppress Ovarian Cancer Progression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- SNRPD2-CPSF7-UBE2K axis drives ovarian cancer progression via alternative splicing-polyadenylation crosstalk.Oncogene · 2026Article
- JAB1/CRL4B complex represses PPARG/ACSL5 expression to promote breast tumorigenesis.Cell death and differentiation · 2026Article
- RNA splicing in cancer cell death regulation: shedding light on the molecular mechanisms and potential clinical applications.Cell death & disease · 2026Review
- Pharmacological targeting of SF3a1-MDM4 splicing vulnerability in ovarian cancer with rifaximin and antisense oligonucleotide.Journal of translational medicine · 2026Article
- A Bioinformatics Analysis on the Subtypes of Hepatocellular Carcinoma Related to RNA Processing Genes to Reveal Prognosis and Immune Microenvironment Features.Digestive diseases and sciences · 2025Article
- Comprehensive systems biology analysis reveals splicing factor contributions to cutaneous melanoma progression.Scientific reports · 2025Article
- Targeting RNA splicing modulation: new perspectives for anticancer strategy?Journal of experimental & clinical cancer research : CR · 2025Review
- Alternative splicing in ovarian cancer.Cell communication and signaling : CCS · 2024Review
- Splicing Factor PQBP1 Curtails BAX Expression to Promote Ovarian Cancer Progression.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
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Authors and funding
14 authors at 5 institutions in 5 countries.
Funding
Abstract
Splicing factor polyglutamine binding protein-1 (PQBP1) is abundantly expressed in the central nervous system during development, and mutations in the gene cause intellectual disability. However, the roles of PQBP1 in cancer progression remain largely unknown. Here, it is shown that PQBP1 overexpression promotes tumor progression and indicates worse prognosis in ovarian cancer. Integrative analysis of spyCLIP-seq and RNA-seq data reveals that PQBP1 preferentially binds to exon regions and modulates exon skipping. Mechanistically, it is shown that PQBP1 regulates the splicing of genes related to the apoptotic signaling pathway, including BAX. PQBP1 promotes BAX exon 2 skipping to generate a truncated isoform that undergoes degradation by nonsense-mediated mRNA decay, thus making cancer cells resistant to apoptosis. In contrast, PQBP1 depletion or splice-switching antisense oligonucleotides promote exon 2 inclusion and thus increase BAX expression, leading to inhibition of tumor growth. Together, the results demonstrate an oncogenic role of PQBP1 in ovarian cancer and suggest that targeting the aberrant splicing mediated by PQBP1 has therapeutic potential in cancer treatment.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.