ArticleAging2022
PSMA3-AS1 induced by transcription factor PAX5 promotes cholangiocarcinoma proliferation, migration and invasion by sponging miR-376a-3p to up-regulate LAMC1.
Article in Aging, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.
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Who cites it
15 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.
- Role of long non-coding RNAs in cholangiocarcinoma: A systematic review and meta-analysis.Cancer reports (Hoboken, N.J.) · 2024Pooled it
- GLYR1-mediated downregulation of lncRNA HSD11B1-AS1 promotes proliferation, migration, and invasion of breast cancer cells.Medical oncology (Northwood, London, England) · 2025Article
- Prognostic value of LncRNA PSMA3-AS1 in prostate cancer and its potential regulatory mechanism.Hereditas · 2025Article
- Brevilin A Inhibits Prostate Cancer Progression by Decreasing PAX5-Activated SOX4.Molecular biotechnology · 2025Article
- LncRNAs, RNA Therapeutics, and Emerging Technologies in Liver Pathobiology.Seminars in liver disease · 2025Review
- Revisiting the Role of Long Non-coding RNA PSMA3-AS1 in Human Cancers: Current Evidence and Future Directions.Current pharmaceutical design · 2025Review
- The Diagnostic and Prognostic Potentials of Non-Coding RNA in Cholangiocarcinoma.International journal of molecular sciences · 2024Review
- HIF-1α-mediated LAMC1 overexpression is an unfavorable predictor of prognosis for glioma patients: evidence from pan-cancer analysis and validation experiments.Journal of translational medicine · 2024Article
- Current and Future Therapeutic Targets for Directed Molecular Therapies in Cholangiocarcinoma.Cancers · 2024Review
- Exosomal lncRNAs as diagnostic and therapeutic targets in multiple myeloma.Frontiers in oncology · 2024Review
- The Expression Patterns and Implications ofInternational journal of molecular sciences · 2023Article
- Long noncoding RNA PSMA3-AS1 functions as a competing endogenous RNA to promote gastric cancer progression by regulating the miR-329-3p/ALDOA axis.Biology direct · 2023Article
- PAX5 aberrant expression incorporated in MIPI-SP risk scoring system exhibits additive value in mantle cell lymphoma.Journal of molecular medicine (Berlin, Germany) · 2023Article
- Tertiary lymphoid structures predict the prognosis and immunotherapy response of cholangiocarcinoma.Frontiers in immunology · 2023Article
- Prognostic significance and identification of basement membrane-associated lncRNA in bladder cancer.Frontiers in oncology · 2022Article
Corrections and comments
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Long noncoding RNAs (lncRNAs) have been reported to exhibit a crucial regulatory role in tumor progression, including cholangiocarcinoma (CCA). As a promising lncRNA, proteasome 20S subunit alpha 3 antisense RNA 1 (PSMA3-AS1) is involved in development of various tumors. However, the role and function of PSMA3-AS1 in CCA remain unclear. The aim of this study is to examine the expression, function, mechanism, and clinical significance of PSMA3-AS1 in CCA development. By TCGA database analysis, we found that PSMA3-AS1 was overexpressed in CCA. Consistent with the TCGA analysis, PSMA3-AS1 was significantly overexpressed in CCA tissues and cells by RT-qPCR. Upregulated PSMA3-AS1 was related to lymph node invasion, advanced TNM stage and poor survival, and was an independent risk factor of prognosis for CCA patients. Functionally, CCK-8, EdU and colony formation assays confirmed that upregulated PSMA3-AS1 promoted CCA cell proliferation, whereas downregulated PSMA3-AS1 inhibited proliferation. This result was further confirmed by subcutaneous tumor formation in nude mice. Wound healing and transwell assays confirmed that increased PSMA3-AS1 promoted CCA cell migration and invasion, whereas decreased PSMA3-AS1 inhibited these biological phenotypes. In addition, PSMA3-AS1 promoted the EMT process of CCA by downregulating E-cadherin and upregulating N-cadherin and vimentin. Mechanistically, transcription factor PAX5 bound to the promoter region of PSMA3-AS1 and promoted its transcription. Simultaneously, PSMA3-AS1 primarily localized in the cytoplasm could competitively bind miR-376a-3p to upregulate LAMC1, thereby accelerating CCA progression. This study uncovers that PSMA3-AS1 functions as a cancer-promoting gene in CCA, and PAX5/PSMA3-AS1/miR-376a-3p/LAMC1 axis plays a vital role in CCA development.
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