Integrated analysis of ncRNA in hepatocellular carcinoma with CTNNB1 mutations reveals miR-205-5p and miR-3940-3p Axes
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View abstract on PubMed
Summary
This summary is machine-generated.Catenin beta 1 (CTNNB1) mutations influence hepatocellular carcinoma (HCC) progression through distinct non-coding RNA (ncRNA) regulatory axes. These axes differentially impact HCC cell proliferation, offering new insights into CTNNB1's controversial role.
Area Of Science
- Oncology
- Molecular Biology
- Genetics
Background
- Catenin beta 1 (CTNNB1) mutations are frequent in hepatocellular carcinoma (HCC) but their precise role in disease progression remains debated.
- Understanding the molecular mechanisms linking CTNNB1 mutations to HCC is crucial for targeted therapies.
Purpose Of The Study
- To investigate the impact of CTNNB1 mutations on non-coding RNA (ncRNA) regulation in HCC.
- To identify specific ncRNA-mRNA regulatory axes associated with CTNNB1 mutations.
- To elucidate the functional roles of these axes in HCC cell proliferation.
Main Methods
- Whole transcriptome sequencing of HCC tumor samples with wild-type and mutated CTNNB1.
- Quantitative PCR (qPCR) validation of selected ncRNAs and mRNAs in a larger HCC cohort.
- Functional verification of ncRNA regulatory axes in HCC cells using miRNA mimics and inhibitors.
Main Results
- Construction of a differentially expressed lncRNA/circRNA-miRNA-mRNA network influenced by CTNNB1 mutations.
- Validation of key RNA molecules including TXNRD1, CES1, MATN2, SERPINA5, lncRNA STAT4-210, hsa_circ_0007824, hsa_circ_0008234, hsa-miR-205-5p, and hsa-miR-199a-5p.
- Identification of two regulatory axes, GLIS3-209/circ_0085440-miR-205-5p-GHRHR (inhibitory) and WNK2-213-miR-3940-3p-LY6E (promotional), affecting HCC cell proliferation.
Conclusions
- CTNNB1 mutations are associated with distinct ncRNA regulatory axes in HCC.
- These axes exhibit opposing effects on HCC cell proliferation, highlighting their functional significance.
- The study provides novel molecular insights into the complex and controversial role of CTNNB1 in hepatocellular carcinoma.
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