Integrated Exploration of Epigenetic Dysregulation Reveals a Stemness/EMT Subtype and MMP12 Linked to the Progression and Prognosis in Hepatocellular Carcinoma
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View abstract on PubMed
Summary
This summary is machine-generated.Epigenetic changes in hepatocellular carcinoma (HCC) reveal a stemness/EMT subtype linked to immune exhaustion and poor prognosis. The gene MMP12 promotes HCC progression and metastasis, offering new therapeutic targets.
Area Of Science
- Oncology
- Epigenetics
- Molecular Biology
Background
- Aberrant epigenetic regulation, including miRNA and methylation, is crucial in hepatocellular carcinoma (HCC) pathogenesis.
- Understanding HCC heterogeneity is vital for improving patient outcomes.
Purpose Of The Study
- To investigate epigenetic dysregulation of miRNA and methylation in HCC.
- To identify distinct HCC subtypes based on epigenetic patterns.
- To explore the role of MMP12 in HCC progression and prognosis.
Main Methods
- Integrated analysis of miRNA and methylation data.
- Identification and validation of epigenetic subtypes.
- In vitro experiments to assess MMP12 function.
- Proteomic analysis using mass spectrometry sequencing.
Main Results
- Three distinct epigenetic patterns associated with specific transcriptional traits and clinical outcomes were identified.
- A stemness/epithelial-mesenchymal transition (EMT) subtype exhibited immune exhaustion and the poorest prognosis.
- MMP12 was highly expressed in the stemness/EMT subtype, correlating with unfavorable prognosis and promoting tumor proliferation, invasion, and metastasis.
- Proteomic analysis confirmed MMP12 overexpression is linked to cell proliferation and adhesion.
Conclusions
- Epigenetic dysregulation contributes to HCC heterogeneity and progression.
- A novel stemness/EMT subtype of HCC is identified, characterized by immune exhaustion and driven by MMP12.
- MMP12 is a potential therapeutic target for improving HCC prognosis.
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