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The O-GlcNAcylation and its promotion to hepatocellular carcinoma
Jie Zhang1, Min Xun1, Chaojie Li1
1Institute of Pharmacy & Pharmacology, School of Pharmaceutical Science, University of South China, Hengyang 410001, China.
Abstract:
O-GlcNAcylation is a posttranslational modification that attaches O-linked β-N-acetylglucosamine (O-GlcNAc) to the serine and threonine residues of proteins. Such a glycosylation would alter the activities, stabilities, and interactions of target proteins that are functional in a wide range of biological processes and diseases. Accumulating evidence indicates that O-GlcNAcylation is tightly associated with hepatocellular carcinoma (HCC) in its onset, growth, invasion and metastasis, drug resistance, and stemness. Here we summarize the discoveries of the role of O-GlcNAcylation in HCC and its function mechanism, aiming to deepen our understanding of HCC pathology, generate more biomarkers for its diagnosis and prognosis, and offer novel molecular targets for its treatment.
Insights
O-GlcNAcylation, a protein modification, is linked to hepatocellular carcinoma (HCC) development and progression. Understanding its mechanisms offers new diagnostic and therapeutic strategies for HCC.
Area of Science:
- Biochemistry
- Molecular Biology
- Oncology
Background:
- O-GlcNAcylation is a dynamic posttranslational modification involving the addition of O-linked β-N-acetylglucosamine (O-GlcNAc) to serine and threonine residues.
- This modification impacts protein function, stability, and interactions, playing a role in various biological processes and diseases.
Purpose of the Study:
- To review the role and mechanisms of O-GlcNAcylation in hepatocellular carcinoma (HCC).
- To explore O-GlcNAcylation's association with HCC onset, progression, metastasis, drug resistance, and stemness.
- To highlight potential biomarkers and therapeutic targets for HCC based on O-GlcNAcylation.
Main Methods:
- Literature review and synthesis of existing research on O-GlcNAcylation and HCC.
- Analysis of functional mechanisms linking O-GlcNAcylation to HCC pathology.
- Identification of potential diagnostic and prognostic biomarkers.
Main Results:
- O-GlcNAcylation is significantly associated with multiple facets of HCC, including its initiation, growth, invasion, metastasis, and drug resistance.
- Aberrant O-GlcNAcylation patterns are observed in HCC, influencing cancer stem cell properties.
- Specific proteins and pathways regulated by O-GlcNAcylation in HCC have been identified.
Conclusions:
- O-GlcNAcylation plays a critical role in the pathogenesis of hepatocellular carcinoma.
- Further understanding of O-GlcNAcylation mechanisms in HCC can lead to improved diagnostic and prognostic tools.
- Targeting O-GlcNAcylation pathways presents a promising avenue for novel HCC therapeutic strategies.
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