The JAK1/STAT3 pathway mediates the effects of SERPINH1 on glioma EMT
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View abstract on PubMed
Summary
This summary is machine-generated.Serine protease inhibitor H1 (SERPINH1) drives glioma progression by boosting cell proliferation, invasion, and EMT via the JAK1/STAT3 pathway. Targeting SERPINH1 offers a potential new therapy for glioma patients.
Area Of Science
- Oncology
- Molecular Biology
- Cancer Research
Background
- Glioma is characterized by rapid cell growth, invasion, and poor prognosis.
- The role of Serine protease inhibitor H1 (SERPINH1), a collagen chaperone, in glioma is not well understood.
- SERPINH1 is implicated in various cancers, necessitating investigation into its specific function in glioma.
Purpose Of The Study
- To elucidate the role of SERPINH1 in glioma progression.
- To assess SERPINH1's impact on glioma cell proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT).
- To explore the molecular pathways, including JAK1/STAT3 signaling, associated with SERPINH1 in glioma.
Main Methods
- Stable knockdown and overexpression of SERPINH1 in human glioma cell lines (LN229, T98, U251, U87MG) using lentivirus.
- In vitro assays for cell proliferation, migration, and invasion.
- Bioinformatic analysis using TCGA and CGGA databases.
- Western blotting to assess JAK1/STAT3 pathway proteins and EMT markers.
- In vivo studies in nude mice to evaluate tumor growth and EMT markers.
Main Results
- SERPINH1 overexpression significantly enhanced glioma cell proliferation, migration, and invasion, while knockdown suppressed these processes.
- Bioinformatic and Western blot analyses confirmed SERPINH1's association with the JAK1/STAT3 pathway and EMT markers (N- and E-cadherin).
- In vivo studies showed SERPINH1 overexpression accelerated tumor growth and EMT, whereas knockdown reduced tumor size and EMT marker expression.
- JAK1/STAT3 pathway modulation (agonist RO8191, inhibitor STATTIC) affected glioma cell behavior in SERPINH1-manipulated cells.
Conclusions
- SERPINH1 is crucial for glioma progression, promoting proliferation, migration, invasion, and EMT.
- SERPINH1 activates the JAK1/STAT3 signaling pathway, contributing to these aggressive phenotypes.
- Targeting SERPINH1 represents a potential therapeutic strategy for glioma treatment.
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