To investigate the clinical significance of TREM1 in glioma and its potential role in macrophage polarization.
Approach:
Bioinformatics Analysis: Assessment of TREM1 expression patterns and prognostic value in glioma.
Cellular Analysis: Utilization of single-cell sequencing, immunohistochemistry, and immunofluorescence to determine TREM1's cellular origin and spatial distribution.
Co-culture Model: Evaluation of the impact of TREM1 knockdown on glioma progression and macrophage polarization using CCK-8, Transwell, wound healing assays, western blot, and flow cytometry.
Key Findings:
TREM1 expression is upregulated in glioma and associated with higher malignant potential.
TREM1 is closely linked to M2-type macrophages and promotes their polarization.
Knockdown of TREM1 in macrophages reduces glioma cell proliferation, invasion, and migration.
Interpretation:
Limitations:
The study's findings are based on specific patient samples and may not be generalizable.
Further research is needed to fully elucidate the mechanisms of TREM1 in glioma.
Conclusion:
The study suggests that targeting TREM1 may enhance the efficacy of immunotherapy for glioma.