Activin A promoted the anti‐tumor effect of ActRIIA high CD8 + T cells in mouse hepatoma
2025
Activin A Enhances Anti-Tumor Effects of CD8+ T Cells in Liver Cancer
publication
Evidence: moderate
Author Information
Author(s): Hu Liangchang, Zhao Yu, Zhang Xuguang, Ma Chunhui
Primary Institution: Shandong Second Medical University
Hypothesis
Does low-dose activin A enhance the anti-tumor effect of CD8+ T cells in mouse hepatoma?
Conclusion
Low-dose activin A enhances the anti-tumor effect of CD8+ T cells, contributing to tumor immunity.
Supporting Evidence
- Low-dose activin A increased CD8+ T cell content while suppressing tumor growth.
- High levels of activin A were associated with shorter survival in liver cancer patients.
- CD8+ T cells treated with low-dose activin A showed enhanced expression of cytotoxic molecules.
Takeaway
This study found that a small amount of a protein called activin A helps special immune cells called CD8+ T cells fight cancer better.
Methodology
The study used a mouse model of hepatoma to investigate the effects of different doses of activin A on CD8+ T cells and tumor growth.
Limitations
The study did not account for the effects of endogenous activin A produced by various immune cells.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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