Thymosin β4 activates integrin-linked kinase and promotes cardiac cell migration, survival and cardiac repair
Summary
Landmark study demonstrating that Thymosin Beta-4 activates integrin-linked kinase (ILK) and Akt, promoting cardiomyocyte migration and survival after coronary ligation in mice. This was the first study to show Tβ4's cardioprotective potential.
Key Findings
- Thymosin β4 is secreted by the embryonic epicardium and promotes cardiomyocyte survival
- Treatment after coronary ligation preserved cardiac function and reduced scar formation
- Mechanism involves ILK activation and Akt-mediated cell survival signaling
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