Beneficial and detrimental effects have been ascribed to the different Thrombospondin (Thbs) proteins in the adult mammalian heart. Here, the authors show that Thbs1-mediated activation of PERK-eIF2α-ATF4-induced autophagy regulates adult cardiomyocyte size in the stressed heart.
- Davy Vanhoutte
- Tobias G. Schips
- Jeffery D. Molkentin