Can Exercise Teach Us How to Treat Heart Disease?

Cardiovascular Division, Beth Israel Deaconess Medical Center, 3 Blackfan Circle, CLS-9, Boston, MA 02215. .
Circulation (Impact Factor: 14.95). 11/2012; 126(22):2625-35. DOI: 10.1161/CIRCULATIONAHA.111.060376
Source: PubMed
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    ABSTRACT: Exercise has long been considered an essential element for sustaining cardiovascular health. A vast literature of clinical studies suggests that exercise serves as an effective intervention for the primary and secondary prevention of cardiovascular disease, although the optimal nature, intensity, and duration of exercise for maximizing these cardiovascular benefits remain unclear. On a molecular level, exercise induces physiologic growth of the heart primarily by driving cardiomyocyte hypertrophy, notably through the interconnected IGF-1-PI3K-AKT1 and C/EBPβ-CITED4 pathways. Here, we explore the range of clinical evidence supporting the cardiovascular benefits of exercise and outline the molecular pathways that play major roles in regulating these protective effects.
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