Key result
Cyclosporine A treatment completely blocked pregnancy-induced cardiac hypertrophy in mice, demonstrating that calcineurin activity is required for cardiac remodeling.
Why the study?
Does calcineurin signalling mediate pregnancy-induced cardiac remodelling in mice?
Population
Pregnant mice, non-pregnant female mice, and neonatal rat ventricular myocytes (NRVMs)
Comparison
Progesterone treatment and calcineurin inhibitor… vs Untreated/control mice or cells
Design
Preclinical
Authors
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Hypothesis-generating for peripartum cardiomyopathy mechanisms; extends mouse data but requires human validation before any clinical consideration.
Does calcineurin signalling mediate pregnancy-induced cardiac remodelling in mice?
Calcineurin activity, driven partly by increased progesterone, is required for pregnancy-induced cardiac hypertrophy in mice.
Chung et al. (2013) studied Pregnancy-induced cardiac hypertrophy. Progesterone and Cyclosporine A (CsA) was evaluated on Cardiac hypertrophy and calcineurin/NFAT activity. Cyclosporine A treatment completely blocked pregnancy-induced cardiac hypertrophy in mice, demonstrating that calcineurin activity is required for cardiac remodeling.
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