Nutraceuticals Restore Heart Muscle Function in Cardiomyopathy
Author Information
Author(s): Yang Zeyu, Sheehan Alice M., Messer Andrew E., Tsui Sharmane, Sparrow Alexander, Redwood Charles, Kren Vladimir, Gould Ian R., Marston Steven B.
Primary Institution: Imperial College London
Hypothesis
Can small molecules like silybin B, resveratrol, and EGCG restore the loss of lusitropy caused by cardiomyopathy mutations?
Conclusion
Silybin B, resveratrol, and EGCG can restore the relaxation response of heart muscle cells affected by cardiomyopathy mutations.
Supporting Evidence
- Silybin B, EGCG, and resveratrol restored the phosphorylation-induced change in molecular dynamics to wild-type values.
- Mutations ACTC E99K and TNNT2 R92Q blunt the increased relaxation speed response to β1 adrenergic stimulation.
- Resveratrol, EGCG, and silybin B could restore the β1 adrenergic response in mutant myocytes.
Takeaway
Some natural compounds can help the heart relax better when it has problems due to certain genetic mutations.
Methodology
Molecular dynamics simulations and contractility measurements in isolated cardiomyocytes were used to assess the effects of small molecules on cardiac troponin.
Limitations
The study does not confirm the effectiveness of these compounds in intact muscle or in clinical settings.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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