Key result
C-type natriuretic peptide increased cardiac contractility and relaxation, effects that were markedly enhanced in mice with cardiac overexpression of cGMP-dependent protein kinase I.
Why the study?
Does C-type natriuretic peptide improve cardiac contractility and calcium regulation via the cGMP/PKG I signaling pathway in murine hearts?
Does C-type natriuretic peptide improve cardiac contractility and calcium regulation via the cGMP/PKG I signaling pathway in murine hearts?
C-type natriuretic peptide exerts positive inotropic and lusitropic effects in the heart mediated by the cGMP/PKG I signalling pathway and subsequent phosphorylation of phospholamban.
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CNP's inotropic effects via PKG I in mice leave open translation to human HF; hypothesis-generating for pathway-targeted therapies.
Wollert et al. (2003) studied this question. C-type natriuretic peptide (CNP) vs. Wild-type (WT) hearts was evaluated on Cardiac contractility, relaxation, and calcium regulation. C-type natriuretic peptide increased cardiac contractility and relaxation, effects that were markedly enhanced in mice with cardiac overexpression of cGMP-dependent protein kinase I.
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