Journal
NATURE REVIEWS MOLECULAR CELL BIOLOGY
Volume 4, Issue 7, Pages 566-577Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/nrm1151
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Heart failure is a major cause of death and disability. Impairments in blood circulation that accompany heart failure can be traced, in part, to alterations in the activity of the sarcoplasmic reticulum Ca2+ pump that are induced by its interactions with phospholamban, a reversible inhibitor. If phospholamban becomes superinhibitory or chronically inhibitory, contractility is diminished, inducing dilated cardiomyopathy in mice and humans. In mice, phospholamban seems to encumber an otherwise healthy heart, but humans with a phospholamban-null genotype develop early-onset dilated cardiomyopathy.
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