Article
Mechanisms of Disease: ryanodine receptor defects in heart failure and fatal arrhythmia.
Nature clinical practice. Cardiovascular medicine - 1 Jan 2006
Yano Masafumi, Yamamoto Takeshi, Ikeda Yasuhiro, Matsuzaki Masunori
Abstract excerpt
Abnormal regulation of intracellular Ca(2+) by sarcoplasmic reticulum plays a part in the mechanism underlying contractile and relaxation dysfunction in heart failure (HF). The protein-kinase-A-mediated hyperphosphorylation of ryanodine receptors in the sarcoplasmic reticulum has been shown to cause the dissociation of FKBP12.6 (also known as calstabin-2) from ryanodine receptors in HF. In addition, several...
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