Article
Myofibrillar or mitochondrial creatine kinase deficiency alone does not impair mouse diaphragm isotonic function.
Journal of applied physiology (Bethesda, Md. : 1985) - 1 Mar 2000
Watchko J F, Daood M J, Wieringa B, Koretsky A P
Abstract excerpt
Creatine kinase (CK) provides ATP buffering in skeletal muscle and is expressed as 1) cytosolic myofibrillar CK (M-CK) and 2) sarcomeric mitochondrial CK (ScCKmit) isoforms that differ in their subcellular localization. The diaphragm (Dia) expresses both M-CK and ScCKmit in abundance. We compared the power and work output of 1) control CK-sufficient (Ctl), 2) M-CK-deficient [M-CK(-/-)], 3) ScCKmit-deficient...
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