Pressure-induced Ca2+Release from Rabbit Sarcoplasmic Reticulum
نویسندگان
چکیده
منابع مشابه
Drug-induced Ca’’ Release from Isolated Sarcoplasmic Reticulum
Calcium ions that have been preloaded into isolated SR subfractions in the presence of ATP and pyrophosphate may be released upon addition of a large number of diverse pharmacologic substances in a manner that is effectively blocked by ruthenium red and other organic polyamines. Effective blocking substances include certain antibiotics (neomycin, gentamicin, streptomycin, clindamycin, kanamycin...
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Two distinct forms of Ca2+ release from isolated sarcoplasmic reticulum vesicles in response to additions of heavy metals (silver and mercurials) are described. One form of heavy metal-induced Ca2+ release involves the ruthenium red-sensitive Ca2+ release channel localized in terminal cisternae. The other form of heavy metal-induced Ca2+ release appears to involve all portions of the sarcoplasm...
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Phospholipid spin labels incorporated in the sarcoplasmic reticulum from rabbit-skeletal muscle undergo rapid lateral diffusion within the plane of the membrane. The diffusion constant, D, is 6x10(-8) cm(2)/sec at 37 degrees . With this diffusion constant, a phospholipid molecule can diffuse a distance of the order of 5000 nm in 1 sec.
متن کاملPolymorphism of sarcoplasmic-reticulum adenosine triphosphatase of rabbit skeletal muscle.
Antibody was raised in chickens against purified sarcoplasmic-reticulum Ca2+-activated ATPase (Ca2+-ATPase). The immunological relationship between the Ca2+-ATPase of fast-muscle and slow-muscle sarcoplasmic reticulum was investigated by a one-step and a two-step competitive enzyme-linked immunosorbent assay (ELISA). The results show marked antigenic differences between the membrane-bound Ca2+-...
متن کاملCaveolin-3-anchored microdomains at the rabbit sarcoplasmic reticulum membranes.
It is generally believed that sphingomyelin- and cholesterol-enriched microdomains can be isolated as detergent-resistant membranes (DRMs) from plasma membrane and organelle membranes. Here, we describe the isolation and characterization of microdomains from sarcoplasmic reticulum (SR) membranes. These SR-derived detergent-resistant membranes (SR-DRMs) enriched in sphingomyelin and cholesterol ...
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ژورنال
عنوان ژورنال: Bioscience, Biotechnology, and Biochemistry
سال: 1993
ISSN: 0916-8451,1347-6947
DOI: 10.1271/bbb.57.862