ArticleThe Biochemical journal1998
Identification of 30 kDa calsequestrin-binding protein, which regulates calcium release from sarcoplasmic reticulum of rabbit skeletal muscle.
Article in The Biochemical journal, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 14 citations in OpenAlex.
- Shank3 related muscular hypotonia is accompanied by increased intracellular calcium concentrations and ion channel dysregulation in striated muscle tissue.Frontiers in cell and developmental biology · 2023Article
- Article
- Aldolase potentiates DIDS activation of the ryanodine receptor in rabbit skeletal sarcoplasmic reticulum.The Biochemical journal · 2006Article
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2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In a previous study [Yamaguchi, Kawasaki and Kasai (1995) Biochem. Biophys. Res. Commun. 210, 648-653], we showed that the stilbene derivative 4,4'-di-isothiocyanostilbene-2,2'-disulphonic acid activates the Ca2+ channel in the sarcoplasmic reticulum (SR) in rabbit skeletal muscle, and it does not bind to the channel protein itself but to the SR 30 kDa protein. Furthermore, the 30 kDa protein was shown to bind to calsequestrin (CSQ), which is one of the regulators of the Ca2+ release channel in the SR. In the present study, we determined the partial amino acid sequence of the CSQ-binding 30 kDa protein and, consequently, this protein was proved to be highly similar to ADP/ATP translocase (AAT) expressed in the mitochondria in a variety of cells. By Western-blotting analysis, the CSQ-binding 30 kDa protein was recognized by the antibody raised against bovine cardiac AAT and, furthermore, depolarization-induced Ca2+ release monitored in the rabbit skeletal muscle triads was significantly activated by the antibody. As a result of cloning and sequencing of the cDNA encoding AAT of the rabbit skeletal muscle, the amino acid sequence was found to be the same as that of the CSQ-binding 30 kDa protein determined above. Furthermore, the expressed product of the cDNA encoding AAT in Escherichia coli was proved to bind to CSQ. These results suggest that AAT itself is expressed in the rabbit skeletal muscle SR and regulates the Ca2+ release from the SR; that is, excitation-contraction coupling of the skeletal muscle cell.
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