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  Activation and inhibition of the calcium gate of sarcoplasmic reticulum by high-affinity ryanodine binding

Hasselbach, W., & Migala, A. (1987). Activation and inhibition of the calcium gate of sarcoplasmic reticulum by high-affinity ryanodine binding. FEBS Letters, 221(1), 119-123. doi:10.1016/0014-5793(87)80364-2.

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FEBSLett_221_1987_119.pdf (Any fulltext), 403KB
 
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Hasselbach, Wilhelm1, Author           
Migala, Andrea1, Author           
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1Department of Physiology, Max Planck Institute for Medical Research, Max Planck Society, ou_3321127              

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 Abstract: The occupancy of high-affinity ryanodine-binding sites of isolated heavy sarcoplasmic reticulum vesicles occurring in concentrated salt solutions affects ATP-dependent calcium accumulation and caffeine-induced calcium release. The initial suppression of calcium uptake is followed by a marked uptake activation resulting in a reduction of the final calcium level in the medium. Simultaneously, caffeine-induced calcium release is blocked. The dependence of inhibition of calcium uptake and caffeine-induced calcium release observed in assay media containing physiological concentrations of magnesium and ATP on the concentration of ryanodine corresponds to the drug's effectiveness in living muscles.

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Language(s): eng - English
 Dates: 1987-07-101987-08-31
 Publication Status: Issued
 Pages: 5
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 Rev. Type: Peer
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Title: FEBS Letters
  Other : FEBS Lett.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 221 (1) Sequence Number: - Start / End Page: 119 - 123 Identifier: ISSN: 0014-5793
CoNE: https://pure.mpg.de/cone/journals/resource/954925399501