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EnglishThe action of cyclic-ADP-ribose was studied on calcium release from sarcoplasmic reticulum of skeletal muscles of neonatal and adult wild-type and RyR3-deficient mice. cADPR increased calcium efflux from microsomes, enhanced caffeine-induced calcium release, and, in 20\% of the tests, triggered calcium release in single muscle fibers. These responses occurred only in the diaphragm of adult RyR3-deficient mice. cADPR action was abolished by ryanodine, ruthenium red, and 8-brome-cADPR. These results strongly favor a specific action of cADPR on RyR1. The responsiveness of RyR1 appears in adult muscles when RyR3 is lacking.
Ca2+ release induced by cyclic ADP ribose in mice lacking type 3 ryanodine receptor. / R. Fulceri; R. Rossi; R. Bottinelli; A. Conti; E. Intravaia; A. Galione; A. Benedetti; V. Sorrentino; C. Reggiani. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - STAMPA. - 288:3(2001), pp. 697-702.
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| Titolo: | Ca2+ release induced by cyclic ADP ribose in mice lacking type 3 ryanodine receptor. | |
| Autori: | ||
| Data di pubblicazione: | 2001 | |
| Rivista: | ||
| Citazione: | Ca2+ release induced by cyclic ADP ribose in mice lacking type 3 ryanodine receptor. / R. Fulceri; R. Rossi; R. Bottinelli; A. Conti; E. Intravaia; A. Galione; A. Benedetti; V. Sorrentino; C. Reggiani. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - STAMPA. - 288:3(2001), pp. 697-702. | |
| Abstract: | The action of cyclic-ADP-ribose was studied on calcium release from sarcoplasmic reticulum of skeletal muscles of neonatal and adult wild-type and RyR3-deficient mice. cADPR increased calcium efflux from microsomes, enhanced caffeine-induced calcium release, and, in 20\% of the tests, triggered calcium release in single muscle fibers. These responses occurred only in the diaphragm of adult RyR3-deficient mice. cADPR action was abolished by ryanodine, ruthenium red, and 8-brome-cADPR. These results strongly favor a specific action of cADPR on RyR1. The responsiveness of RyR1 appears in adult muscles when RyR3 is lacking. | |
| Handle: | http://hdl.handle.net/11571/150433 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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