Roles of Nicotinic and Muscarinic Receptors in Calcium Signaling and Transmitter Release

Kostyuk, P. G.; Pochynyuk, O. M.; Zaika, Oleg; Lukyanetz, E. A.

doi:10.1023/b:neph.0000008780.07514.79

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Cited by 2 publications

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“…Äîñë³äè ïðîâîäèëè íà ñâ³aeî³çîëüîâàíèõ õðîìàô³ííèõ êë³òèíàõ íàäíèðíèêîâèõ çàëîç äîðîñëèõ (56 ì³ñ) ñàìèöü á³ëèõ ùóð³â ë³í³¿ Â³ñòàð ìàñîþ 18230 ã (ÿê áóëî îïèñàíî ðàí³øå [14,16,22,24,3134]). Êë³òèíè ìåäóëè íàäíèðíèêîâî¿ çàëîçè îòðèìóâàëè çà ñòàíäàðòíîþ ïðîöåäóðîþ ôåðìåíòàòèâíî¿ ³çîëÿö³¿.…”

Section: ìåòîäèêàunclassified

Participation of synaptotagmin in release of catecholamines in rat adrenal chromaffin cells

Ov¹,

Ol²,

Ov³

et al. 2010

Fiziol Zh

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Participation of synaptotagmin in release of catecholamines in rat adrenal chromaffin cells

Ov¹,

Ol²,

Ov³

et al. 2010

Fiziol Zh

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Involvement of Synaptic Protein Munc18 in the Process of Release of Catecholamines by Chromaffin Cells of the Rat Adrenal Gland

et al. 2011

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We studied the role of one of the synaptic proteins belonging to the SM-protein family, Munc18, in the process of exocytosis. For this purpose, we used microinjections of antibodies against protein Munc18 (antiMunc18) into isolated chromaffin cells of the rat adrenal gland, with the aim of suppressing the function of this protein. Secretion of catecholamines was measured using carbon microelectrodes and an amperometric technique. Blocking of the function of Munc18 in the studied cells led to significant suppression of the process of secretion. In this case, the frequency of secretory events decreased, and the kinetic parameters of secretory peaks changed (their amplitude decreased, and duration of the decline phase increased). The obtained data allow us to conclude that Munc18 is one of the synaptic proteins responsible for calciumdependent exocytosis by chromaffin cells and that this protein can in a specific manner influence dimensions of the fusion pores.

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Roles of Nicotinic and Muscarinic Receptors in Calcium Signaling and Transmitter Release

Cited by 2 publications

References 10 publications

Participation of synaptotagmin in release of catecholamines in rat adrenal chromaffin cells

Participation of synaptotagmin in release of catecholamines in rat adrenal chromaffin cells

Involvement of Synaptic Protein Munc18 in the Process of Release of Catecholamines by Chromaffin Cells of the Rat Adrenal Gland

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