Amplification of calcium-induced gene transcription by nitric oxide in neuronal cellsстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2019 г.
Авторы:
Peunova N.,
Enikolopov G.
Журнал:
Nature
Том:
364
Номер:
6436
Год издания:
1993
Издательство:
Nature Publishing Group
Местоположение издательства:
United Kingdom
Первая страница:
450
Последняя страница:
453
DOI:
10.1038/364450a0
Аннотация:
NITRIC oxide (NO) is a short-lived, highly reactive gas, which has been identified as a mediator in vasodilation, an active agent in macrophage cytotoxicity and neurotoxicity, and a neurotransmitter in the central and peripheral nervous systems1-5. Production of NO by neurons is critical for facilitated synaptic transmission in models of synaptic plasticity such as long-term potentiation and long-term depression, suggesting a role for NO as a retrograde messenger that could complete a hypothetical feedback loop by strengthening the connection between postsynaptic and presynaptic cells 6-10. We report here that although alone NO has no evident effect on transcription, it can act as an amplifier of calcium signals in neuronal cells. NO and Ca2+ action have to coincide in time for amplification to occur. Experiments with a series of simplified reporter genes in combination with specific recombinant protein kinase inhibitors suggest that induction of gene activity following NO-amplified calcium action involves protein kinase A-dependent activation of the transcription factor CREB. © 1993 Nature Publishing Group.
Добавил в систему:
Ениколопов Григорий Николаевич