Caffeine-induced synaptic potentiation in hippocampal CA2 neurons.

Caffeine-induced synaptic potentiation in hippocampal CA2 neurons.
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DOI:
10.1038/nn.2962
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发表时间:
2011-11-20
影响因子:
25
通讯作者:
--
中科院分区:
医学1区
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咖啡因可以增强认知能力,但即使是高剂量的非生理剂量,对突触的影响也不大。A1腺苷受体(A1Rs)被咖啡因拮抗,并且在海马CA2中最高度富集,这在本文中尚未研究。在这里,我们表明,生理剂量的咖啡因在体内或A1受体拮抗剂在体外诱导强大的,持久的增强大鼠CA2区的突触传递,而不会影响海马的其他区域。
Caffeine enhances cognition, but even high non-physiological doses have modest effects on synapses. A1 adenosine receptors (A1Rs) are antagonized by caffeine and are most highly enriched in hippocampal CA2, which has not been studied in this context. Here we show that physiological doses of caffeine in vivo or A1R antagonists in vitro induce robust, long-lasting potentiation of synaptic transmission in rat CA2 without effect in other regions of the hippocampus.
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