Interleukin-10 provides direct trophic support to neurons.

Interleukin-10 provides direct trophic support to neurons.
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白介素10为神经元提供直接的营养支持。

DOI:
10.1111/j.1471-4159.2009.06263.x
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发表时间:
2009-09
影响因子:
4.7
通讯作者:
Mata M
Mata M
中科院分区:
医学2区
文献类型:
--
作者:
Zhou Z;Peng X;Insolera R;Fink DJ;Mata M

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Interleukin (IL)-10, a prototypical anti-inflammatory cytokine, has been shown to provide beneficial effects in neuronal injury in vivo but the full range of actions has not been established. In order to understand the neuronal mechanisms underlying IL-10 mediated neuroprotection, we examined the effect of IL-10 on primary neurons in culture. We found that IL-10 exerts a direct trophic influence on spinal cord neurons, and that activation of the neuronal IL-10 receptor provides trophic support and survival cues to overcome the neurotoxic effects of glutamate in vitro. IL-10 treatment resulted in activation of Jak-Stat3 and PI3K-AKT pathways in neurons to enhance expression of Bcl-2 and Bcl-xL; under stress conditions IL-10 blocks cytochrome c release and caspase cleavage. IL-10 activation of the canonical NF-κB pathway enhanced translocation of p50 and p65 and enhanced their binding to κB DNA sequences, with p50 playing a more prominent role in neuronal survival. These data indicate that in addition to known anti-inflammatory effects through astroglia in other inflammatory cells, IL-10 has direct neuronal effects with important implications for development and neuroprotection.
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