Inflammatory response of microglial BV-2 cells includes a glycolytic shift and is modulated by mitochondrial glucose-regulated protein 75/mortalin.
Inflammatory response of microglial BV-2 cells includes a glycolytic shift and is modulated by mitochondrial glucose-regulated protein 75/mortalin.
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DOI:
10.1016/j.febslet.2013.01.067
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发表时间:
2013-03-18
期刊:
影响因子:
3.5
通讯作者:
Giffard RG
中科院分区:
文献类型:
--
作者:
Voloboueva LA;Emery JF;Sun X;Giffard RG
Recent studies suggest a link between mitochondria and proinflammatory cytokine generation. We previously demonstrated that overexpression of mitochondrial chaperone glucose-regulated protein75 (Grp75/mortalin) protects mitochondria. In this study we investigated the modulation of the lipopolisaccharide (LPS)-induced inflammatory response of microglial BV-2 cells by Grp75. We demonstrate that LPS-induced activation promotes significant metabolic changes suppressing mitochondrial function and increasing glycolysis. Overexpression of Grp75 attenuates the LPS-induced oxidative and metabolic responses, and suppresses proinflammatory activation, which depends on both NF-κB activation and lactate. Thus overexpression of Grp75 provides a novel strategy to modulate proinflammatory cytokine production of relevance to inflammation-associated pathologies.
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