Ecdysteroids elicit a rapid Ca2+ flux leading to Akt activation and increased protein synthesis in skeletal muscle cells.

Ecdysteroids elicit a rapid Ca2+ flux leading to Akt activation and increased protein synthesis in skeletal muscle cells.
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DOI:
10.1016/j.steroids.2010.03.008
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发表时间:
2010-10
期刊:
影响因子:
2.7
通讯作者:
Raskin, Ilya
Raskin, Ilya
中科院分区:
医学3区
文献类型:
--
作者:
Gorelick-Feldman, Jonathan;Cohick, Wendie;Raskin, Ilya

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Phytoecdysteroids, structurally similar to insect molting hormones, produce a range of effects in mammals, including increasing growth and physical performance. In skeletal muscle cells, phytoecdysteroids increase protein synthesis. In this study we show that in a mouse skeletal muscle cell line, C2C12, 20-hydroxyecdysone (20HE), a common phytoecdysteroid in both insects and plants, elicited a rapid elevation in intracellular calcium, followed by sustained Akt activation and increased protein synthesis. The effect was inhibited by a G-protein Coupled Receptor (GPCR) inhibitor, a phospholipase C (PLC) inhibitor, and a phosphoinositide kinase-3 (PI3K) inhibitor.
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