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We exposed 3T3-L1 adipocytes to cooling followed by rewarming and examined phospho-molecule induction, including that of phospho-Akt, and the mechanism underlying the induction in these exposed cells; the viability did not deteriorate. Cooling at 4°C increased the phospho-Thr-308 Akt level. On subsequent rewarming at 37°C, phospho-Ser-473 Akt expression was induced in a wortmannin (PI3K inhibitor)-dependent...
Endoplasmic reticulum (ER) stress has been implicated in the pathogenesis of CNS diseases such as Alzheimer's disease, Parkinson's disease, and cerebral ischemia. In the present study, we found that Akt activation is regulated dually by ER stress in primary cultured glial cells. We observed that Akt activation was increased by short-term exposure to ER stress but was down-regulated by long-term exposure...
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