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Abnormal hyperphosphorylation of microtubule-associated protein tau is involved in the pathogenesis of several neurodegenerative diseases, including Alzheimer's disease (AD). Endoplasmic reticulum (ER) stress is indicated to play an important role in neurodegeneration and activation of glycogen synthase kinase-3β (GSK-3β), an integral kinase in tau(More)
Most patients with Alzheimer's disease (AD) present decreased levels of melatonin, a day-night rhythm-related hormone. To investigate the role of melatonin deficiency in AD, we used constant illumination to interrupt melatonin metabolism and measured some of the AD-like alterations in rats. Concomitant with decreased serum melatonin, the rats developed(More)
Hyperphosphorylated tau is the major component of intracellular neurofibrillary tangles, which is positively correlated with the cognitive decline in Alzheimer's disease (AD). The upstream factors leading to tau hyperphosphorylation are still not fully understood. Endoplasmic reticulum (ER) stress has been indicated in AD pathogenesis and the increased(More)
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