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Potential Role Of Orexin And Sleep Modulation In The Pathogenesis Of Alzheimer's Disease, Jee Hoon Roh, Hong Jiang, Mary Beth Finn, Floy R. Stewart, Thomas E. Mahan, John R. Cirrito, Ashish Heda, B. Joy Snider, Mingjie Li, Masashi Yanagisawa, Luis De Lecea, David M. Holtzman
Potential Role Of Orexin And Sleep Modulation In The Pathogenesis Of Alzheimer's Disease, Jee Hoon Roh, Hong Jiang, Mary Beth Finn, Floy R. Stewart, Thomas E. Mahan, John R. Cirrito, Ashish Heda, B. Joy Snider, Mingjie Li, Masashi Yanagisawa, Luis De Lecea, David M. Holtzman
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Age-related aggregation of amyloid-β (Aβ) is an upstream pathological event in Alzheimer's disease (AD) pathogenesis, and it disrupts the sleep-wake cycle. The amount of sleep declines with aging and to a greater extent in AD. Poor sleep quality and insufficient amounts of sleep have been noted in humans with preclinical evidence of AD. However, how the amount and quality of sleep affects Aβ aggregation is not yet well understood. Orexins (hypocretins) initiate and maintain wakefulness, and loss of orexin-producing neurons causes narcolepsy. We tried to determine whether orexin release or secondary changes in sleep via orexin modulation affect Aβ pathology. …