Alzheimer’s updates

Researchers have identified nine genes that might make people more likely to develop Alzheimer’s disease. They confirmed earlier reports that a variation in the vitamin D3 receptor gene, on chromosome 12, might also increase risk for Alzheimer’s. Low levels of vitamin D have been found in people with Alzheimer’s and other dementias, leading researchers to…

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Alzheimers disease aetiology

Two defining features of Alzheimer’s disease in the brain are amyloid plaques and neurofibrillary tangles (tau). The plaques contain a protein called amyloid-beta, while the tangles are made of a protein called tau. The current, widely accepted amyloid hypothesis regards Alzheimer’s as being due to plaque deposits, whereas the tau hypothesis links the disease to…

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