Alzheimer’s risk gene fuels inflammation in healthy immune cells in brain: Study ...Middle East

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Alzheimer’s risk gene fuels inflammation in healthy immune cells in brain: Study
New Delhi, Nov 5 (IANS) A team of scientists has found that the presence of the APOE4 protein — the most important genetic risk factor for Alzheimer’s disease — can cause healthy immune cells in the brain — microglia — to cause harmful inflammation and clumps of misfolded proteins. The same microglia, in a brain without APOE4 protein, patrol for damage and clear away debris and harmful proteins. For the study, scientists at Gladstone Institutes in the US created a “chimeric” mice model for studying Alzheimer’s. The mouse model not only carries human APOE genes, but the team also transplanted human neurons producing the APOE4 protein into the brains of mice. On removing microglia, they discov

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