How Does APOE4 Causes Alzheimer's Disease

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An APOE is a gene that provides instructions for making a protein called apolipoprotein E. This protein was discovered to be a signature of the disease, Alzheimers. Alzheimer's is the disease that makes you have dementia and forget everything. It’s also been proven that APOE4 ramps up brain inflammation that can kill brain cells.
APOE4 mixed with Tau tangles can cause dementia and is discovered to have something to do with Alzheimers. It is said to cause dementia and that can lead to Alzheimer's. They tested on mice that have high levels of APOE4 and mice that have low levels of APOE4 to see what would happen. The weird thing is that while APOE4 causes Alzheimer’s, APOE3 fights against it. I picked this article because APOE4 is a protein and

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