A mutation could protect from familiar Alzheimer’s cognitive decline

mutation protects Alzheimer's

A reported case study in a colombian woman, member of a family carriers of a mutation in the presinilin 1 gene which leads to early onset Alzheimer’s, has shown that a certain mutation in the gene APOE3 can protect from the cognitive decline associated with Alzheimer’s disease.

This woman was already aged 70 but not showing any of the cognitive decline that many other members of her family were already showing by 40 years of age. That was surprising for the researchers, specially because her brain was filled with amyloid plaques, a typical sign of Alzheimer’s.

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