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2 clusters · 4 sources · 10 days · First seen · Last updated

Alzheimer's disease genetic research developments

Overview

Recent scientific studies have expanded the understanding of the genetic drivers behind Alzheimer's disease. Initial research identified a specific DNA sequence repetition, known as CCG, and increased activity in the FAM193B gene as significant risk factors. In Chinese cohorts, individuals with at least 18 repetitions of this segment showed approximately double the statistical chance of developing the disease, a trend also observed in those of European ancestry.

Subsequent large-scale international research, involving data from approximately 2.8 million individuals, has identified 48 previously unknown genetic regions associated with the disease. This brings the total number of identified genetic risk regions to 127. These findings emphasize the role of biological processes involving immune and nerve cells, specifically highlighting microglia—the brain's immune cells responsible for clearing damaged material—as a central factor in disease development.

Entities

Dasa · Brazil · Genera · Nature · Danielle Posthuma

Timeline

  1. [HEALTH] 4 sources
    Researchers identify 48 new genetic risk regions for Alzheimer's

    An international study of 2.8 million people has discovered 48 new genetic risk regions for Alzheimer's, highlighting the role of brain immune cells in the disease.

  2. [HEALTH] 2 sources
    Genetic research identifies Alzheimer's risk factor and regional health predispositions

    New studies highlight a genetic CCG sequence repetition linked to increased Alzheimer's risk and reveal regional variations in genetic disease predisposition across Brazil.

Sources

ad-hoc-news.de · das-wissen.de · it-boltwise.de · meinegemeinde.vol.at