Advancements in the Study of Missense Mutations in ABCA7 in Alzheimer's Disease.

Alzheimer’s disease (AD) is a neurodegenerative disorder affecting millions of people worldwide. In recent years, genetic factors, particularly missense mutations in susceptibility genes, have been proven to play a key role in the pathogenesis of AD. The ABCA7, a regulator of lipid metabolism and amyloid-beta clearance, has missense mutations that impact phospholipid transport and phagocytic functions, thus contributing to the development of AD. Genome-wide association studies (GWAS) and whole-genome sequencing have identified various missense mutations in ABCA7, such as G1527A and R880Q, with risk ratios up to 1.15 times. Furthermore, differences in the distribution of these mutations across different ethnic groups have been widely reported. Future research should focus on the prevalence and functional effects of these mutations in different populations and their specific effects on ABCA7 protein function. A deeper understanding of these mutations could provide new scientific bases for the early diagnosis and treatment of AD. In summary, the missense mutations in ABCA7 provide important insights into the genetic susceptibility of AD and represent potential candidate targets for the development of personalized treatment strategies.