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Association between ABCA1 gene polymorphisms and the therapeutic response to donepezil therapy in Han Chinese patients with Alzheimer’s disease.

Association between ABCA1 gene polymorphisms and the therapeutic response to donepezil therapy in Han Chinese patients with Alzheimer’s disease.
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Lu J, Fu J, Zhong Y, Yang Q, Huang J, Li J, Huo Y, Zhao Y, Wan L, Guo C,


Lu J, Fu J, Zhong Y, Yang Q, Huang J, Li J, Huo Y, Zhao Y, Wan L, Guo C, (click to view)

Lu J, Fu J, Zhong Y, Yang Q, Huang J, Li J, Huo Y, Zhao Y, Wan L, Guo C,

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Brain research bulletin 2018 03 29() pii S0361-9230(17)30558-0
Abstract
AIM
It is reported that ABCA1, which plays a key role in cholesterol transport and apolipoprotein E (APOE) metabolism in the brain, is related to Alzheimer’s disease. However, few studies have focused on the relationship between the ABCA1 gene and the therapeutic response to donepezil (DNP), which has been shown to be related to reduced sAPP production.This study evaluated the association between the ABCA1 gene polymorphism and the clinical response to donepezil therapy in Han Chinese patients with Alzheimer’s disease.

METHODS
We examined ABCA1 gene polymorphisms in 88 Han Chinese patients with Alzheimer’s disease who were receiving DNP therapy. The Mini-Mental State Examination was conducted before and after DNP treatment, and the ABCA1 rs 2230806 and rs 2230808, APOE E3 genotypes of each patient were identified.

RESULTS
We found that patients with the ABCA1 rs2230806 GG genotype responded better to DNP treatment compared to those with the AA and AG genotypes (p = 0.001). Patients who were APOE E3 non-carriers and had the ABCA1 rs2230806 GG genotype tended to have a better clinical response to DNP therapy.

CONCLUSIONS
The ABCA1 rs 2230806 polymorphism and its combination with the APOE E3 allele may provide clinically relevant information for predicting the therapeutic response to DNP therapy.

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