Neuroscience letters · 2002
Alpha-2 macroglobulin I1000 V polymorphism in Chinese sporadic Alzheimer's disease and Parkinson's disease.
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Tang Guomei, Zhang Mingyuan, Xie Huijun, Jiang Sanduo, Wang Zucheng, Xu Lin, Hao Yixin, Lin Dayu, Lan Hekui, Wang Yinyu, Chen Lishan, Ren Daming
Аннотация
Several lines of evidence have revealed some overlapping pathologies in Alzheimer's disease (AD) and Parkinson's disease (PD). Although the alpha-2 macroglobulin gene (A2M) might be a risk factor of these two neurodegenerative diseases, conclusions from different studies have remained conflicting. Here we studied the role of A2M I1000 V polymorphism in both AD and PD in a Chinese Han population. We found that the A2M I/V genotype is associated with both AD (odds ratio (OR)=2.55, 95% confidential interval (95% CI): 1.20-5.43, attributable fraction (AF)=13.65%) and PD (OR=3.03, 95% CI: 1.30-7.02, AF=16.51%). After classifying according to the age of onset, this association is only detected in early-onset AD patients (OR=3.96, 95% CI: 1.28-12.26) and late-onset PD patients (OR=2.61, 95% CI: 0.97-7.09). Therefore, we conclude that in our samples, the A2M I/V genotype might be a susceptibility variant, even with minor effect, for both sporadic AD and PD.