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Meta‐analysis of the association between the interleukin‐1A −889C/T polymorphism and Alzheimer's disease
Author(s) -
Hua Ye,
Zhao Hui,
Kong Yuenan,
Lu Xiaojie
Publication year - 2012
Publication title -
journal of neuroscience research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.72
H-Index - 160
eISSN - 1097-4547
pISSN - 0360-4012
DOI - 10.1002/jnr.23062
Subject(s) - meta analysis , medicine , subgroup analysis , allele , gastroenterology , polymorphism (computer science) , disease , genetics , biology , gene
No clear consensus has been reached on the Interleukin‐1A (IL‐1A) −889C/T polymorphism and Alzheimer's disease (AD) risk. In this meta‐analysis, 27 case–control studies were assessed to evaluate the possible association. Overall, positive associations of the IL‐1A −889C/T polymorphism with AD risk were found in allele comparison T vs. C (OR = 1.09, 95% CI = 1.01–1.18), recessive model TT vs. CT + CC (OR = 1.21, 95% CI = 1.01–1.45), and homozygote comparison (TT vs. CC; OR = 1.32, 95% CI = 1.04–1.67). In subgroup analysis stratified by ethnicity, significant associations were demonstrated in Caucasians but not in Asians. In subgroup analysis according to the age of onset, the data showed a significant association in patients with late‐onset AD in Caucasians but not in early‐onset AD. In conclusion, this meta‐analysis supports the idea that IL‐1A –889C/T polymorphism is capable of causing AD and LOAD susceptibility in Caucasians but not in Asians. © 2012 Wiley Periodicals, Inc.

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