Oct, 1, 2023

Vol.30 No.2, pp. 84-88


Review

  • Korean Journal of Biological Psychiatry
  • Volume 17(4); 2010
  • Article

Review

Korean Journal of Biological Psychiatry 2010;17(4):218-25. Published online: Apr, 1, 2010

The Impact of Choline Acetyltransferase Polymorphism on the Expression of Mild Cognitive Impairment

  • Jung Jae Lee, MD1; Joon Hyuk Park, MD2; Seok Bum Lee, MD3; Yoonseok Huh, MD4; Tae Hui Kim, MD4; Jong Chul Youn, MD, PhD5; Jin Hyeong Jhoo, MD, PhD6; Dong Young Lee, MD, PhD7,8; Koung Un Park, MD, PhD9; and Ki Woong Kim, MD, PhD4,8;
    1;Department of Psychiatry, Kyungpook National University Hospital, Daegu, 2;Department of Psychiatry, Jeju National University Hospital, Jeju, 3;Department of Psychiatry, Dankook University Hospital, Cheonan, 4;Department of Neuropsychiatry, Seoul National University Bundang Hospital, Seongnam, 5;Department of Neuropsychiatry, Kyunggi Provincial Hospital for the Elderly, Yongin, 6;Department of Neuropsychiatry, Kangwon National University Hospital, Chuncheon, 7;Department of Psychiatry, Seoul National University Hospital, Seoul, 8;Department of Psychiatry, Seoul National University College of Medicine, Seoul, 9;Department of Laboratory Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
Abstract

ObjectivesThe potential association between choline acetyltransferase(CHAT) polymorphism and the risk of mild cognitive impairment(MCI) has not been investigated in Korea. We examined the main effect of CHAT polymorphism and its interaction with apolipoprotein E(APOE) polymorphism in the development of MCI in elderly Korean sample.


Methods:We analyzed CHAT 2384G > A polymorphism and APOE polymorphism among 149 MCI subjects with MCI and 298 normal controls. We tested the association between MCI and CHAT A allele status using a logistic regression model. In addition, we employed generalized multifactor dimensionality reduction(GMDR) to investigate the interaction between CHAT and APOE with regard to the risk of MCI.


Results:The CHAT A allele was associated with AD risk(OR = 1.59, 95% CI = 1.02-2.48, p = 0.042). No significant gene-gene interaction between CHAT and APOE was found in GMDR method(testing balanced accuracy = 0.540, p = 0.055).


Conclusion:The CHAT A allele was associated with MCI risk in the Korean elderly. Its interaction with the APOE ε4 allele was not significant with regard to the development of MCI.

Keywords Choline acetyltransferase;Apolipoprotein E;Polymorphism;Gene-gene interaction;Mild cognitive impairment(MCI).