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주요우울증에서 아드레날린 알파 2 수용체 유전자 다형성과 Mirtazapine 치료반응의 연관성에 대한 연관연구
김진우(Jin Woo Kim),임신원(Shinn Won Lim),최홍(Hong Choi),김수연(Su Yeon Kim),명우재(Woo Jae Myung),이유진(Yu Jin Lee),송지혜(Ji Hye Song),정재원(Jae Won Chung),김도관(Doh Kwan Kim) 대한노인정신의학회 2010 노인정신의학 Vol.14 No.1
Objectives : Genetic differences may contribute to the inter-individual differences in treatment response to antidepressants among patients suffering from major depression. This study investigated a possible association of treatment response to mirtazapine with various adrenergic alpha 2 receptor polymorphisms in major depressive patients. Methods : A 6-week naturalistic treatment study with a blinded outcome examined 84 Korean patients with major depression. Treatment response to mirtazapine was defined as ≥50% decrease in HAM-D scores at six weeks. In this study, four genetic polymorphisms were selected ; ADRA2A MspI, ADRA2A DraI, α2BDel301-303, andα2CDel322-325. Results : The Del/Del genotype of α2CDel322-325 exhibited a significant association with response to mirtazapine through multiple logistic regression. ADRA2A DraI, α2BDel301-303, and α2CDel322-325 did not showed a significant association with response to mirtazapine. Conclusion : Based on the finding that α2CDel322-325 polymorphism had an association with the mirtazapine response, we postulate that the polymorphism related to the mechanism of the antidepressant effect is important in predicting the response to antidepressants.
항우울제 치료 반응의 예측인자로서의 CREB-Phosphorylation
이유진(Yu Jin Lee),임신원(Shinn Won Lim),김수연(Soo Yeon Kim),정재원(Jae Won Jung),김진우(Jin Woo Kim),명우재(Woo Jae Myung),송지혜(Ji Hye Song),김도관(Doh Kwan Kim) 대한노인정신의학회 2010 노인정신의학 Vol.14 No.1
Objectives : CREB (c-AMP response element binding protein) is known as a key mediator of the therapeutic response to antidepressants. We investigated the change of CREB-phosphorylation (pCREB) at the early point of the fluoxetine treatment to find out it can be a predictor for antidepressant response. Methods : We evaluated the pCREB of T - lymphocyte nuclear extracts from 18 depressed patients at 0 and 1th week during fluoxetine treatment (20 mg/day). Responders were defined as the>or =50 % reduction of HAM-D score in 4 weeks. We compared the changes of pCREB at 0 and 1th week between responders and non-responders. Results : The responders showed a significant increase of pCREB at week 1 compared with week 0. The HAM-D difference between week 0 and 4 was positively correlated with the change of pCREB response. Conclusion : These results suggest that the early change of pCREB in peripheral lymphocyte can predict the later response of antidepressant. The correlation showed pCREB directly reflects a response status to the antidepressant fluoxetine and clinical improvement.