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Journal of Mood Disorders
Journal of Mood Disorders
Periodical of Turkish Association for Psychopharmacology Mood Disorders Work Group (TAP MooD WorG)
Journal Home Page
ISSN: 2146-1473 (Print)
ISSN: 2146 -2380 (Online)
Language: [ Turkish ]   [ English ]  

  » Volume 3, Issue 1
      pp. 1-40

 

Open Access

Original Research



Lack of association between COMT gene polymorphism and treatment outcome in major depression

Salih Selek, Mehmet C. Kaya, Mehmet Emin Erdal, Mahmut Bulut, Murat Eren Ozen, Mehmet Yumru, Ömer Barlas, Aysun Kalenderoglu, Hasan Herken.

A B S T R A C T 

Abstract
Background & Aim: Abnormal activity of Catechol-O-methyl transferase (COMT), as a major degrading enzyme of catecholaminergic neurotransmitters may be enrolled in the pathogenesis of mood disorders. The aim of this study was to investigate the association between COMT genetic polymorphism and major depression patients.
Method: The study included 137 unrelated major depressive disorder (MDD) patients and 153 healthy unrelated controls, all were of Turkish origin. The patients were treated with antidepressant drugs for 8 weeks. All patients were assessed by Hamilton Depression Rating Scale (HDRS) before and after the antidepressant treatment. The analysis of COMT G1947A polymorphism was performed using PCR based endonuclease digestion method.
Results: No significant difference was found between MDD and control subjects. In the MDD patients, there was no relationship between duration of illness, and pretreatment HDRS scores in respect to COMT gene polymorphism. The distribution of COMT genotypes and alleles was not significantly different among the controls and MDD patients.
Conclusion: Our findings indicated that distribution of COMT genetic polymorphism were not different significantly between the patients and controls. No allele was found to be a predictor for treatment outcome by antidepressant therapy or for clinical manifestations in MDD.

Key words: COMT gene, antidepressant treatment response, gender, major depression, polymorphism



KOMT gen polimorfizmi ile major depresyon tedavi sonuçları arasındak ilişki bulunmaması

Özet
Amaç: Katokolaminerjik nörotransmitter enzim yıkıcılarından Katekol-O-Metil Transferaz (KOMT)’ın anormal aktivitesi mizaç bozukluklarının patogenezinde rol oynayabilir. Bu çalışmanın amacı KOMT gen polimorfizmi ile major depresyon hastaları arasındaki ilişkiyi incelemektir.
Yöntem: Çalışma, Türk kökenli 137 majör depresyon (MD) hastası ile 153 kontrolü içermektedir. Hastalar 8 hafta süreyle antidepresan tedavisi görmüştür. Bütün hastalar Hamilton Depresyon Derecelendirme Ölçeği (HDDÖ) ile tedavi öncesi ve sonrası değerlendirilmiştir. COMT G1947A polimorfizmi PZR kökenli endonükleaz injesyon metdu ile yapılmıştır.
Bulgular: MD hastaları ile kontroller arasında anlamlı bir fark bulunamamıştır. Hasta grubunda hastalık süresi ve tedavi öncesi HDDÖ skorları ile KOMT gen polimorfizmi arasında bağıntı bulunamamıştır. KOMT genotip ve alellerinin dağılımı hasta ve controller arasında anlamlı olarak farklı değildi.
Sonuç: Bulgularımız KOMT gen polimorfizminin hasta ve controller arasında anlamlı olarak farklı olmadığını göstermiştir. MD’nin klinik görünüm ve antidepresan tedavisiyle ile ilişkili bir alel bulunamamıştır.

Anahtar Kelimeler: KOMT Geni, antidepresan tedavi yanıtı, cinsiyet, major depresyon, polimorfizm


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How to Cite this Article
Pubmed Style

Selek S, Kaya MC, Erdal ME, Bulut M, Ozen ME, Yumru M, Barlas Ö, Kalenderoglu A, Herken H. Lack of association between COMT gene polymorphism and treatment outcome in major depression. JMOOD. 2011; 1(1): 19-24.



Web Style

Selek S, Kaya MC, Erdal ME, Bulut M, Ozen ME, Yumru M, Barlas Ö, Kalenderoglu A, Herken H. Lack of association between COMT gene polymorphism and treatment outcome in major depression. www.scopemed.org/?mno=7525 [Access: May 21, 2013].



AMA (American Medical Association) Style

Selek S, Kaya MC, Erdal ME, Bulut M, Ozen ME, Yumru M, Barlas Ö, Kalenderoglu A, Herken H. Lack of association between COMT gene polymorphism and treatment outcome in major depression. JMOOD. 2011; 1(1): 19-24.



Vancouver/ICMJE Style

Selek S, Kaya MC, Erdal ME, Bulut M, Ozen ME, Yumru M, Barlas Ö, Kalenderoglu A, Herken H. Lack of association between COMT gene polymorphism and treatment outcome in major depression. JMOOD. (2011), [cited May 21, 2013]; 1(1): 19-24.



Harvard Style

Selek, S., Kaya, M. C., Erdal, M. E., Bulut, M., Ozen, M. E., Yumru, M., Barlas, Ö., Kalenderoglu, A. & Herken, H. (2011) Lack of association between COMT gene polymorphism and treatment outcome in major depression. JMOOD, 1 (1), 19-24.



Turabian Style

Selek, Salih, Mehmet C. Kaya, Mehmet Emin Erdal, Mahmut Bulut, Murat Eren Ozen, Mehmet Yumru, Ömer Barlas, Aysun Kalenderoglu, and Hasan Herken. 2011. Lack of association between COMT gene polymorphism and treatment outcome in major depression. Journal of Mood Disorders, 1 (1), 19-24.



Chicago Style

Selek, Salih, Mehmet C. Kaya, Mehmet Emin Erdal, Mahmut Bulut, Murat Eren Ozen, Mehmet Yumru, Ömer Barlas, Aysun Kalenderoglu, and Hasan Herken. "Lack of association between COMT gene polymorphism and treatment outcome in major depression." Journal of Mood Disorders 1 (2011), 19-24.



MLA (The Modern Language Association) Style

Selek, Salih, Mehmet C. Kaya, Mehmet Emin Erdal, Mahmut Bulut, Murat Eren Ozen, Mehmet Yumru, Ömer Barlas, Aysun Kalenderoglu, and Hasan Herken. "Lack of association between COMT gene polymorphism and treatment outcome in major depression." Journal of Mood Disorders 1.1 (2011), 19-24. Print.



APA (American Psychological Association) Style

Selek, S., Kaya, M. C., Erdal, M. E., Bulut, M., Ozen, M. E., Yumru, M., Barlas, Ö., Kalenderoglu, A. & Herken, H. (2011) Lack of association between COMT gene polymorphism and treatment outcome in major depression. Journal of Mood Disorders, 1 (1), 19-24.




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