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Clin Rheumatol. 2002 Jun;21(3):194-7.

Absence of association of the serotonin transporter gene polymorphism with the mentally healthy subset of fibromyalgia patients.

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1
Department of Physical Medicine Rehabilitation, Kolejtepe, Gaziantep, Turkey. gursoysavas@hotmail.com

Abstract

The serotonin transporter (5-HTT) gene is considered to be a promising candidate for genetic involvement in some mood disorders owing to its role in the regulation of serotoninergic neurotransmission. In this study, we aimed to assess the significance of the 5-HTT gene in fibromyalgia syndrome (FS) as well as to find out whether the 5-HTT gene polymorphism is associated with this disease. Fifty-three mentally healthy fibromyalgia patients and 60 unrelated healthy volunteer controls were included in the study. Symptom Checklist-90-Revised (SCL-90-R), Beck Depression Inventory (BDI), and State and Trait Anxiety Inventory tests (STAI-I and II) were applied to both patients and controls. A PCR analysis of 5-HTT gene polymorphism was performed, and the results of the patients with FS and healthy controls were compared. In both FS patients and healthy controls the S/S, S/L and L/L alleles of the 5-HTTLPR genotype were represented in 24.5 % and 33%, 56.6% and 38.3%, and 18.9% and 28.3%, respectively. Additionally, in FS patients and healthy controls the 10/10, 10/12 and 12/12 alleles of the VNTR variant were represented in 5.9% and 11.7, 51% and 36.7%, and 43.1% and 51.7%, respectively. The 5-HTTLPR and VNTR results of the patients and controls were not significantly different ( P>0.05). We concluded that neither 5-HTT nor its polymorphism is associated with FS. Our results also address the frequencies of 5-HTT gene alleles in our population. Further studies are required to better understand the genetic basis of FS.

PMID:
12111622
[Indexed for MEDLINE]

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