Temporomandibular disorder is associated with a serotonin transporter gene polymorphism in the Japanese population

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Abstract

Aims: Recent genetic studies have linked serotonin-related genetic polymorphisms with diverse disorders characterized by functional somatic symptoms, including chronic fatigue syndrome, irritable bowel syndrome, and premenstrual dysphoric disorder. Methods: We investigated three serotonin-related genetic polymorphisms by screening genomic DNA of 36 temporomandibular disorder (TMD) patients. Results: A significant increase of longer alleles (l and xl) was found in the TMD patients compared to the controls both by the genotype-wise and the allele-wise analyses (both p < 0.01 by χ2 test and Fisher's exact test). Conclusion: Genetic factors that involve the serotonergic system may play a role in the pathogenesis of TMD. © 2007 Ojima et al; licensee BioMed Central Ltd.

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Ojima, K., Watanabe, N., Narita, N., & Narita, M. (2007). Temporomandibular disorder is associated with a serotonin transporter gene polymorphism in the Japanese population. BioPsychoSocial Medicine, 1. https://doi.org/10.1186/1751-0759-1-3

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