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  • Title: Assessment of 14 functional gene polymorphisms in Japanese patients with oral lichen planus: a pilot case-control study.
    Author: Fujita H, Kobayashi T, Tai H, Nagata M, Hoshina H, Nishizawa R, Takagi R, Yoshie H.
    Journal: Int J Oral Maxillofac Surg; 2009 Sep; 38(9):978-83. PubMed ID: 19497711.
    Abstract:
    Oral lichen planus (OLP) is a refractory mucosal disease. Its pathogenesis is thought to involve immunologic and genetic alterations. To gain a better understanding of the genetic risk factors, the authors evaluated associations between 14 functional gene polymorphisms and OLP. 32 Japanese patients with OLP and 99 unrelated healthy Japanese controls were genotyped for 14 single nucleotide polymorphisms (SNPs) of genes that regulate host immune responses. Genotyping was performed with a modified version of the serial invasive signal amplification reaction. A trend towards over-representation of tumor necrosis factor receptor 2 (TNFR2) +587 G allele was found in the patients compared with the controls (allele frequency: P=0.049). The other 13 SNPs were unassociated with OLP. These results suggest that TNFR2 +587 gene polymorphism may be associated with susceptibility to OLP.
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