Journal of Digital Convergence (디지털융복합연구)

The Society of Digital Policy and Management (한국디지털정책학회)
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Gene Polymorphism of TNF-α in Korean Generalized Aggressive Periodontitis

한국인 전반적 급진성 치주염 환자에서 발견된 TNF-α 유전자의 다변성

  • Kim, Il-Shin (Dept. of Dental Hygiene, Health Science College, Honam University)
  • 김일신 (호남대학교 보건과학대학 치위생학과)
  • Received : 2015.11.28
  • Accepted : 2016.01.20
  • Published : 2016.01.28
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Abstract

The aim of this study was to evaluate the association between TNF polymorphism and generalized aggressive periodontitis (GAP) in Korean subjects. The study population consisted of 60 subjects with GAP and 81 reference group. Genomic DNA was extracted from the buccal swabs and the polymorphisms of $TNF-{\alpha}-308$, -238 promoter genes, $TNF-{\beta}+252$ and TNFR 2+587 were determined by PCR-RFLP using restriction enzymes. The genotype distribution in the GAP were 3.2%, 38.7%, and 82.35% for A/A, A/G and G/G genotypes of $TNF-{\alpha}-308$. At the position of $TNF-{\alpha}-238$, the genotype distribution in the GAP were 25.5% and 74.5% for A/G and G/G genotypes. Allele A frequency of $TNF-{\alpha}-238$ were 67.6% in GAP and 72.2% in reference group. According to these findings, the polymorphism at $TNF-{\alpha}-308$ and -238 may be associated with GAP in Korean.

치주질환은 치아주위 조직에 발현된 염증성 질환이다. 전염증성 사이토카인인 $TNF-{\alpha}$는 국소적인 염증이나 전반적인 염증과 관련이 있는 것으로 알려져 있다. 본 연구의 목적은 한국인에서 TNF 유전자 다형성과 전반적 급진성 치주염 간의 관계를 알아보고자 하였다. 연구대상은 실험군이 60명, 대조군이 81명 이었다. 협측에서 DNA를 채취하여 각 제한효소를 이용한 PCR-RFLP에 의해 $TNF-{\alpha}-308$과 -238을 측정하였다. 급진성 치주염 환자에서 $TNF-{\alpha}-308$ 유전자형은 A/A 3.2%, A/G 38.7% 그리고 G/G 82.35%가 나타났으며 대조군에서는 각 9.1%, 45.5%, 45.5%로 유의한 차이를 보이는 결과이다. $TNF-{\alpha}-238$의 대립유전자 2의 빈도는 실험군에서 67.6%, 대조군에서 72.2%로 유의한 차이를 보였다. 이러한 결과에 따르면 $TNF-{\alpha}-308$과 -238의 유전자다변성은 한국인의 급진성치주염과 연관이 있을 것으로 생각된다.

Keywords

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