Biosci Rep:TNF-α基因启动子多态性与牙周炎的关系

2018-03-03 MedSci MedSci原创

牙周炎是一种非常常见的炎性口腔疾病。肿瘤坏死因子α(TNF-α)是一种细胞因子,参与牙龈组织的破坏和重塑。我们旨在调查TNF-α基因启动子区域的单核苷酸多态性(SNPs)与东印度群体侵袭性和慢性牙周炎的易感性的关系。研究共分离出397份静脉血DNA样本,其中40名为侵袭性牙周炎患者,157名为慢性牙周炎患者,其余200名为健康人。在牙周炎和对照受试者的患者中,通过PCR测序对启动子区处的TNF-α

牙周炎是一种非常常见的炎性口腔疾病。肿瘤坏死因子α(TNF-α)是一种细胞因子,参与牙龈组织的破坏和重塑。我们旨在调查TNF-α基因启动子区域的单核苷酸多态性(SNPs)与东印度群体侵袭性和慢性牙周炎的易感性的关系。

研究共分离出397份静脉血DNA样本,其中40名为侵袭性牙周炎患者,157名为慢性牙周炎患者,其余200名为健康人。在牙周炎和对照受试者的患者中,通过PCR测序对启动子区处的TNF-α的五个SNP(rs361525,rs1800629,rs1799724,rs1800630,rs1799964)进行了基因分型。尽管只有侵袭性牙周炎患者的等位基因频率不同,侵袭性和慢性牙周炎患者的rs1800629(-308G/A)多态性与对照人群相比更频繁。另一方面,rs361525(-238G / A)多态性的基因型和等位基因变异在侵袭性和慢性牙周炎中明显低于对照。慢性牙周炎患者和对照者的rs1799724(-857C/T)和rs1799964(-1031T/C)等其他多态性差异均有统计学意义。

研究结果表明,TNF-α基因的rs1800629(-308G/A)多态性与侵袭性和慢性牙周炎相关,而TNF-α基因的rs1799724(-857C/T)和rs1799964(-1031T/C)多态性与只与随着对慢性牙周炎的易感性增加。

原始出处:

Majumder P, Thou K, et al., Association of Tumor Necrosis Factor-α (TNF-α) Gene Promoter Polymorphisms with Aggressive and Chronic Periodontitis in Eastern Indian population. Biosci Rep. 2018 Feb 15. pii: BSR20171212. doi: 10.1042/BSR20171212. [Epub ahead of print]

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    2019-01-10 sunylz
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    2018-03-05 snowpeakxu
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    2018-03-05 xzw120