J Periodontol:与牙周病有关的常见多态性基因IFI16和AIM2

2017-07-03 MedSci MedSci原创

本文对之前发现的牙周炎相关位点的单核苷酸多态性(SNP)进行了研究,并研究了其与微生物、生物和牙周病临床参数的关系。

对之前发现的牙周炎相关位点的单核苷酸多态性(SNP)进行了研究,并研究了其与微生物、生物和牙周病临床参数的关系。

在4,766名欧洲美国人(SNP rs1633266)中,全基因组关联扫描中突出显示的1q12中200-kb跨越区域被注释。 选择两个单元型区块。 这些多态性与微生物菌斑数据关联,对牙龈沟液(GCF) - 白细胞介素(IL)-1β水平和牙周病临床参数的关系进行了研究。应用免疫组织化学,对来自健康个体(n = 2)和慢性牙周炎个体(n = 2)的牙龈组织中IFI16和AIM2蛋白表达的进行描述性分析。

突出显示的位点是一个100-kb区域,含有干扰素γ诱导蛋白16(IFI16),在黑素瘤2(AIM2))基因中缺失。 两个单元型区块rs6940和rs1057028与探诊出血程度和牙龈卟啉单胞菌,福赛斯坦纳菌和直肠弯曲杆菌的微生物水平显着相关(P≤0.05)。单元型区块rs1057028也与病原体具核梭杆菌和伴放线放线杆菌水平, GCF-IL-1β水平增加,探诊深度≥4mm显着相关(P≤0.05)。 严重牙周炎(生物膜 - 牙龈界面P3分类)患病率与单元型区块rs1057028呈正相关关系。单元型区块rs1057028,也观察到类似的趋势。 在包括炎性细胞的多细胞型的牙龈组织中观察到IFI16和AIM2蛋白表达。

本研究发现IFI16和AIM2 SNPs与高水平的牙周微生物和牙周病临床参数的百分比增加相关,表明需要功能研究和1q12基因座中变型的额外精细定位。

原始出处:

Julie T. Marchesan, Yizu Jiao, Kevin Moss, et al. Common Polymorphisms in IFI16 and AIM2 Genes Are Associated With Periodontal Disease. Journal of periodontology. 2017 July. doi: 10.1902/jop.2017.160553)


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