J Periodon Res:miR-335-5p在实验性牙周炎发病机制中的潜在作用

2020-03-31 网络 网络

牙周炎是一种常见的口腔疾病,重度牙周炎可导致牙齿脱落。 在过去的研究中发现,micro RNAs在骨骼疾病中起着重要的作用。

牙周炎是一种常见的口腔疾病,重度牙周炎可导致牙齿脱落。 在过去的研究中发现,micro RNAs在骨骼疾病中起着重要的作用,而microRNA-335-5p(miR-335-5p)对成骨活性的促进作用也已得到充分证实,但其在牙周炎发病机制中的作用尚不清楚。

在本研究中,采用过表达miR-335-5p(335-Tg)的转基因小鼠,并通过结扎建立实验性牙周炎(EP),探讨了miR-335-5p对牙周炎症和骨吸收的作用。

采用定量实时PCR(qPC R)检测炎症和破骨细胞基因的表达。用微型计算机断层扫描 (μCT)分析牙槽骨的形态。采用苏木精和伊红(H&E),酒石酸耐药酸性磷酸酶(TRAP)和Toll样受体4(TLR4)免疫组织化学(IHC)染色进行组织学分析。

结果发现,在EP的牙周组织中,miR-335-5p的表达明显降低。 与WT-EP组相比, 335-Tg-EP组的骨吸收较少,伴有TRAP阳性破骨细胞数量减少。H&E 和IHC 染色在335-Tg-EP组中表现出炎症缓解和TLR4的表达降低..此外,在335-Tg-EP组中也检测到IL-1β、IL-6、TNF-α和TLR4的表达。 与WT-EP组相比,miR-335-5p在体内的过表达降低了牙槽骨的破坏和炎症水平

因此,miR -335-5p在预防实验性牙周炎骨吸收和炎症方面可能具有一定的作用。

原始出处:

Junxiang Lian,Potential roles of miR‐335‐5p on pathogenesis of experimental periodontitis. Journal of periodontal research,2020 March. Doi:10.1111/jre.12701

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    2020-06-21 lujian
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    2020-12-18 feather89
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    2020-07-30 smallant2002
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    2020-04-01 肿肿

    机制研究离临床仍然有距离,不过与临床结合思考,仍然有帮助的,不能仅仅是纯临床思维,转化思维同样重要

    0

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