Odontology:B10细胞会调节宿主免疫从而减少牙槽骨的骨质丧失

2020-10-03 MedSci原创 MedSci原创

牙周炎是由牙周病原体引起的疾病,以牙周炎症和牙槽骨吸收为特征。事实证明,宿主免疫反应促进了牙周炎的发生和发展。本研究旨在建立B10细胞在牙周炎期间调节宿主免疫的功能和机制,研究结果在线发表于Odont

牙周炎是由牙周病原体引起的疾病,以牙周炎症和牙槽骨吸收为特征。事实证明,宿主免疫反应促进了牙周炎的发生和发展。本研究旨在建立B10细胞在牙周炎期间调节宿主免疫的功能和机制,研究结果在线发表于Odontology。

纯化牙周病原体特异性B10细胞,然后将其注射到受者体内,建立过继转移模型。比较了健康、正常模型、实验性牙周炎模型和B10细胞过继转移的实验性牙周炎模型中的炎症细胞因子和调节性T(Treg)/Th17细胞表达。

 

结果显示,与实验性牙周炎动物相比,转移B10细胞通过减少牙周破骨细胞生成,缓解牙槽骨吸收(P < 0.05)。此外,研究还发现,B10细胞转移到实验性牙周炎,可增加IL-10的表达(P<0.05),但降低IL-17(P<0.05)和核因子κB配体(RANKL)受体激活剂(P<0.05)基因和蛋白在局部病变中的表达。此外,B10细胞的过继转移降低了牙龈中Th17细胞的比例(P < 0.05)。

 

综上所述,该研究结果证实,B10细胞可以通过减少促炎细胞因子的表达,降低Th17细胞的局部增殖,从而调节局部宿主免疫反应,预防牙槽骨的炎症损伤。

 

原始出处:

 

Tie ShiYing Jin, et al., IL-10 secreting B cells regulate periodontal immune response during periodontitis. Odontology. 2020 Jul;108(3):350-357.doi: 10.1007/s10266-019-00470-2. 

 

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    2020-11-30 mei540
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    2020-10-05 wincls
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    2020-10-05 Eleven17
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