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Int Immunopharmacol:Ketotifen富马酸盐可减弱与牙龈微环境调节有关的牙龈炎

2018-10-14 MedSci MedSci原创

牙龈炎主要是指发生在游离龈的炎症,且经治疗可逆。但是如果不及时治疗,可能会发展成牙周炎。在本研究中,研究人员探讨了富马酸酮替芬对牙龈炎的治疗作用。 研究纳入了具有不同程度牙龈炎的家猫。使用或不使用富马酸酮替芬(5mg/kg),每天两次处理动物,持续一周。测定富马酸酮替芬对牙龈指数、细胞积聚、介质释放、受体-配体相互作用、氧化应激、MAPK和NF-κB通路、上皮屏障和细胞凋亡的影响。 结

牙龈炎主要是指发生在游离龈的炎症,且经治疗可逆。但是如果不及时治疗,可能会发展成牙周炎。在本研究中,研究人员探讨了富马酸酮替芬对牙龈炎的治疗作用。

研究纳入了具有不同程度牙龈炎的家猫。使用或不使用富马酸酮替芬(5mg/kg),每天两次处理动物,持续一周。测定富马酸酮替芬对牙龈指数、细胞积聚、介质释放、受体-配体相互作用、氧化应激、MAPK和NF-κB通路、上皮屏障和细胞凋亡的影响。

结果显示,Ketotifen富马酸盐可减轻牙龈炎的发生和发展,抑制肥大细胞、B淋巴细胞、T淋巴细胞、巨噬细胞、中性粒细胞和嗜酸性粒细胞的浸润,以及IgE、β-氨基己糖苷酶、类胰蛋白酶、促胰酶、TNF-α、IL- 4和IL-13的释放,影响内皮细胞、成纤维细胞和上皮细胞增殖和凋亡,并诱导Th2细胞极化,其中富马酸酮替芬也可能影响它们的相互作用。富马酸酮替芬减少氧化应激,并抑制与肥大细胞和巨噬细胞积聚相关的NF-κB和p38 MAPK。Ketotifen富马酸盐改善了ZO-1的异常表达并抑制了随后的细胞凋亡。另一方面,这些细胞和介质增加了它们的功能属性,包括SCF/c-Kit,α4β7/VCAM-1和IL-8/IL-8RB相互作用,从而产生正反馈环,使炎症微环境持续存在于牙龈炎中。

综上所述,该研究结果显示,富马酸酮替芬对牙龈炎的治疗潜力尚未发现,并进一步表明,除生物膜外,靶向炎症微环境可能是治疗牙龈炎/牙周炎的新策略。

原始出处:

Yuan W, Hou S, et al., Ketotifen fumarate attenuates feline gingivitis related with gingival microenvironment modulation. Int Immunopharmacol. 2018 Oct 10;65:159-173. doi: 10.1016/j.intimp.2018.10.006.

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    2019-07-16 jj000001
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    2019-04-28 爆笑小医
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