乳矩阵衍生物抑制口腔上皮细胞中的化学因表达
Layla Panahipour1, Sara Botta1, Azarakhsh Oladzad Abbasabadi1
1Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Sensengasse 2a, 1090 Vienna, Austria.
International journal of molecular sciences
|September 28, 2023
概括
乳矩阵衍生物 (EMD) 通过激活TGF-β信号来降低口腔上皮细胞中的炎症性化学基因表达. 这一发现支持EMD.
科学领域:
- 口腔生物学 口腔生物学
- 免疫学 免疫学 免疫学
- 细胞信号传递 细胞信号传递
背景情况:
- 牙周炎的上皮细胞表现出增加的化学激素表达,表明它们在炎症中的作用.
- 乳矩阵衍生物 (EMD) 有助于牙周组织再生,并可能对上皮细胞具有抗炎性质.
研究的目的:
- 在口腔上皮细胞中建立化学因表达的生物试验.
- 为了研究EMD对化学激素表达的抗炎能力.
- 阐明EMD作用中涉及的信号通路.
主要方法:
- 开发了一个使用HSC2口腔状癌细胞与TNFα刺激的生物试验.
- 通过RNAseq和聚合酶连锁反应分析了化基因表达.
- 评估了EMD对化学激素水平的影响,并使用SB431542抑制剂调查了TGF-β信号的参与.
主要成果:
- 在HSC2细胞中,TNFα强烈增加了化学激素表达 (CXCL1,CXCL2,CXCL8,CCL5,CCL20).
- EMD显著降低了这些化学因子的转录和CXCL8蛋白表达.
- 通过TGF-β规范信号传递,通过smad3酸化和smad2/3核转移确认EMD诱导的抗炎作用.
结论:
- 通过减少口腔上皮细胞中的化学因表达,EMD显示出抗炎潜力.
- EMD的抗炎作用通过TGF-β信号通路的激活来介导.
- 这些发现表明,EMD在治疗牙周炎症方面可能是有益的.
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