马格诺林通过CXCL10/p38信号通路缓解皮肤衰老
Cheng Wang1, Xiaoyun Hu2,3, Tianlin Song1
1Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.
Journal of cellular and molecular medicine
|May 19, 2025
概括
CXC动机化学因子连接体10 (CXCL10) 通过诱导细胞衰老和细胞外基质降解来驱动皮肤衰老. 马格诺林是一种天然化合物,有效抑制CXCL10并减轻皮肤衰老,提供了一种新的治疗方法.
科学领域:
- 皮肤病学和细胞生物学
- 老龄化的分子机制.
- 激发了研究的火焰.
背景情况:
- 皮肤衰老与全身衰老和降低疾病抵抗力有关.
- 炎症是皮肤衰老的关键因素,但其机制尚未完全理解.
- 识别特定的炎症驱动因素对于理解和治疗皮肤衰老至关重要.
研究的目的:
- 为了确定诱导皮肤衰老的炎症因素.
- 在皮肤衰老中研究CXC动机化学因子连接体10 (CXCL10) 的机制.
- 评估马格诺林作为CXCL10诱导的皮肤衰老的抑制剂的潜力.
主要方法:
- 查皮肤衰老诱导剂和抑制剂.
- 研究CXCL10及其受体CXCR3在人类原发性纤维细胞中的作用.
- 评估马格诺林对细胞衰老标记 (β-gal活性,p21/p16表达) 和细胞外矩阵降解 (MMP1,MMP9,MMP10) 的影响.
- 分析p38信号通路的参与.
- 在ex vivo和in vivo人类皮肤模型中评估magnolin对紫外线诱导的皮肤衰老的疗效.
主要成果:
- 鉴定出CXC动机化学因子连接体10 (CXCL10) 是一种新的皮肤衰老诱导因子.
- 在纤维细胞中,CXCL10激活了C-X-C动机化学受体3 (CXCR3),增强了β-银酸酶活性,并上调了p21/p16和矩阵金属蛋白酶 (MMP1,MMP9,MMP10).
- 从Magnolia biondii花中提取的Magnolin通过p38信号通路显著抑制CXCL10诱导的皮肤衰老表型.
- 马格诺林在减轻紫外线诱导的皮肤衰老方面表现出有效性ex vivo和in vivo人类皮肤.
结论:
- 通过诱导细胞衰老和细胞外基质降解,CXCL10促进皮肤衰老.
- 马格诺林有效地对抗CXCL10驱动的皮肤衰老.
- 这项研究强调了CXCL10在炎症中的作用,并提出磁作为预防和治疗皮肤衰老的潜在治疗剂.
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