硫酸 (Pelvetia siliquosa) 聚糖通过NF-κB途径减弱 Pyroptosis 抑制氧酸盐对石质形成的作用
Xin-Yi Tong1, Xue-Wu Chen1, Jia-Yi Zhang1
1College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China.
Marine drugs
|February 26, 2026
概括
来自Pelvetia siliquosa的海洋多糖化合物抑制细胞灭,降低氧化酸的结石形成风险. 硫化增强了它们对细胞炎症和晶体粘附的保护作用.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 细胞生物学 细胞生物学
- 生物化学 生物化学
背景情况:
- 氧化 (CaOx) 的结石形成涉及上皮细胞的灭.
- 抑制热致死可能会降低结石的风险.
研究的目的:
- 为了研究Pelvetia siliquosa多糖 (PSP0和PSP3) 对细胞的灭酶抑制作用.
- 为了评估这些多糖的抗结石形成潜力.
主要方法:
- 诱导HK-2细胞通过使用氧化单酸盐 (COM) 进行热灭菌.
- 评估了PSP0和PSP3对热的作用,使用caspase-1/PI染色和西方斑点.
- 测量了晶体粘附,活性氧物种和乳酸脱酶水平.
主要成果:
- COM诱导了17.87%的热;PSP0和PSP3将其降低到分别为12.7%和6.35%.
- 与热致死相关的蛋白质 (NLRP3,ASC,gasdermin D,IL-1β,IL-18) 和NF-κB通路激活的下调.
- 比PSP0更有效地抑制热和降低COM晶体粘附.
结论:
- 通过NLRP3/ASC/caspase-1/IL-1β通路,PSP0和PSP3可以抑制细胞灭.
- 这些多糖减少炎症,细胞损伤和粘附蛋白的表达.
- 硫酸的Pelvetia siliquosa多糖有效地降低了CaOx晶体的粘附,降低了结石形成的风险.
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