伊古拉提莫德通过阿拉基酸积累抑制了对体积敏感的向外调整的离子通道
Takahiro Shimizu1, Shiho Sumiyoshi1, Kyosuke Fujita2
1Department of Pharmaceutical Physiology, Faculty of Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan.
抗风湿药物伊古拉提莫德 (Iguratimod) 通过抑制体积敏感外向整整 (VSOR) 化物通道来抑制免疫细胞的活性. 这种与酸增加相关的作用,可以解释其在类风湿性疾病中的抗炎作用.
科学领域:
- 免疫学 免疫学 免疫学
- 道生理学 道生理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 伊古拉莫德是一种抗风湿剂,以抑制炎症性细胞因子和B细胞增殖而闻名.
- 体积敏感外向整正 (VSOR) Cl-通道越来越多地被认为是它们在调节免疫反应中的作用.
研究的目的:
- 为了研究伊古拉提莫德对VSOR Cl-通道活性的影响.
- 阐明iguratimod调节VSORCl-电流的机制.
主要方法:
- 在人类胚胎脏293T细胞上进行了全细胞补丁记录.
- 细胞被置于低压条件下以诱导VSORCl-电流.
- 评估了iguuratimod,celecoxib (COX-2抑制剂) 和 pyrrophenone (PLA2抑制剂) 的作用.
主要成果:
- 伊古拉提莫德以度依赖的方式抑制了低压性诱导的VSORCl-电流.
- 切莱科西布还抑制了VSORCl-电流,而烯减弱了iguratimod的抑制作用.
- 在低血压条件下,Iguratimod和celecoxib增加了自由阿拉基酸水平.
结论:
- 伊古拉提莫德抑制了VSOR Cl-通道活性,可能是通过在透性胀期间通过COX-2抑制增加自由阿拉基酸水平.
- 这种对VSORCl-通道的调节可能有助于iguratimod在类风湿性疾病中的抗炎作用.
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