首页> 外文期刊>The Korean Journal of Physiology & Pharmacology >Effects of prunetin on the proteolytic activity, secretion and gene expression of MMP-3 in vitro and production of MMP-3 in vivo
【24h】

Effects of prunetin on the proteolytic activity, secretion and gene expression of MMP-3 in vitro and production of MMP-3 in vivo

机译:普鲁宁对体外MMP-3蛋白水解活性,分泌和基因表达及体内MMP-3产生的影响。

获取原文
           

摘要

We investigated whether prunetin affects the proteolytic activity, secretion, and gene expression of matrix metalloproteinase-3 (MMP-3) in primary cultured rabbit articular chondrocytes, as well as in vivo production of MMP-3 in the rat knee joint to evaluate the potential chondroprotective eff ect of prunetin. Rabbit articular chondrocytes were cultured in a monolayer, and reverse transcription-polymerase chain reaction (RT-PCR) was used to measure interleukin-1β (IL-1β)-induced expression of MMP-3, MMP-1, MMP-13, a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4), and ADAMTS-5. In rabbit articular chondrocytes, the effects of prunetin on IL-1β-induced secretion and proteolytic activity of MMP-3 were investigated using western blot analysis and casein zymography, respectively. The eff ect of prunetin on MMP-3 protein production was also examined in vivo . The results were as follows: (1) prunetin inhibited the gene expression of MMP-3, MMP-1, MMP-13, ADAMTS-4, and ADAMTS-5; (2) prunetin inhibited the secretion and proteolytic activity of MMP-3; (3) prunetin suppressed the production of MMP-3 protein in vivo . These results suggest that prunetin can regulate the gene expression, secretion, and proteolytic activity of MMP-3, by directly acting on articular chondrocytes.
机译:我们研究了普鲁奈汀是否影响原代培养的兔关节软骨细胞的蛋白水解活性,分泌和基质金属蛋白酶3(MMP-3)的基因表达,以及在大鼠膝关节的体内MMP-3的产生,以评估其潜力普鲁宁的软骨保护作用。将兔关节软骨细胞单层培养,并使用逆转录聚合酶链反应(RT-PCR)检测白介素1β(IL-1β)诱导的MMP-3,MMP-1,MMP-13,带有血小板反应蛋白基序4(ADAMTS-4)和ADAMTS-5的双整合蛋白和金属蛋白酶。在兔关节软骨细胞中,分别使用蛋白质印迹分析和酪蛋白酶谱分析法研究了普鲁奈汀对IL-1β诱导的MMP-3分泌和蛋白水解活性的影响。体内还研究了普鲁涅汀对MMP-3蛋白产生的影响。结果如下:(1)普鲁涅汀抑制MMP-3,MMP-1,MMP-13,ADAMTS-4和ADAMTS-5的基因表达; (2)普鲁宁抑制MMP-3的分泌和蛋白水解活性; (3)普鲁宁抑制体内MMP-3蛋白的产生。这些结果表明,通过直接作用于关节软骨细胞,普鲁宁可以调节MMP-3的基因表达,分泌和蛋白水解活性。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号