The effects of sodium hyaluronate on mRNA expressions of matrix metalloproteinase-1,-3 and tissue inhibitor of metalloproteinase-1 in cartilage and synovium of traumatic osteoarthritis model

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摘要 Objective:Toobservetheinfluenceofintra-articularinjectionofsodiumhyaluronate(HA)onthemRNAexpressionsofmatrixmetalloproteinase-1,-3(MMP-1,-3)andtissueinhibitorofmetalloproteinase-1(TIMP-1)incartilageandsynoviumoftraumaticosteoarthritis(OA).Methods:Sixteenwhiterabbitsunderwentunilateralanteriorcruciateligamenttransection(ACLT)weredividedinto2groupsrandomly5weeksaftertransection.Theexperimentalgrouprabbitsreceived0.3mlof1%HAbyintra-articularinjectiononceaweek.Animalsinthecontrolgroupweretreatedunderthesameconditionsusingphysiologicalsaline.Tenweeksfollowingsurgery,cartilageandsynoviumwereharvested.ThemRNAexpressionsofMMP-1,MMP-3andTIMP-1wereanalyzedusingreversetranscription-polymerasechainreaction(RT-PCR).Results:Insynovium,themRNAexpressionofMMP-3wassuppressedintheHAinjectiongroup.HAtreatmenthadnoeffectontheMMP-3expressionincartilage.NosignificantdifferenceofMMP-1andTIMP-1expressionsincartilageandsynoviumwasfoundbetweentheHAinjectiongroupandthecontrolgroup.Conclusions:OneofthemechanismsofthetherapeuticeffectofHAmaybetheinhibitionofexpressionofMMP-3insynoviumduringearlystageoftraumaticOA.
机构地区 不详
出版日期 2005年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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