Sequential changes of hypoxia—inducible factor 1 alpha in experimental spinal cord injury and its significance-中国期刊网

摘要 Objective:TostudythesequentialchangesofHIF-1α(hypoxia-induciblefactor1alpha)inexperimentalspinalcordinjuryinratsandtoanalyzeitspotentialeffectsinSCI.Methods:AstaticcompressionmodelofSCIwasemployedinthisstudy.ExpressionsofHIF-1αweremeasuredwithimmunohistochemicalstaining,whileflowcytometrywasusedtodeterminetheapoptoticratioandbcl-2expressions.Results:HIF-1αbegantoincrease1dayafterinjury,andreachedthepeakat3-7days.Twoweekslater,itdeclinedsignificantly.ThesequentialchangesofHIF-1αcoincidedwellwiththealterationsofapoptoticratioandcontentsofbel-2.Conclusions:HIF-1αpossiblyparticipatesinthesecondaryischemicandhypoxicproceduresafterspinalcordinjury,andmaymediatethetraumaticapoptosis.FurtherunderstandingofHIF-1αmayprovidenewtherapeuticregimensforSCI.

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Sequential changes of hypoxia—inducible factor 1 alpha in experimental spinal cord injury and its significance

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Sequential changes of hypoxia—inducible factor 1 alpha in experimental spinal cord injury and its significance

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