简介：Thisstudyaimedtoexploretheroleofmechanicaltensioninhypertrophicscarsandthechangeinnervedensityusinghematoxylin-eosinstainingandS100immunohistochemistry,andtoobservetheexpressionofnervegrowthfactorbywesternblotanalysis.Theresultsdemonstratedthatmechanicaltensioncontributedtotheformationofahyperplasticscarinthebackskinofrats,inconjunctionwithincreasesinbothnervedensityandnervegrowthfactorexpressioninthescartissue.Theseexperimentalfindingsindicatethatthecutaneousnervoussystemplaysaroleinhypertrophicscarformationcausedbymechanicaltension.
简介：Forty-threepatientswithchronicspinalcordinjuryforover6monthsweretransplantedwithembryonicolfactoryensheathingcells,2–4×106,intomultiplesitesintheinjuredareaunderthesurgicalmicroscope.Thesympatheticskinresponseinpatientswasmeasuredwithanelectromyography/evokedpotentialinstrument1daybeforetransplantationand3–8weeksaftertransplantation.SpinalnervefunctionofpatientswasassessedusingtheAmericanSpinalInjuryAssociationimpairmentscale.Thesympatheticskinresponsewaselicitedin32casesbeforeolfactoryensheathingcelltransplantation,whileitwasobservedin34casesaftertransplantation.Concomitantly,sympatheticskinresponselatencydecreasedsignificantlyandamplitudeincreasedsignificantlyaftertransplantation.TransplantationofolfactoryensheathingcellsalsoimprovedAmericanSpinalInjuryAssociationscoresformovement,painandlighttouch.Ourfindingsindicatethatolfactoryensheathingcelltransplantationimprovesmotor,sensoryandautonomicnervefunctionsinpatientswithchronicspinalcordinjury.
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