摘要
采用静注5-HT、Pb-Acet同时口灌LPS对大鼠进行肠源性内毒素血症造模。造模后三小时,测血、组织PLA2和SOD活性。结果表明,模型组大鼠血清、肺、肝、肾组织匀浆的FLA2活性明显高于正常组,而大承气汤治疗组则与正常组无异;相反模型组肺、肝、肾组织匀浆SUD活性,则较正常组明显下降,而大承气汤治疗组则与正常组无异,说明大承气汤在肠源性内毒素血症病理形成过程中能明显抑制PLA2活性的升高,有益于减轻组织的损害;此外,又可阻止SOD活力的下降,从而增强对过量产生的O2的消除能力。
heanimalmodelofenterotoxemiawasinducedbygivingLPSorallyandintravenuuslyinjectedwifh5-HTandleadacetatesimultaneouslytorats.Theanimalsweredividedintothreegroups:normalgroup,modelgroupandDTtreatinggroup.3hoursafterthemodelwasmadePLA2activityinserumandPLA2andSODactivityintissuehomogenatesweredetect-ed.TheresultsshowedthatPLA2activityinserumandinlung,liverandkidneyhomo-genatesofmodelratsweremuchhigherthannormalgrouprats.TheresultofDTtreatinggroup,however,showednodifferencewithnormalgroup.Onthecontrary,SODactivityintissuehomo-genatesofmodelratsshowedsignificantdecreasecomparedwithnormalrats.Butltdidn-tshowanydifferenceinDTtreainggroupwithnormalgroup.ltsuggestedthatDTcouldinhibittherisingofPLA2activityandthedecreasingofSODactivityintheformingofenterotoxemia,whichisbeneficialforalleviatingtissueinjury.Thelatterchangescouldre-inforcetheclearingabilityofextra-generatedO2.
出处
《中国中西医结合外科杂志》
CAS
1996年第6期463-465,共3页
Chinese Journal of Surgery of Integrated Traditional and Western Medicine