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首页> 外文期刊>Comparative Medicine >Left Ventricular Hypertrophy is Prevalent in Sprague–Dawley Rats
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Left Ventricular Hypertrophy is Prevalent in Sprague–Dawley Rats

机译:Sprague– Dawley大鼠普遍存在左心室肥大

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摘要

Unrecognizedcardiovascularabnormalitiesmayconfoundtheinterpretationofresearchdatacollectedusingrats.However,althoughSPFratcoloniesarescreenedformicrobesandkeptunderstandardizedenvironmentalconditions,theircardiovascularstatusislargelyunknown.Werecentlyperformedsurgeryonanesthetized80-d-oldSprague#8211;Dawleyratsandobservedahighmortalitythatcouldnotbeattributedtotheproceduresorprecedingtreatments.Uponnecropsy,cardiomyopathywasreadilyapparentinasubstantialproportionoftheserats.Tofurtherevaluatethenatureofthiscondition,weevaluatedthehistologyandmorphologyofheartsfrombothSprague#8211;DawleyandLewisrats.ComparedwithLewisrats,Sprague#8211;Dawleyratshadgreaterleftventricularwallthicknessandlargercardiomyocytecellsize.Severeleftventriclehypertrophywaspresentin38%ofyoungadultSprague#8211;Dawleyrats.ThesefindingsmayhaveimplicationsforresearchmodelsthatuseSprague#8211;Dawleyrats.
机译:Unrecognizedcardiovascularabnormalitiesmayconfoundtheinterpretationofresearchdatacollectedusingrats.However,althoughSPFratcoloniesarescreenedformicrobesandkeptunderstandardizedenvironmentalconditions,theircardiovascularstatusislargelyunknown.Werecentlyperformedsurgeryonanesthetized80-d-oldSprague#8211; Dawleyratsandobservedahighmortalitythatcouldnotbeattributedtotheproceduresorprecedingtreatments.Uponnecropsy,cardiomyopathywasreadilyapparentinasubstantialproportionoftheserats.Tofurtherevaluatethenatureofthiscondition,weevaluatedthehistologyandmorphologyofheartsfrombothSprague#8211; DawleyandLewisrats.ComparedwithLewisrats,斯普拉格#8211; Dawleyratshadgreaterleftventricularwallthicknessandlargercardiomyocytecellsize.Severeleftventriclehypertrophywaspresentin38%ofyoungadultSprague#8211; Dawleyrats.ThesefindingsmayhaveimplicationsforresearchmodelsthatuseSprague#8211; Dawleyrats。

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