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A Simple, Quantitative Method Using Alginate Gel to Determine Rat Colonic Tumor Volume In Vivo

机译:一种简单的定量方法,使用藻酸盐凝胶测定体内大鼠结肠肿瘤的体积

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Manystudiesoftheresponseofcolonictumorstotherapeuticsusetumormultiplicityastheendpointtodeterminetheeffectivenessoftheagent.Thesestudiescanbegreatlyenhancedbyaccuratemeasurementsoftumorvolume.Herewepresentaquantitativemethodtoeasilyandaccuratelydeterminecolonictumorvolume.Thisapproachusesabiocompatiblealginatetocreateanegativemoldofatumor-bearingcolon;thismoldisthenusedtomakepositivecastsofdentalstonethatreplicatetheshapeofeachoriginaltumor.Theweightofthedentalstonecastcorrelateshighlywiththeweightofthedissectedtumors.Afterrefinementofthetechnique,overallerrorintumorvolumewas16.9%±7.9%andincludeserrorfromboththealginateanddentalstoneprocedures.Becausethistechniqueislimitedtomoldingoftumorsinthecolon,weutilizedtheApcsupPirc/+/suprat,whichhasapropensityfordevel-opingcolonictumorsthatreflectthelocationofthemajorityofhumanintestinaltumors.Wehavesuccessfullyusedthedescribedmethodtodeterminetumorvolumesrangingfrom4to196mmsup3/sup.Alginatemoldingcombinedwithdentalstonecastingisafacilemethodfordeterminingtumorvolumeinvivowithoutcostlyequipmentorknowledgeofanalyticsoftware.Thisbroadlyaccessiblemethodcreatestheopportunitytoobjectivelystudycolonictumorsovertimeinlivinganimalsinconjunctionwithotherexperimentsandwithouttransferringanimalsfromthefacilitywheretheyaremaintained.
机译:Manystudiesoftheresponseofcolonictumorstotherapeuticsusetumormultiplicityastheendpointtodeterminetheeffectivenessoftheagent.Thesestudiescanbegreatlyenhancedbyaccuratemeasurementsoftumorvolume.Herewepresentaquantitativemethodtoeasilyandaccuratelydeterminecolonictumorvolume.Thisapproachusesabiocompatiblealginatetocreateanegativemoldofatumor-bearingcolon; thismoldisthenusedtomakepositivecastsofdentalstonethatreplicatetheshapeofeachoriginaltumor.Theweightofthedentalstonecastcorrelateshighlywiththeweightofthedissectedtumors.Afterrefinementofthetechnique,overallerrorintumorvolumewas16.9%±7.9%andincludeserrorfromboththealginateanddentalstoneprocedures.Becausethistechniqueislimitedtomoldingoftumorsinthecolon,weutilizedtheApc PIRC / + 大鼠,whichhasapropensityfordevel-opingcolonictumorsthatreflectthelocationofthemajorityofhumanintestinaltumors.Wehavesuccessfullyusedthedescribedmethodtodeterminetumorvolumesrangingfrom4to196mm 3 < / sup>。藻酸盐成型与牙科石铸模结合使用方便无需花费昂贵的设备或任何分析软件就可在不增加成本的设备或知识的情况下减少肿瘤的生存的方法。这种可广泛访问的方法可以在与其他实验相结合的动物中与动物进行长期研究,从而可以客观地研究结肠癌,并且无需从保留其设施的动物身上转移动物。

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