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1、第36卷第1期2013年2月遵義醫(yī)學(xué)院學(xué)報(bào)VO1.36No.1ACTAACADEMIAEMEDICINAEZUNYIFeb.2013·基礎(chǔ)醫(yī)學(xué)研究·不同劑量順鉑誘導(dǎo)小鼠卵巢功能早衰程度的差異羅嬌,張小雨,王鈺瑩,楊進(jìn),范振海,余麗梅.(1.遵義醫(yī)學(xué)院附屬醫(yī)院貴州省細(xì)胞工程重點(diǎn)實(shí)驗(yàn)室,2.貴州省基礎(chǔ)藥理重點(diǎn)實(shí)驗(yàn)室,貴州遵義563099)[摘要]目的比較不同劑量順鉑誘導(dǎo)小鼠卵巢功能早衰(POF)的差異,提供適宜的POF研究模型。方法6—8周雌性ICR小鼠腹腔注射不同劑量順鉑,觀察一般情況、動(dòng)情周期和卵巢組織病理學(xué)變化,計(jì)算小鼠死亡率。結(jié)果順鉑按首日給予3mg/kg,再
2、連續(xù)6d腹腔注射2mS/kg,小鼠除體重減輕外,一般狀況尚可,卵巢損傷相對(duì)較輕,停藥后14d,50%小鼠動(dòng)情周期恢復(fù)正常,顯微鏡下可見(jiàn)較多不同發(fā)育時(shí)期的卵泡及成熟卵泡,小鼠死亡率10%;連續(xù)7d給予順鉑3.0mg/kg,小鼠出現(xiàn)精神萎靡、食欲下降、動(dòng)情周期紊亂,停藥后14d動(dòng)情周期未恢復(fù),且小鼠死亡率達(dá)70%,卵巢組織中可見(jiàn)較多閉鎖卵泡,基本見(jiàn)不到發(fā)育成熟的卵泡。3d給予順鉑3ms/kg,再給予順鉑2.0ms/kg4d,小鼠的一般狀況、動(dòng)情周期與組織病理學(xué)變化介于前兩個(gè)方案之間,20%的小鼠死亡。結(jié)論小鼠前3d和后4d分別給予3mg/kg和2mg/kg順鉑腹腔注射
3、,在高存活率基礎(chǔ)上能更好地形成POF病變,是最為可行的誘導(dǎo)POF方案。[關(guān)鍵詞]順鉑;卵巢早衰;小鼠[中圖法分類號(hào)]R711.75[文獻(xiàn)標(biāo)識(shí)碼]A[文章編號(hào)]1000-2715(2013)01-0001-04Comparisonwiththechangesonprematureovarianfailureinmicein-ducedbydiferentdosesofcisplatinLuojiao一,Zhangxiaoyu,Wangyuying,rangfin,F(xiàn)anzhenhai,limei(1.KeyLaboratoryofCellEngineeringofG
4、uizhouProvince,AffiliatedHospitalofZunyiMedicalUniver.sity;2.KeyLaboratoryofBasicPharmacologyinGuizhouprovince,ZunyiMedicalUniversity,GuizhouZunyi563099,China)[Abstract]ObjectiveTocomparethechangesonprematureovarianfailure(POF)inmiceinducedbydifferentdosesofcisplatinfortheestablishmen
5、tofoptimalmurinePOFmode1.MethodsFemaleICRmicewereintraperitoneallyadministratedbydifferentdoseofcisplatinattheageof6—8weeks.Thegeneralstatus,oes~ouscycleandhistopathologyofovariantissuewereobserved.Themortalityofmicealsowascalculated.ResultsAftertreatedwithi.P.cisplatin3mg/kgonfirstda
6、yandfollowingi.P.cisplatin2me,/kgfor6days,themiceshowedsignificantlossofbodyweightandlittlechangesongeneralstatuesandhis—topathologyofovary.After14days,theoestrouscyclewererestoredin50%ofmice.Moreover,muchO-varianfolliclesatdifferentdevelopmentalstagesandmaturefolliclecouldbefoundinov
7、ary.Inaddition,themortalityofmicewas10%.Comparatively,themiceweretreatedwithi.p.ofcisplatin3mg/kgfor7daysshowedobviouslymentalfatigue,aswellasthelossofappetiteandthedysfunctionofestrouscycle.Furthermore,after14days,theestrouscyclecouldn’trecover.Andthemortalityofmiceincreasedsignif-ic
8、antly