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1、替米沙坦對(duì)糖尿病大鼠肝細(xì)胞生長(zhǎng)因子的影響王小華,殷士良,趙玉萍,劉曉峰,趙春艷,周鳳娟河北省唐山市灤縣人民醫(yī)院內(nèi)分泌科河北灤縣063700摘要:目的探討替米沙坦對(duì)糖尿病大鼠肝細(xì)胞生長(zhǎng)因子的影響。方法雄性SD大鼠40只,單純隨機(jī)分為:正常組(C組),糖尿病模型組(D組),替米沙坦干預(yù)組(T組)。D和T組高糖高脂飼料喂養(yǎng)4周后以25mg/kg鏈脲佐菌素(STZ)尾靜脈一次性注射,C組常規(guī)飼料喂養(yǎng)4周后以等劑量的枸櫞酸鹽尾靜脈注射。給予STZ后一周,T組給予替米沙坦8.34mg/kg/d,C和D組等劑量溫水灌胃。所有大鼠繼續(xù)原飼料喂養(yǎng),給藥l2周末結(jié)束實(shí)驗(yàn)。
2、雙抗體夾心ELISA法和westernblot法分別檢測(cè)血清和心肌中HGF的表達(dá)。結(jié)果血清和心肌中HGF水平D組,T組高于C組,T組高于D組。結(jié)論替米沙坦能夠增加糖尿病大鼠HGF的表達(dá)。關(guān)鍵詞:2型糖尿病;心肌;肝細(xì)胞生長(zhǎng)因子;替米沙坦EffectsoftelmisartantoExpressionofhepatocytegrowthfactorintype2diabeticratsWangxiaohua,Yinshiliang,Zhaoyuping,Liuxiaofeng,Zhaochunyan,ZhoufengjuanDept.ofEndocrin
3、ology,PeopleHospital,LuanCounty,TangshanCity,HebeiProvince,Luanxian063700,China王小華,女,河北省唐山市灤縣人民醫(yī)院,碩士。通訊地址:河北省唐山市灤縣人民醫(yī)院內(nèi)分泌科,063700,聯(lián)系電話:13582873091,E-mail:wangxiaohua.1996@163.comAbstract:ObjectiveToexploretheeffectsoftelmisartantohepatocytegrowthfactor(HGF)intype2diabeticrats.Me
4、thodFortymaleSDratswererandomlydividedintothenormalgroup(Cgroup),diabetesmodelgroup(Dgroup),telmisartaninterventiongroup(Tgroup).RatsofDandTgroupswereinjectedbythetailveinwithstreptozotocin(STZ)25mg/kgafter4-weekfedwithhighcaloriediet;Cgroupwereinjectedbythetailveinwiththesamevo
5、lumecitricacidbufferafter4-weekfedwithcommondiet.After1weekinjectedtheSTZ,ratsofTgroupweregivenwithtelmisartan8.34mg/kg/dandratsofC,Dgroupswiththesamevolumewater.Theexperimentendeduntill2weeksgiventelmisartan.BloodsampleswereobtainedtomeasurethelevelsofHGFbydouble-antibodysandwi
6、chELISAmethod,ThesemiquantitativeexpressionsofHGFproteinofmyocardiumweredeterminedbywesternblotmethod.ResultsThelevelsofHGFofserumandmyocardiumofD,TgroupswereevatedstatisicallysignificantcomparedwihtCgroup;ThelevelsofHGFofTgroupswereevatedstatisicallycomparedwihtDgroup.Conclutio
7、nTelmisartancanincreateexpressionofHGFintype2diabeticrats.Keywords:Type2diabetesmellitus;Myocardium;Hepatocytegrowthfactor;Telmisartan糖尿病心肌病變是糖尿病慢性并發(fā)癥之一,獨(dú)立于冠狀動(dòng)脈粥樣硬化之外,以微血管為主要病理改變的心肌病變[1]??赡芘c心肌細(xì)胞能量代謝紊亂,細(xì)胞功能改變,凋亡增加,促使心肌纖維化的一些細(xì)胞因子和炎癥因子異常表達(dá)有關(guān)。HGF通過(guò)抗凋亡,促血管新生,修復(fù)內(nèi)皮細(xì)胞等方面對(duì)心肌具有保護(hù)作用。但提高心肌中
8、HGF的表達(dá),目前多采用外源性注射,由于其半衰期較短且價(jià)格昂貴,在治療方案的選擇上仍然存在較大