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时间:2020-06-03
《食欲素A对绵羊黄体化颗粒细胞食欲素受体1(OX1R)表达的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、华北农学报·2013,28(6):98-103食欲素A对绵羊黄体化颗粒细胞食欲素受体1(OX1R)表达的影响13111112李文佼,杜晨光,菅瑞珍,温世勇,王伟平,孙博,徐晓静,刘永志(1.内蒙古农业大学兽医学院,内蒙古呼和浩特010018;2.内蒙古农牧业科学院,内蒙古呼和浩特010030;3.内蒙古农业大学职业技术学院,内蒙古包头014109)摘要:为了观察不同剂量食欲素A在不同时间对绵羊黄体化颗粒细胞OX1R表达的影响,在绵羊黄体化颗粒细胞中添加不同剂量(0.05,0.2,0.5,1μg/mL)食欲素A
2、,分别于刺激后0,2,6,12h提取细胞总RNA,运用RT-qPCR方法检测了OX1RmRNA相对表达量变化。结果表明,OX1RmRNA分布于绵羊黄体化颗粒细胞中;添加高剂量(1μg/mL)食欲素A在2h显著性促进OX1RmRNA表达(P<0.01),随后这种作用会逐渐减弱;添加低剂量(0畅05,0.2,0.5μg/mL)食欲素A后12h时会显著促进OX1RmRNA表达(P<0.01),且0.2μg/mL剂量组促进作用更为显著。食欲素A诱导并上调OX1RmRNA的表达,高剂量(1μg/mL)食欲素A可以迅速诱
3、导其表达,而低剂量(0.05,0.2,0.5μg/mL)食欲素A诱导作用较为缓慢,且高剂量(1μg/mL)组食欲素A同低剂量(0.05,0.2,0.5μg/mL)组相比,上调作用更加迅速。关键词:食欲素A;食欲素受体1;绵羊;黄体化颗粒细胞中图分类号:S826;Q78文献标识码:A文章编号:1000-7091(2013)06-0098-06EffectofOrexins(Hypocretin)AontheExpressionofOX1RinOvionIuteinizedGranulosaCells1311LI
4、Wen-jiao,DUChen-guang,JIANRui-zhen,WENShi-yong,1112WANGWei-ping,SUNBo,XUXiao-jing,LIUYong-zhi(1.CollegeofVeterinary,InnerMongoliaAgriculturalUniversity,Huhhot010018,China;2.InnerMongoliaAcademyofAgriculturalandAnimalHusbandrySciences,Huhhot010030,China;3.Vo
5、cationalandTechnicalCollege,InnerMongoliaAgriculturalUniversity,Baotou014109,China)Abstract:ToobservetheeffectoforexinAontheexpressionofOX1Rinovineluteinizedgranulosacellsinvitro,thecellsweretreatedwithdifferentconcentrations(0.05,0.2,0.5,1μg/mL)oforexinsA.
6、ThenthetotalRNAwasextractedfromthecellsaftertreatedin0,2,6,12h,andthemRNAexpressionlevelsofOX1Rwereeval-uatedusingreversetranscriptionquantitativePCR.Inresult,orexinAinducedreleaseofOX1Rinovineluteinizedgranulosacells.Inhighconcentration(1μg/mL)group,theOX1
7、RmRNAexpressionlevelwasincreasedtothehighestin2h(P<0.01)andgraduallyweakenedsincethen;inlowconcentration(0.05,0.2,0.5μg/mL)group,theOX1RmRNAexpressionlevelwasincreasedin12handtheexpressionlevelof0.2μg/mLgroupwasin-creasedtothehighestin12h(P<0.01).OrexinAind
8、ucedexpressionsofOX1RmRNA,thegroupof1μg/mLwasmorerapidupregulationcomparedwiththelowconcentration(0.05,0.2,0.5μg/mL)group.Keywords:OrexinA;OX1R;Sheep;Luteinizedgranulosacells[1]食欲素(Orexins),又称为下丘脑泌素(Hy
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