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1、GLP-1受体激动剂艾塞那肽对肿瘤细胞增殖迁移的影响张瑞,刘羞菲,王慧,王小翠,童强,郑宏庭(400037重庆,第三军医大学新桥医院内分泌科)[摘要]目的通过体外细胞实验观察GLP-1受体激动剂艾塞那肽对乳腺癌、结肠癌、胰腺癌三种肿瘤细胞增殖迁移的影响。方法选取乳腺癌MDA-MB-231细胞、结肠癌HCT116细胞、胰腺癌HS766T细胞三种肿瘤细胞作为实验研究对象,每种细胞分为对照组、二甲双胍组、艾塞那肽组,利用CCK-8分别检测三种肿瘤细胞各个组别72小时后的增殖能力;利用Transwell小室法观察12小时后三种肿瘤细胞各个组别的迁移能力。结果艾塞那肽组与
2、对照组相比,MDA-MB-231细胞的增殖受到显著抑制(P<0.01),HCT116细胞的增殖受到抑制(P<0.05),而胰腺癌细胞HS766T细胞增殖无影响(P>0.05)。Transwell体外细胞迁移结果显示,艾塞那肽组显著抑制MDA-MB-231细胞迁移(18.10±5.82,P<0.01),抑制HCT116细胞迁移(21.20±5.35,P<0.05),但是艾塞那肽组却显著增加HS766T细胞迁移(165.40±21.66,P<0.01)。结论GLP-1受体激动剂艾塞那肽可以抑制乳腺癌、结肠癌细胞的增殖与迁移,虽没有影响胰腺癌细胞增殖,却促进其迁移,其
3、对不同肿瘤细胞的影响具有差异性。[关键词]艾塞那肽;乳腺癌细胞;结肠癌细胞;胰腺癌细胞EffectofGLP-1agonistexenatideonmigrationandproliferationoftumorcellZhangRui,LiuXiufei,HuiWang,WangXiaocui,TongQiang,ZhengHongting(DepartmentofEndocrinology,XinqiaoHospital,ThirdMilitaryMedicalUniversity,Chongqing,40037,China)[Abstract]Object
4、iveToobservetheeffectofexenatideonbreastcancercells,coloncancercells,pancreaticcancercellsproliferationandmigrationinvitro.MethodsBreastcancercellsMDA-MB-231,coloncancercellsHCT116andpancreaticcellsHS766Twereslectedasexperimentalsubjects.Eachtypeofcellswasdividedintocontrolgroup,metf
5、ormingroupandexenatidegroup.Afteradministrationofmetforminandexenatiderespevtly,CCK-8wasusedforproliferationdetectionineachgroupat72hours,themigrationoftumorcellswasobservedusingTranswellchamberassayat12hours.ResultsComparedwiththecontrolgroup,theproliferationofMDA-MB-231cellsinexena
6、tidegroupwassignificantlyinhibited(P<0.01),theproliferationofHCT116cellswereinhibited(P<0.05),andtheproliferationofHS766Twasnoteffected(P>0.05).TranswellmigrationassayshowsthatMDA-MB-231cellmigrationwassignificantlyinhibitedbyexenatide(18.10±5.82,P<0.01),HCT116cellmigrationwasalsoinh
7、ibited(21.20±5.35,P<0.05),butcellmigrationinHS766Tgroupwassignificantlyincreasedbyexenatide.(165.40±21.66,P<0.01)ConclusionBreastcancercellsandcoloncancercellsproliferationandmigrationwasinhibitedbyexenatide,pancreaticcancercellsproliferationwasnoteffected,butthemigrationwaspromoted,
8、Exenatideeff