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奥曲肽逆转人耐顺铂卵巢癌细胞耐药性及其机制研究 被引量:1

奥曲肽逆转人耐顺铂卵巢癌细胞耐药性及其机制研究
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摘要 目的观察奥曲肽(octreotide,OCT)逆转人耐顺铂卵巢癌细胞SKOV3/DDP耐药性的作用,并探讨其机制。方法 2009年7月至2010年1月于东南大学医学院中心实验室进行本实验。MTT法及流式细胞术观察顺铂、奥曲肽联合作用后人卵巢癌耐顺铂细胞株SKOV3/DDP增殖与凋亡的变化。实时荧光定量PCR检测奥曲肽对SK-OV3/DDP细胞生长抑素受体-2(somatostatin receptor-2,SSTR2)、多药耐药基因-1(multiple drug resistance-1,MDR1)、多药耐药相关蛋白-2(multidrug resistance related protein-2,MRP2)mRNA表达的影响。结果奥曲肽与顺铂有协同抗卵巢癌耐顺铂细胞增殖的效应,奥曲肽在质量浓度2.5~20mg/L能显著降低顺铂的IC50(P<0.05),提高细胞的凋亡率(P<0.05)。SKOV3/DDP细胞有SSTR2mRNA表达,但奥曲肽对SSTR2mRNA表达的调节作用不明显,奥曲肽显著降低SKOV3/DDP细胞MRP2mRNA的表达(P<0.05),作用呈剂量依赖性,但对MDR1mRNA的表达没有影响。结论奥曲肽可以与卵巢癌细胞表面SSTR2结合,发挥抗增殖、促凋亡等作用,并可能通过降低卵巢癌细胞MRP2的表达逆转顺铂耐药性。
出处 《中国实用妇科与产科杂志》 CAS CSCD 北大核心 2012年第7期533-535,共3页 Chinese Journal of Practical Gynecology and Obstetrics
基金 南京市科技基金资助项目(200901089)
关键词 奥曲肽 生长抑素 上皮性卵巢癌 耐药逆转 octreotide somatostatin epithelial ovarian cancer durg resistance reversal
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