微小RNA-7在上皮性卵巢癌原发灶及转移灶中表达的研究The expression of miR-7 in primary epithelial ovarian cancer tissues and metastatic tissues
楼微华;周星辰;邱丽华;
摘要(Abstract):
目的:检测上皮性卵巢癌组织原发灶、转移灶中miR-7及其靶标EGFR蛋白的表达,探讨miR-7及EGFR与卵巢癌转移的关系。方法:采用显色原位杂交(CISH)检测miR-7在卵巢癌组织原发灶、转移灶石蜡切片中的表达;采用免疫组化检测EGFR蛋白表达。结果:上皮性卵巢癌转移灶中miR-7表达显著低于原发灶(P<0.05),而EGFR表达显著高于原发灶(P<0.05);miR-7与EGFR表达具有相关性(r=-0.441,P<0.05)。结论:miR-7可能通过EGFR抑制卵巢癌的转移,miR-7可能成为治疗卵巢癌的新靶标。
关键词(KeyWords): 上皮性卵巢癌;表皮生长因子受体;微小RNA-7;转移
基金项目(Foundation): 国家自然基金委面上项目(No:81072138);; 上海交通大学医工交叉项目(No:YG2010MS24);; 上海交通大学医学院附属仁济医院重点学科项目
作者(Authors): 楼微华;周星辰;邱丽华;
DOI: 10.13283/j.cnki.xdfckjz.2014.05.004
参考文献(References):
- [1]Lee RC,Feinbaum RL,and Ambros V.The C.elegans heterochronic gene lin-4 encodes small RNAs with antisense complementarity to lin-14[J].Cell,1993,75(5):843-854
- [2]Nam EJ,Yoon H,Kim SW,et al.MicroRNA expression profiles in serous ovarian carcinoma[J].Clin Cancer Res,2008,14(9):2690-2695
- [3]Chou YT,Lin HH,Lien YC,et al.EGFR promotes lung tumorigenesis by activating miR-7 through a Ras/ERK/Myc pathway that targets the Ets2 transcriptional repressor ERF[J].Cancer Res,2010,70(21):8822-8831
- [4]Jiang L,Liu X,Chen Z,et al.MicroRNA-7 targets IGF1R(insulin-like growth factor 1 receptor)in tongue squamous cell carcinoma cells[J].Biochem J,2010,432(1):199-205
- [5]Saydam O,Senol O,Wurdinger T,et al.miRNA-7 attenuation in schwannoma tumors stimulates growth by upregulating three oncogenic signaling pathways[J].Cancer Res,2010,71(3):852-861
- [6]Tanner M,Gancberg D,Di Leo A,et al.Chromogenic in situ hybridization:a practical alternative for fluorescence in situ hybridization to detect HER-2/neu oncogene amplification in archival breast cancer samples[J].Am J Pathol,2000,157(5):1467-1472
- [7]Brennecke J,Stark A,Russell RB,et al.Principles of microRNA-target recognition[J].PLoS Biol,2005,3(3):e85
- [8]Bou Kheir T,Futoma-Kazmierczak E,Jacobsen A,et al.miR-449 inhibits cell proliferation and is down-regulated in gastric cancer[J].Mol Cancer,2011,3(18)10-29
- [9]Chen Y,Zhang J,Wang H,et al.miRNA-135a promotes breast cancer cell migration and invasion by targeting HOXA10[J].BMC Cancer,2012,3(23):12-111
- [10]Loganathan S,Kandala PK,Gupta P,et al.Inhibition of EGFR-AKT Axis Results in the Suppression of Ovarian Tumors In Vitro and in Preclinical Mouse Model[J].PLoS One,2012,7(8):e43577
- [11]Webster RJ,Giles KM,Price KJ,et al.Regulation of epidermal growth factor receptor signaling in human cancer cells by microRNA-7[J].J Biol Chem,2009,284(9):5731-5741
- [12]Liu X,Li G,Su Z,et al.Poly(amido amine)is an ideal carrier of miR-7 for enhancing gene silencing effects on the EGFR pathway in U251 glioma cells[J].Oncol Rep,2013,29(4):1387-1394
- [13]周星辰.微小RNA-7抑制人卵巢癌细胞株增殖及侵袭能力的研究[J].现代妇产科进展,2012,69(6):332-336