目的 根據(jù)基因庫中的人肝素酶(HPSE)基因序列,構(gòu)建針對(duì)肝素酶基因的小干擾RNA(siRNA)及其表達(dá)載體,轉(zhuǎn)染MDA-MB-231細(xì)胞后觀察其對(duì)肝素酶基因的干擾作用。
方法 設(shè)計(jì)肝素酶靶向的發(fā)夾狀siRNA,合成2條互補(bǔ)的寡核苷酸鏈共4對(duì),退火后連接入pGPU6/GFP/Neo載體,轉(zhuǎn)化后進(jìn)行序列鑒定,轉(zhuǎn)染MDA-MB-231細(xì)胞,熒光照片,RT-PCR (real-time PCR)檢測(cè)肝素酶mRNA的表達(dá)情況。 結(jié)果 設(shè)計(jì)出4條針對(duì)肝素酶的siRNA,將退火后的雙鏈寡核苷酸片段克隆到pGPU6/GFP/Neo載體,經(jīng)過陽性菌落酶切鑒定與測(cè)序,結(jié)果正確。再將siRNA載體轉(zhuǎn)染到MDA-MB-231細(xì)胞株,RT-PCR檢測(cè)肝素酶mRNA表達(dá)明顯降低(P lt;0.05)。
結(jié)論 成功構(gòu)建了針對(duì)肝素酶基因的siRNA載體,轉(zhuǎn)染到MDA-MB-231細(xì)胞株后細(xì)胞肝素酶基因的表達(dá)明顯降低,從而為腫瘤治療提供了一種新的方法。
引用本文: 劉啟志,王烈. siRNA表達(dá)載體對(duì)肝素酶基因的沉默作用. 中國(guó)普外基礎(chǔ)與臨床雜志, 2010, 17(2): 142-146. doi: 復(fù)制
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24. | 童強(qiáng), 舒曉剛, 盧曉明, 等. STAT3基因短發(fā)夾RNA表達(dá)質(zhì)粒的構(gòu)建及其對(duì)胃癌細(xì)胞生長(zhǎng)和侵襲的抑制作用 [J]. 中國(guó)普外基礎(chǔ)與臨床雜志, 2009; 16(1): 611. |
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- 1. BenZaken O, Shafat I, GingisVelitski S, et al. Low and high affinity receptors mediate cellular uptake of heparanase [J]. Int J Biochem Cell Biol, 2008; 40(3): 530542.
- 2. Reiland J, Sanderson RD, Waguespack M, et al. Heparanase degrades syndecan1 and perlecan heparan sulfate functional implications for tumor cell invasion [J]. J Biol Chem, 2004; 279(9): 80478055.
- 3. Xu X, Ding J, Rao G, et al. Estradiol induces heparanase1 expression and heparan sulphate proteoglycan degradation in human endometrium [J]. Hum Reprod, 2007; 22(4): 927937.
- 4. Sanderson RD, Yang Y, Suva LJ, et al. Heparan sulfate proteoglycans and heparanase-partners in osteolytic tumer growth and metastasis [J]. Matrix Biol, 2004; 23(6): 341352.
- 5. Cohen I, Pappo O, Elkin M, et al. Heparanase promotes growth, angiogenesis and survival of primary breast tumors [J]. Int J Cancer, 2005; 118(7): 16091617.
- 6. Ilan N, Elkin M, Vlodavsky I. Regulation, function and clinical significance of heparanase in cancer metastasis and angiogenesis [J]. Int J Biochem Cell Biol, 2006; 38(12): 20182039.
- 7. Doviner V, Maly B, Kaplan V, et al. Spatial and temporal heparanase expression in colon mucosa throughout the adenomacarcinoma sequence [J]. Mod Pathol, 2006; 19(6): 878888.
- 8. 肖毅, 馮云路, 錢家鳴, 等. 乙酰肝素酶在結(jié)直腸癌中的表達(dá)及意義 [J]. 中國(guó)普外基礎(chǔ)與臨床雜志, 2007; 14(4): 442447.
- 9. Shinyo Y, Kodama J, Hongo A, et al. Heparanase expression is an independent prognostic factor in patients with invasive cervical cancer [J]. Ann Oncol, 2003; 14(10): 15051510.
- 10. Hannon GJ. RNA interference [J]. Nature, 2002; 418(6894): 244251.
- 11. Brummelkamp TR, Bernards R, Agami R. A system for stable expression of short interfering RNAs in mammalian cells [J]. Science, 2002; 296(5567): 550553.
- 12. Zhang ZH, Chen Y, Zhao HJ, et al. Silencing of heparanase by siRNA inhibits tumor metastasis and angiogenesis of human breast cancer in vitro and in vivo [J]. Cancer Biol Ther, 2007; 6(4): 587595.
- 13. Sommerfeldt N, Beckhove P, Ge Y, et al. Heparanase: a new metastasisassociated antigen recognized in breast cancer patients by spontaneously induced memory T lymphocytes [J]. Cancer Res, 2006; 66(15): 77167723.
- 14. Sambrook J, Russell DW著. 黃培堂譯. 分子克隆實(shí)驗(yàn)指南 [M]. 第4版. 北京: 科學(xué)出版社, 2005: 2628.
- 15. 王守立, 姚輝華, 董亮, 等. 脂質(zhì)體介導(dǎo)TGF1 shRNA轉(zhuǎn)染的方法 [J]. 蘇州大學(xué)學(xué)報(bào)(醫(yī)學(xué)版), 2008; 28(2): 222225.
- 16. 任亮, 朱寶芹, 張軼博, 等. 利用軟件Primer Premier 5.0 進(jìn)行PCR引物設(shè)計(jì)的研究 [J]. 錦州醫(yī)學(xué)院學(xué)報(bào), 2004; 25(6): 4345.
- 17. 翟中會(huì), 陳希南, 王娟. 利用Primer Premier 5.0進(jìn)行引物設(shè)計(jì) [J]. 西北醫(yī)學(xué)教育, 2008; 16(4): 695698.
- 18. Livak KJ, Schmittgen TD. Analysis of relative gene expression data using realtime quantitative PCR and the 2-△△CT method [J]. Methods, 2001; 25(4): 402408.
- 19. 唐永凱, 賈永義. 熒光定量PCR數(shù)據(jù)處理方法的探討 [J]. 生物技術(shù), 2008; 18(3): 8991.
- 20. Kelly T, Miao HQ, Yang Y, et al. High heparanase activity in multiple myeloma is associated with elevated microvessel density [J]. Cancer Res, 2003; 63(24): 87498756.
- 21. Vlodavsky I, Ilan N, Nadir Y, et al. Heparanase, heparin and the coagulation system in cancer progression [J]. Thromb Res, 2007; 120(Suppl 2): S112S120.
- 22. Maxhimer JB, Quiros RM, Stewart R, et al. Heparanase1 expression is associated with the metastatic potential of breast cancer [J]. Surgery, 2002; 132(2): 326333.
- 23. Gtte M, Yip GW. Heparanase, hyaluronan, and CD44 in cancers: a breast carcinoma perspective [J]. Cancer Res, 2006; 66(21): 1023310237.
- 24. 童強(qiáng), 舒曉剛, 盧曉明, 等. STAT3基因短發(fā)夾RNA表達(dá)質(zhì)粒的構(gòu)建及其對(duì)胃癌細(xì)胞生長(zhǎng)和侵襲的抑制作用 [J]. 中國(guó)普外基礎(chǔ)與臨床雜志, 2009; 16(1): 611.
- 25. 劉利平, 陳孝平, 楊盛力, 等. 沉默缺氧誘導(dǎo)因子1 對(duì)肝癌細(xì)胞化療敏感性影響及相關(guān)機(jī)理的研究 [J]. 中國(guó)普外基礎(chǔ)與臨床雜志, 2008; 15(4): 234239.