【摘要】目的構建攜帶多藥耐藥mdr1全長基因的真核表達載體并研究其在人肝癌細胞HepG2中的表達。
方法雙酶切質(zhì)粒pHaMDR1,獲取含mdr1全長cDNA片斷,將此片段定向克隆到真核表達載體PCI-neo多克隆位點,經(jīng)脂質(zhì)體法轉(zhuǎn)染HepG2細胞,G418篩選穩(wěn)定的細胞系HepG2/mdr1,PCR檢測mdr1特異片段,RT-PCR 檢測HepG2/mdr1細胞mdr1 mRNA表達,流式細胞儀檢測HepG2/mdr1細胞P-gp的含量。
結(jié)果成功構建攜帶mdr1全長基因的真核表達載體,并在HepG2細胞中表達,形成穩(wěn)定的細胞系HepG2/mdr1,其mdr1 mRNA及P-gp的含量較未轉(zhuǎn)染該載體的HepG2細胞顯著增加。
結(jié)論用真核表達載體將mdr1全長基因?qū)肴烁伟┘毎鸋epG2能夠建立高效、穩(wěn)定的多藥耐藥細胞系,為進一步研究多藥耐藥機理提供理想的細胞模型。
引用本文: 陳永兵,余少鴻,嚴律南,茍興華,李德華,趙蘭英,張淑彬. 多藥耐藥真核表達載體的構建及其在人肝癌細胞HepG2中表達△. 中國普外基礎與臨床雜志, 2005, 12(3): 254-257. doi: 復制
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- 1. Chang G, Roth CB. Structure of MsbA from E. coli: a homolog of the multidrug resistance ATP binding cassette (ABC) transporters [J]. Science, 2001; 293(5536)∶1793.
- 2. Siddiqui A, Kerb R, Weale ME, et al. Association of multidrug resistance in epilepsy with a polymorphism in the drugtransporter gene ABCB1 [J]. N Engl J Med, 2003; 348(15)∶1442.
- 3. Rajagopal A, Simon SM. Subcellular localization and activity of multidrug resistance proteins [J]. Mol Biol Cell, 2003; 14(8)∶3389.
- 4. Ueda K, Cardarelli C, Gottesman MM, et al. Expression of a fulllength cDNA for the human “MDR1” gene confers resistance to colchicine, doxorubicin, and vinblastine [J]. Proc Natl Acad Sci USA, 1987; 84(9)∶3004.
- 5. Juliano RL, Ling V. A surface glycoprotein modulating drug permeability in Chinese hamster ovary cell mutants [J]. Biochim Biophys Acta, 1976; 455(1)∶152.
- 6. Callen DF, Baker E, Simmers RN, et al. Localization of the human multiple drug resistance gene, MDR1, to 7q21.1 [J]. Hum Genet, 1987; 77(2)∶142.
- 7. Scanlon KJ, Ishida H, KashaniSabet M. Ribozymemediated reversal of the multidrugresistant phenotype [J]. Proc Natl Acad Sci USA, 1994; 91(23)∶11123.
- 8. Yang LY, Trujillo JM. Biological characterization of multidrugresistant human colon carcinoma sublines induced/selected by two methods [J]. Cancer Res, 1990; 50(11)∶3218.
- 9. Wang FS, Kobayashi H, Liang KW, et al. Retrovirusmediated transfer of antiMDR1 ribozymes fully restores chemosensitivity of Pglycoproteinexpressing human lymphoma cells [J]. Hum Gene Ther, 1999; 10(7)∶1185.
- 10. 張洪新,王執(zhí)民,郭衛(wèi)平,等. 耐藥人肝癌細胞模型7721/Adm的建立 [J]. 第四軍醫(yī)大學學報, 2000; 21(4)∶425.
- 11. 王寶成,郭軍,狄劍時,等. 肝癌多藥耐藥細胞株的建立及其多藥耐藥機理的研究 [J]. 腫瘤防治研究, 1997; 24(5)∶263.
- 12. 樊愛琳,王執(zhí)民,劉國鵬,等. 逆轉(zhuǎn)錄病毒轉(zhuǎn)染法建立耐藥性大鼠CRBH7919細胞系 [J]. 第二軍醫(yī)大學學報, 2002; 23(5)∶263.
- 13. Ledoux S, Yang R, Friedlander G, et al. Glucose depletion enhances Pglycoprotein expression in hepatoma cells: role of endoplasmic reticulum stress response [J]. Cancer Res, 2003; 63(21)∶7284.
- 14. Nakajima T, Takayama T, Miyanishi K, et al. Reversal of multiple drug resistance in cholangiocarcinoma by the glutathione Stransferasepispecific inhibitor O1hexadecylgammaglutamylSbenzylcysteinylDphenylglycine ethylester [J]. J Pharmacol Exp Ther, 2003; 306(3)∶861.