• 1. 廣東藥學(xué)院附屬第一醫(yī)院肝膽外科( 廣州510080) ;;
  • 2 廣東藥學(xué)院臨床醫(yī)學(xué)院(廣州510224) ;;
  • 3. 中山大學(xué)附屬第一醫(yī)院肝膽外科(廣州510080);

【摘要】目的  探討三磷酸肌醇(IP3)和bax基因表達變化在金雀異黃素(genistein,Gen)誘導(dǎo)肝癌細胞凋亡中的作用。方法  以0 μmol/L Gen作用肝癌HepG2細胞72 h為對照組,以不同濃度(20、40、60及80 μmol/L)Gen為濃度依賴性實驗; 以60 μmol/L Gen作用于肝癌HepG2細胞0 h為對照組,60 μmol/L Gen作用于 HepG2 細胞不同時相(6、12、24、48及72 h)為時間依賴性實驗; 應(yīng)用同位素試劑盒檢測細胞IP3含量; RT-PCR分析bax mRNA表達; 流式細胞儀檢測細胞凋亡率。結(jié)果  不同濃度(20、40、60及80 μmol/L)的Gen作用于肝癌HepG2細胞72 h后,IP3含量顯著低于對照組〔(17.7±1.3)、(11.2±0.9)、(4.9±0.5)、(4.8±0.3) pmol/106 cells vs (29.4±0.5) pmol/106 cells〕,P<0.01; bax mRNA表達(RI,灰度與面積之積的相對強度)顯著高于對照組(0.26±0.02、0.33±0.05、0.35±0.06、0.38±0.05 vs 0.09±0.01),P<0.01; 細胞凋亡率也顯著高于對照組〔(10.1±0.9)%、(18.7±1.6)%、(28.7±2.5)%、(27.9±2.0)% vs (2.6±0.1)%〕,P<0.01。60 μmol/L Gen作用于肝癌HepG2細胞不同時相(6、12、24、48及72 h)后,各時相IP3含量顯著低于對照組〔(22.6±0.9)、(12.0±1.4)、(7.5±0.8)、(5.6±0.5)、(4.3±0.6) pmol/106 cells vs (29.2±0.6) pmol/106 cells〕,P<0.01;12 h后bax mRNA表達顯著高于對照組(0.25±0.06、0.29±0.02、0.30±0.02、0.35±0.04 vs 0.09±0.01),P<0.01; 24 h后各時相細胞凋亡率明顯高于對照組〔(7.4±0.5)%、(20.5±2.0)%、(30.7±1.6)% vs (2.6±0.1)%〕,P<0.01。結(jié)論 Gen能減少IP3生成,上調(diào)bax基因表達,誘導(dǎo)肝癌細胞凋亡。

引用本文: 馬興標(biāo) ,張繼紅,梁力建,黃潔夫. 金雀異黃素調(diào)節(jié)肝癌Hep G2 細胞bax基因表達誘導(dǎo)細胞凋亡的實驗研究. 中國普外基礎(chǔ)與臨床雜志, 2008, 15(4): 245-249. doi: 復(fù)制

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8.  Csokay B, Prajda N, Weber G, et al. Molecular mechanisms in the antiproliferative action of quercetin [J]. Life Sci, 1997; 60(24)∶2157.
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14.  張繼紅, 梁力建, 黃潔夫, 等. Genistein 上調(diào)肝癌HepG2細胞PTEN基因表達誘導(dǎo)凋亡的實驗研究 [J]. 中山大學(xué)學(xué)報(醫(yī)學(xué)科學(xué)版),2006; 27(3)∶285.
15.  張繼紅, 梁力建, 黃潔夫, 等. Genistein調(diào)節(jié)肝癌細胞PTEN和survivin蛋白表達的實驗研究 [J]. 中華普通外科雜志,2006; 21(9)∶654.
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18.  Schulte-Hermann R, Bursch W, Lw-Baselli A, et al. Apoptosis in the liver and its role in hepatocarcinogenesis [J]. Cell Biol Toxicol, 1997; 13(4-5)∶339.
19.  Grasl-Kraupp B, Ruttkay-Nedecky B, Müllauer L, et al. Inherent increase of apoptosis in liver tumors: implications for carcinogenesis and tumor regression [J]. Hepatology, 1997; 25(4)∶906.
20.  連君, 曹雪濤, 于益芝. Bcl-2, bax與腫瘤細胞凋亡 [J]. 中國生物治療雜志,2003; 10(3)∶232.
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  1. 1.  孫大業(yè), 郭艷林, 馬力耕主編. 細胞信號轉(zhuǎn)導(dǎo) [M]. 第2版. 北京: 科學(xué)出版社, 2000∶1~9.
  2. 2.  Duan XX, Ou JS, Li Y, et al. Dynamic expression of apoptosis-related genes during development of laboratory hepatocellular carcinoma and its relation to apoptosis [J]. World J Gastroenterol, 2005; 11(30)∶4740.
  3. 3.  Kountouras J, Zavos C, Chatzopoulos D. Apoptotic and anti-angiogenic strategies in liver and gastrointestinal malignancies [J]. J Surg Oncol, 2005; 90(4)∶249.
  4. 4.  Baskin-Bey ES, Gores GJ. Caspase-8, death-receptor signaling, and hepatocarcinogenesis: the Fas and the furious [J]. Gastroenterology, 2005; 129(5)∶1790.
  5. 5.  Singhal RL, Yeh YA, Look KY, et al. Coordinated increase in activities of the signal transduction enzymes PI kinase and PIP kinase in human cancer cells [J]. Life Sci, 1994; 55(19)∶1487.
  6. 6.  Shen F, Xue X, Weber G. Tamoxifen and genistein synergistically down-regulate signal transduction and proliferation in estrogen receptor-negative human breast carcinoma MDA-MB-435 cells [J]. Anticancer Res, 1999; 19(3A)∶1657.
  7. 7.  Yang E, Zha J, Jockel J, et al. Bad, a heterodimeric partner for Bcl-XL and Bcl-2, displaces Bax and promotes cell death [J]. Cell, 1995; 80(2)∶285.
  8. 8.  Csokay B, Prajda N, Weber G, et al. Molecular mechanisms in the antiproliferative action of quercetin [J]. Life Sci, 1997; 60(24)∶2157.
  9. 9.  Li Y, Sarkar FH. Gene expression profiles of genistein-treated PC3 prostate cancer cells [J]. J Nutr, 2002; 132(12)∶3623.
  10. 10.  Choi YH, Lee WH, Park KY, et al. p53-independent induction of p21WAF1/CIP1, reduction of cyclin B1 and G2/M arrest by the isoflavone genistein in human prostate carcinoma cells [J]. Jpn J Cancer Res, 2000; 91(2)∶164.
  11. 11.  Weber G, Shen F, Prajda N, et al. Regulation of the signal transduction program by drugs [J]. Adv Enzyme Regul, 1997; 37∶35.
  12. 12.   溫靜, 萬家椿. 信號轉(zhuǎn)導(dǎo)治療——疾病治療的新途徑 [J]. 醫(yī)學(xué)綜述,1997; 6(3)∶268.
  13. 13.  張繼紅, 梁力建, 黃潔夫. Genistein下調(diào)肝癌細胞survivin基因表達和誘導(dǎo)細胞凋亡的實驗研究 [J]. 中國病理生理雜志,2006; 22(2)∶372.
  14. 14.  張繼紅, 梁力建, 黃潔夫, 等. Genistein 上調(diào)肝癌HepG2細胞PTEN基因表達誘導(dǎo)凋亡的實驗研究 [J]. 中山大學(xué)學(xué)報(醫(yī)學(xué)科學(xué)版),2006; 27(3)∶285.
  15. 15.  張繼紅, 梁力建, 黃潔夫, 等. Genistein調(diào)節(jié)肝癌細胞PTEN和survivin蛋白表達的實驗研究 [J]. 中華普通外科雜志,2006; 21(9)∶654.
  16. 16.  Sanna MG, da Silva Correia J, Ducrey O, et al. IAP suppression of apoptosis involves distinct mechanisms: the TAK1/JNK1 signaling cascade and caspase inhibition [J]. Mol Cell Biol, 2002; 22(6)∶1754.
  17. 17.  徐宏勇, 李開宗, 付由池, 等. 人肝細胞癌中促凋亡基因bax的原位檢測及其臨床意義 [J]. 中國普外基礎(chǔ)與臨床雜志,2000; 7(4)∶238.
  18. 18.  Schulte-Hermann R, Bursch W, Lw-Baselli A, et al. Apoptosis in the liver and its role in hepatocarcinogenesis [J]. Cell Biol Toxicol, 1997; 13(4-5)∶339.
  19. 19.  Grasl-Kraupp B, Ruttkay-Nedecky B, Müllauer L, et al. Inherent increase of apoptosis in liver tumors: implications for carcinogenesis and tumor regression [J]. Hepatology, 1997; 25(4)∶906.
  20. 20.  連君, 曹雪濤, 于益芝. Bcl-2, bax與腫瘤細胞凋亡 [J]. 中國生物治療雜志,2003; 10(3)∶232.
  21. 21.  Wiesenauer CA, Yip-Schneider MT, Wang Y, et al. Multiple anticancer effects of blocking MEK-ERK signaling in hepatocellular carcinoma [J]. J Am Coll Surg, 2004; 198(3)∶410.