• 武警醫(yī)學(xué)院1.附屬醫(yī)院檢驗科;2.附屬醫(yī)院營養(yǎng)科;3.中心實驗室,天津 300162;

目的:檢測李斯特菌DNA對小鼠H22肝癌Bcl2基因表達的影響,探討細菌DNA對腫瘤的抑制作用。方法:建立H22肝癌小鼠模型,從模型建立后的第一天開始,隨機分組,分別給予李斯特菌DNA液(實驗組)和生理鹽水(對照組)。從癌組織中提取總RNA,設(shè)計目的基因引物和內(nèi)參照GAPD引物。采用RT-PCR方法,分別檢測實驗組及對照組小鼠瘤體Bcl-2基因的表達,應(yīng)用Bio-RAD凝膠成像系統(tǒng)及在Quantity One軟件輔助下分析測定表達結(jié)果。結(jié)果:實驗組小鼠瘤體Bcl-2表達低于對照組,經(jīng)統(tǒng)計學(xué)處理,兩者有顯著性差異。結(jié)論:李斯特菌DNA對H-22肝癌小鼠腫瘤有抑制作用。

引用本文: 師鐘睿,王瑋,曹占良,韓景田. 李斯特菌DNA對小鼠H22肝癌Bcl-2基因表達的影響. 華西醫(yī)學(xué), 2009, 24(2): 380-382. doi: 復(fù)制

1. Lin J,Lin E,Nemunaitis J.Bacteria in the treatment of cancer[J].Curr Opin Mol Ther,2004,6(6):629-639..
2. Ryan RM,Green J,Lewis CE.Use of bacteria in anticancer therapies[J].Bioessays,2006,28(1):84-94..
3. Tokunaga T,Yamamoto H,Shimada S,et al.Antitumor activity of deoxyribonucleic acid fraction from Mycobacterium bovis BCG.Ⅰ.Isolation,physicochemical characterization,and antitumor activity[J].J Natl Cancer Inst,1984,72(4):955-962..
4. Ballas ZK,Rasmussen WL,Krieg AM.Induction of NK activity in murine and human cells by CpG motifs in oligodeoxynucleotides and bacterial DNA[J].J Immunol,1996,157(5):1840-1845..
5. Bauer M,Heeg K,Wagner H,et al.DNA activates human immune cells through a CpG sequencedependent manner[J].Immunology,1999,97(4):699-705..
6. Krieg AM.CpG motifs in bacterial DNA and their immune effects[J].Annu Rev Immunol,2002,20:709-760..
7. Krieg AM,Wagner H.Causing a commotion in the blood:immunotherapy progresses from bacteria to bacterial DNA[J].Immunol Today,2000,21(10):521-526..
8. Krieg AM,Yi AK,Matson S,et al.CpG motifs in bacterial DNA trigger direct Bcell activation[J].Nature,1995,374(6522):546-549..
9. Paterson Y,Maciag PC.Listeriabased vaccines for cancer treatment[J].Curr Opin Mol Ther,2005,7(5):454-460.
10. Reed JC.Bcl2 and the regulation of programmed cell death[J].J Cell Biol,1994,124(1-2):16..
11. Oltvai ZN,Milliman CL,Korsmeyer SJ.Bcl2 heterodimerizes in vivo with a conserved homolog,Bax,that accelerates programmed cell death[J].Cell,1993,74(4):609-619..
12. Fisher TC,Milner AE,Gregory CD,et al.bcl2 modulation of apoptosis induced by anticancer drugs:resistance to thymidylate stress is independent of classical resistance pathways[J].Cancer Res,1993,53(14):3321-3326..
13. Sparwasser T,Koch ES,Vabulas RM,et al.Bacterial DNA and immunostimulatory CpG oligonucleotides trigger maturation and activation of murine dendritic cells[J].Eur J Immunol,1998,28(6):2045-2054..
14. Stacey KJ,Sweet MJ,Hume DA.Macrophages ingest and are activated by bacterial DNA[J].J Immunol,1996,157(5):2116-2122..
15. Cowdery JS,Chace JH,Yi AK,et al.Bacterial DNA induces NK cells to produce IFNγ in vivo and increases the toxicity of lipopolysaccharides[J].J Immunol,1996,156(12):4570-4575..
16. Heckelsmiller K,Rall K,Beck S,et al.Peritumoral CpG DNA elicits a coordinated response of CD8 T cells and innate effectors to cure established tumors in a murine colon carcinoma model[J].J Immunol,2002,169(7):3892-3899..
17. Yamamoto S,Yamamoto T,Shimada S,et al.DNA from bacteria,but not from vertebrates,induces interferons,activates natural killer cells and inhibits tumor growth[J].Microbiol Immunol,1992,36(9):983-997..
18. Stacey KJ,Young GR,Clark F,et al.The molecular basis for the lack of immunostimulatory activity of vertebrate DNA[J].J Immunol,2003,170(7):36143620..
19. Pamer EG.Immune responses to Listeria monocytogenes[J].Nat Rev Immunol,2004,4(10):812823..
20. 戴智勤,朱為.細菌載體技術(shù)研究進展(上)[J].國外醫(yī)學(xué)預(yù)防診斷治療用生物制品分冊,2005,28(1):14-17.
  1. 1. Lin J,Lin E,Nemunaitis J.Bacteria in the treatment of cancer[J].Curr Opin Mol Ther,2004,6(6):629-639..
  2. 2. Ryan RM,Green J,Lewis CE.Use of bacteria in anticancer therapies[J].Bioessays,2006,28(1):84-94..
  3. 3. Tokunaga T,Yamamoto H,Shimada S,et al.Antitumor activity of deoxyribonucleic acid fraction from Mycobacterium bovis BCG.Ⅰ.Isolation,physicochemical characterization,and antitumor activity[J].J Natl Cancer Inst,1984,72(4):955-962..
  4. 4. Ballas ZK,Rasmussen WL,Krieg AM.Induction of NK activity in murine and human cells by CpG motifs in oligodeoxynucleotides and bacterial DNA[J].J Immunol,1996,157(5):1840-1845..
  5. 5. Bauer M,Heeg K,Wagner H,et al.DNA activates human immune cells through a CpG sequencedependent manner[J].Immunology,1999,97(4):699-705..
  6. 6. Krieg AM.CpG motifs in bacterial DNA and their immune effects[J].Annu Rev Immunol,2002,20:709-760..
  7. 7. Krieg AM,Wagner H.Causing a commotion in the blood:immunotherapy progresses from bacteria to bacterial DNA[J].Immunol Today,2000,21(10):521-526..
  8. 8. Krieg AM,Yi AK,Matson S,et al.CpG motifs in bacterial DNA trigger direct Bcell activation[J].Nature,1995,374(6522):546-549..
  9. 9. Paterson Y,Maciag PC.Listeriabased vaccines for cancer treatment[J].Curr Opin Mol Ther,2005,7(5):454-460.
  10. 10. Reed JC.Bcl2 and the regulation of programmed cell death[J].J Cell Biol,1994,124(1-2):16..
  11. 11. Oltvai ZN,Milliman CL,Korsmeyer SJ.Bcl2 heterodimerizes in vivo with a conserved homolog,Bax,that accelerates programmed cell death[J].Cell,1993,74(4):609-619..
  12. 12. Fisher TC,Milner AE,Gregory CD,et al.bcl2 modulation of apoptosis induced by anticancer drugs:resistance to thymidylate stress is independent of classical resistance pathways[J].Cancer Res,1993,53(14):3321-3326..
  13. 13. Sparwasser T,Koch ES,Vabulas RM,et al.Bacterial DNA and immunostimulatory CpG oligonucleotides trigger maturation and activation of murine dendritic cells[J].Eur J Immunol,1998,28(6):2045-2054..
  14. 14. Stacey KJ,Sweet MJ,Hume DA.Macrophages ingest and are activated by bacterial DNA[J].J Immunol,1996,157(5):2116-2122..
  15. 15. Cowdery JS,Chace JH,Yi AK,et al.Bacterial DNA induces NK cells to produce IFNγ in vivo and increases the toxicity of lipopolysaccharides[J].J Immunol,1996,156(12):4570-4575..
  16. 16. Heckelsmiller K,Rall K,Beck S,et al.Peritumoral CpG DNA elicits a coordinated response of CD8 T cells and innate effectors to cure established tumors in a murine colon carcinoma model[J].J Immunol,2002,169(7):3892-3899..
  17. 17. Yamamoto S,Yamamoto T,Shimada S,et al.DNA from bacteria,but not from vertebrates,induces interferons,activates natural killer cells and inhibits tumor growth[J].Microbiol Immunol,1992,36(9):983-997..
  18. 18. Stacey KJ,Young GR,Clark F,et al.The molecular basis for the lack of immunostimulatory activity of vertebrate DNA[J].J Immunol,2003,170(7):36143620..
  19. 19. Pamer EG.Immune responses to Listeria monocytogenes[J].Nat Rev Immunol,2004,4(10):812823..
  20. 20. 戴智勤,朱為.細菌載體技術(shù)研究進展(上)[J].國外醫(yī)學(xué)預(yù)防診斷治療用生物制品分冊,2005,28(1):14-17.