减毒沙门氏菌携带共表达siRNA-mdm2与p53质粒抗前列腺癌的实验研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
目的:探讨共表达siRNA-mdm2与p53质粒对前列腺癌细胞株PC-3的联合效应及用减毒沙门氏菌携带共表达siRNA-mdm2与p53质粒增强对裸鼠前列腺癌移植瘤的治疗作用,为前列腺癌的基因治疗提供新的实验依据。
     方法:免疫组化技术检测人正常前列腺组织和前列腺癌组织mdm2和p53的表达;基因重组技术构建共表达siRNA-mdm2与p53质粒;真核细胞转染技术将共表达质粒转入前列腺癌PC-3细胞;MTT法检测共表达质粒对PC-3细胞增殖活性的影响;流式细胞术检测共表达质粒对PC-3细胞凋亡的影响;半定量RT-PCR和Western blot检测共表达质粒对mdm2和p53及其相关基因的表达;应用减毒沙门氏菌(Ty21a)携带共表达siRNA-mdm2与p53质粒治疗裸鼠前列腺癌移植瘤,观察其对移植瘤生长的影响。
     结果:免疫组化检测到人前列腺癌组织中mdm2和mt-p53高表达,与正常前列腺组织表达有显著差异性,两者呈正相关;基因重组技术成功构建了共表达siRNA-mdm2与p53质粒;MTT检测到共表达质粒对PC-3细胞有抑制增殖作用;流式细胞术检测到共表达质粒对PC-3细胞有促进凋亡作用;透射电镜观察到共表达质粒治疗组肿瘤细胞核固缩等形态学变化;半定量RT-PCR和Western blot检测到共表达质粒促进了P21的表达,而CDK4,cyclin-D1, HIF-1α,pRb,E2F-1的表达被抑制;减毒沙门氏菌携带的共表达siRNA-mdm2与p53质粒明显增强抑制了裸鼠前列腺癌移植瘤的生长;减毒沙门氏菌作为siRNA-mdm2与p53共表达质粒的运载体,起到了靶向性治疗作用。
     结论:共表达siRNA-mdm2与p53质粒抑制了前列腺癌细胞PC-3的增殖;减毒沙门氏菌携带共表达siRNA-mdm2与p53质粒对裸鼠前列腺癌移植瘤具有显著的治疗作用。本研究首次构建了共表达siRNA-mdm2与p53质粒,并用减毒沙门氏菌人用疫苗株携带共表达质粒治疗裸鼠前列腺癌移植瘤,为临床肿瘤多基因联合治疗奠定实验基础。
Prostate cancer is the most common cancer in American men. Recently the incidence rate of prostate cancer has increased rapidly in China. Men currently diagnosed at the early stages of prostate cancer can, in many cases, be effectively treated by surgery or radiation. However, in one third of the patients, the disease will recur and ultimately develop into hormone-refractory prostate cancer and metastatic prostate cancers that are essentially incurable. As a new treatment of tumor gene therapy is thought highly of increasingly.
     P53 gene is an important tumor suppressor gene, which by preventing cell replication and promoting apoptosis to maintain genomic stability, the maintenance of normal cell growth, and inhibit the proliferation of malignant cells, and be a negative effect on growth regulation. Its mutation and inactivation plays an important role in the process in tumor growth in and infiltration. P53 inactivation showed over-expression of mutant p53. Mutant p53 protein not only showed the loss of the normal tumor suppressor role, but also promoted normal cells to the malignant transformation. It showed that p53 gene mutations may be closely related to a variety of human tumors. In lung cancer, colon cancer, breast cancer, liver cancer, prostate cancer, bladder cancer, ovarian cancer, brain tumor, nasopharyngeal carcinoma, there are reports of high expression of p53. It is reported that nearly half of prostate cancer positive for mutant p53 expression, p53 mutation or deletion is closely related with prostate cancer invasion, metastasis and prognosis.
     Mouse double minutes -2 gene (mdm2) is an proto-oncogene. mdm2 gene transcription as a p53 target gene can be induced by wild-type p53 to enhance transcription, and the expression of mdm2 protein product can in turn format the complex product with tumor suppressor gene p53 protein by blocking its transcriptional activity, exporting of p53 protein into the cytoplasm and by promoting the degradation of the p53 protein .At the same time, it can stable the mutant p53 protein, thereby blocking the cell growth inhibition of p53. Both of them format p53 / mdm2 negative feedback loop regulation, so that cells of p53 / mdm2 ratio remained constant in order to ensure normal growth of cells. The most important role of mdm2 in vivo is to inhibiting the transcription and anti-tumor activity of wild-type p53 protein. Researches have shown that the abnormity of mdm2-p53 self-regulating loop, not only plays an important role in tumor occurrence and development, but also is closely related to the tumor treatment.
     At present, the primary limitation of cancer therapy is lack of selectivity of therapeutic agents for tumor cells. Current efforts are focused on discovering and developing anticancer agents that selectively target only tumor cells and spare normal tissue to improve the therapeutic index. It has been known that attenuated Salmonella accumulate and replicate preferentially in tumors to a level that is 1,000-fold greater than found in cells from normal tissues. S. typhimurium is a facultative anaerobic bacterium, which is capable of replicating preferentially in tumor cells and inhibition of growth, is associated with lysis of tumors with a necrotic/hypoxic centre. These observations suggest that the tumor targeting bacteria in combination with other antitumor agents, represents a promising strategy for the treatment of primary and metastatic tumors.
     Objective:
     Evaluation of our new conception i.e: using co-expressed plasmids containing siRNA-mdm2 and p53 and those plasmids will be carried by attenuated Salmonella bacteria and were induced to primary tumor and metastatic tumors for developing more effective treatment for prostate cancer.
     Methods:
     1. Immunohistochemical staining: Using the immunohistochemical staining to detect the mutant p53 protein and mdm2 expression of normal prostate tissue and prostate cancer.
     2. Construction of a recombinant plasmid co-expressing siRNA-mdm2 and p53: Using human mdm2 gene sequences from GenBank, selected suitable target site, synthesized oligonucleotides as DNA template encoding siRNA- mdm2, annealed and ligated into pGCsilencer-U6/Neo/GFP siRNA expression vector to construct plasmid pGCsiRNA-mdm2; amplified U6 promoter and the sequence of SiRNA-Stat3 by using pGCsiRNA-mdm2 plasmid as template by PCR, then cloned into plasmid pcDNA3.1(+) eukaryotic expression vector, designed plasmid pU6 siRNA-mdm2. Amplified the sequence of GRIM-19 gene by using pQE40-p53 plasmid as template by PCR, then cloned into pQE40-p53 vector to construct a plasmid pcDNA3.1-U6-si-mdm2-p53 (Pmp53) that co-expressed both siRNA- mdm2 and p53.
     3. Studies in vitro:
     The prostate cancer cell line PC-3, were transfected with plasmids siRNA-scramble、siRNA-mdm2、p53 and Pmp53. To determine the expression levels of the mdm2 siRNA and p53 after transfection, the semi-quantitative RT-PCR analysis and Western blot analyses with the samples extracted from transfected and control cells were performed to detect the expression levels of related genes and proteins(mdm2、p53、p21、E2F-1、pRb、HIF-1α). The cells were also analyzed for cell cycle phase distribution by flow cytometry, and the early apoptosis rate were observed by Annexin V-FITC kit and DAPI staining. MTT assay were used to detect the efficacy for inhibition of cell proliferation by different constructs.
     4. Studies in vivo:
     To study the effects of plasmids siRNA-scramble、siRNA-mdm2、p53 and Pmp53 on prostate tumor growth in vivo, we developed a nude mouse tumor xenograft model. Mice were transplanted via. s.c. with PC-3 cells into the right flank. Attenuated S. typhimurium carried siRNA-scramble、siRNA-mdm2、p53 and Pmp53 were introduced via i.t. into the mice. The TUNEL assay was used to detect the apoptosis of tumor cells. the semi-quantitative RT-PCR analysis and Western blot analysis were used to detect the expression levels of related genes and proteins(mdm2、p53、p21、E2F-1、pRb、HIF-1α). Immunohistochemical staining for p53、mdm2 and PCNA were performed. The ultrastructural changes of tumor cells were observed by TEM.
     Results:
     1. Overexpressin of mt-p53 and mdm2 proteins in prostate cancer tissues.The results showed higher expression levels of mutant p53 and increased levels of mdm2 proteins in prostate cancer tissues compared with normal prostate tissues. With Spearman analysis, the expression of mdm2 was correlated with p53 protein(rs=0.506,P=0.027).
     2. The Pmp53 recombinant plasmids containing both siRNA-mdm2 and p53 were successfully constructed, and confirmed by restriction enzyme digest and DNA sequence analysis.
     3. The combinational treatment strategy demonstrated that knockdown of mdm2 gene function by specific siRNA with restoration of the wide type p53 treatment showed a strong efficacy for suppression of PC-3 tumor cells in vitro. MTT assay demonstrated that the Pmp53 treatment group showed the most remarkable suppression effect on PC-3 cell growth, indicating a synergistic effect from the two antitumor factors. RT-PCR and Western blot analyses demonstrated that co-expressed plasmid could not only specifically increase p21 expression level but also can reduce the CDK4,cyclin-D1,HIF-1αexpression. DAPI staining and Annexin V-FITC assays showed both early apoptosis and late apoptosis were happened in all the treated cells excepted two control groups.
     4. Attenuated Salmonella carrying Co-expression plasmid Pmp53 inhibited tumor growth of prostate cancer in nude mice. In the group treated with co-expressed p53 and siRNA mdm2, both the average weights and volumes of the tumors were lower than those of other groups. Ceiling method to confirm the attenuated Salmonella carrying the plasmid into the tumor cells and in tumor tissues could copy the high level of 700 times than other organizations; Compared to two control groups, the tumor tissue cells from p53, si-mdm2 and Pmp53 groups were induced apoptosis by using TUNEL staining; decreased PCNA expression was found in the co-expression plasmid group by immunohistochemical staining; in the co-expression plasmid group nuclear heterochromatin on the nuclear membrane or gather into a block with nuclear pyknosis were found by transmission electron microscopy; semi-quantitative RT-PCR and Western blot results showed that co-expression plasmid increased the expression of p21 and inhibited CDK4, cyclin-D1, E2F-1, pRb, HIF-1αexpression by varying degrees.
     Conclusion:
     1. Higher expression levels of mutant p53 and increased levels of mdm2 proteins detected by immunohistochemical staining in prostate cancer tissues compared with normal prostate tissues.
     2. The Pmp53 recombinant plasmids containing both siRNA-mdm2 and p53 were successfully constructed.
     3.The combinational treatment strategy demonstrated that knockdown of mdm2 gene function by specific siRNA with restoration of the wide type p53 treatment showed a strong efficacy for suppression of PC-3 tumor cells in vitro. Attenuated Salmonella carrying Co-expression plasmid Pmp53 inhibited tumor growth of prostate cancer in nude mice.
     4. The mechanism of the synergistic effect could be mediated through Mechanisms: Because co-expression plasmid inhibition of mdm2 expression, which lifting of the mdm2 negative feedback inhibition of p53 and high expression of wild-type p53, which increased the wild-type p53 tumor growth inhibition effect; this effect affected the expression of downstream genes, such as p21, cyclinD1, Rb and E2F-1 and increases apoptosis, suppressing cell cycling and tumor growth.
     5. Because of the high-invasiveness and low pathogenicity of attenuated Salmonella, application of attenuated Salmonella vaccine strains as a carrier of gene therapy showed the effects of cancer treatment, and improved targeting of cancer therapy.
引文
[1] Kohler G, Mistein C. Continuous cultures of fused cells secreting antibody of predefined specificity[J]. Nature,1975,256(5517):495-497.
    [2] Arcecr RJ, Sande J, Lange B, et al. Safety and efficacy of gemturumab ocogamoclnical pediatic patients with advanced CD33+ actue myeloid leukemia [J].Blood, 2005, 106(4): 1183-1188.
    [3] Green L. Antibody engineering via genetic engineering fo the mouse: Xenomouse strains are a vehicle for the facile generation of therapeutic human monoclonal antibodies[J]. J Immunol Methods, 1999, 231(1-2): 11-23.
    [4] Holtmann M, Wanitschke R, Helisch A, et al. Anti-TNF antibodies in thetreatment of inflammatory intestinal stenoses in Crohnps disease[J]. Z Gastroenterol, 2003, 41 (1) : 11 - 17.
    [5] Wellswa Eek,a xenomouse: Abgenix Inc [J].Chem Biol,2000,7(8) : 185 - 186.
    [6] Davis CG, Jia XC, Feng X, et al. Production of human antibodies from transgenic mice [J]. Methods Mol. Boil, 2004 ,248:191-200.
    [7] Thomas MB, Martin B, Michael G, et al. High-liner energy transfer (LET) versus low-let emitters in radioimmunotherapy of solid tumors: therapeutic efficacy and dose-limiting toxicity of labeled CO17-1A fragments in a human colonic cancer model [J].Cancer Res, 1999,59(11):26-35.
    [8] CHEUNG KC, WONG LG, YEUNG YM. Treatment of CD33 positive refractory acute lymphoblastic leukemia with Mylotarg[J]. Leuk Lym phoma, 2008, 49 (3) : 596 -597.
    [9] SAFAVY A, BONNER JA, WAKSAL HW, et al. Synthesis and biological evaluation of paclitaxel-C225 conjugate as a model for targeted drug delivery [J]. B ioconjug Chem , 2003, 14 ( 2 ) :302 - 310.
    [10] RAMNATH V, KUTTAN G, KUTTAN R. Antitumor effect ofabrin on transplanted tumors in mice[J]. Indian J Physiol Pharmacol, 2002, 46 (1) : 69 - 77.
    [11] WOO JH, LIU JS, KANG SH, et al. GMP production and characterization of the bivalent anti-human T cell immunotoxin, A-dmDT390-bisFv(UCHT1) for phase I/ II clinical trials [J].Protein Expr Purif, 2008, 58 (1) : 1 - 11.
    [12] GANSUVD B, ASIEDU CK, GOODW IN J, et al. Expansion of CD4 +CD25 +suppressive regulatory T cells from rhesusmacaque peripheral blood by FN18 / anti human CD28-coated Dynal beads[J]. Hum Immunol, 2007, 68 (6) : 478 - 490.
    [13] THOMAS PB, DELATTE SJ, SUTPHIN A, et al. Effective targeted cytotoxicity of neuroblastoma cells [J]. J Pediatr Surg, 2002, 37 (3) : 539 - 544.
    [14] TSA L C, CHEN YL, LEE C, et al. Growth suppression of human colorectal carcinoma in nude mice by monoclonal antibody C27-abrin A chain conjugate [J]. Dis Colon Rectum , 1995, 38(10) : 1067 - 1074.
    [15]沈倍奋.治疗性抗体的改造[J].医学分子生物学杂志, 2006,3 (4) : 245 - 249.
    [16] Kirkwood J. Cancer immuno therapy: the interfron - alpha experience[J]. Sem in Onco l, 2002, 29 (3 Suppl 7) : 18- 26.
    [17] M ey U , Streh l J , Go rsch luterM , et al. Advances in the treatment of hairy- cell leukaem ia[J]. L ancet Onco l 2003, 4 (2): 86- 94.
    [18] Hehlnann R. Current CML therapy: progresss and dilemma [J]. Leukemia, 2003, 17 (6) : 1010- 1012.
    [19] Avivi I,Robinson S, Go ldstone A. Clinical use of rituximab in haematological malignancies [J]. Br J Cancer, 2003, 89 (8) : 1389- 1394.
    [20] Atkins MB. Interleukin- 2: clinical applications[J]. Sem in Oncol,2002,29 (3 Suppl 7) : 12- 17.
    [21]侯敢,黄迪南,祝其锋.肿瘤坏死因子诱导肿瘤细胞凋亡及其调节机制的研究[J ].中国临床康复, 2004, 8 (23) : 4918- 4919.
    [22] Eggermont AM, ten Hagen TL. Tumor necrosis factor - based isolated limb perfusion for soft tissue sarcoma and melanoma:ten years of successful antivascular therapy[J]. Curr Oncol Rep, 2003, 5 (2) : 79- 80.
    [23] Andersen MH, Keikavoussi P, Brocker EB, et al. Induction of systemic CTL responses in melanoma patients by dendritic cell vaccination: cessation of CTL responses associated with disease progression [J]. Int J Cancer, 2001, 194 (6) : 820- 824.
    [24]郭宝强,杨金平,李公宝等。粘附性淋巴因子活化的杀伤细胞抗自体白血病细胞作用的研究[J]。中国肿瘤临床,1996,23(7):479.
    [25]吴军,王晓怀,杨太成等。植物血凝素及淋巴细胞激活的杀伤细胞体外抗肿瘤作用的MTT比色法分析[J]。第一军医大学学报,1999,21(11):841.
    [26]徐琪,安秀梅,邵莹等。肿瘤患者自体CD3AK与LAK细胞生物学特性研究[J]。肿瘤免疫学杂志,2000,16(10):547.
    [27] Morse MA, Glay TM, Lyerly HK. Current status of adoptive immunotherapy of malignancies[J]. Expert Opin Biol Ther, 2002, 2(3): 237.
    [28] Labarrere N, Pandoifino MC, Gervois N, et al. Therapeutic efficacy of melanoma reactive TIL injected in stageⅢmelanoma patients[J]. Cancer Immunol Immunother, 2002,51(10): 532.
    [29] Forst P, Caliliw R, Belldegrum A, et al. Immunosensitization of resistant human tumor cells to cyctotoxicity by tumor infiltrating lymphocytes[J]. Int J Oncol, 2003, 22(2): 431.
    [30]刘剑勇,张力图,李挺等。树突状细胞对肿瘤浸润淋巴细胞杀伤自体肝癌细胞活动影响的研究[J]。实用肿瘤杂志,2002,17(5):311.
    [31]罗意革,陆云飞,邱庆明。应用肿瘤坏死因子基因转染肿瘤浸润淋巴细胞进行肝癌基因治疗的实验研究[J]。广西医科大学学报,2003,20(1):25.
    [32] Schmidt-Wolf IG, Negrin RS, Kiem HP, et al. Use of a SCID mouse/human lymphoma model to evaluate cytokine-induced killer cells with potent antitumor cell activity.
    [33]张嵩,张尚泉,白春学。树突状细胞与同源的细胞因子诱导的杀伤细胞共培养细胞在肿瘤免疫治疗中的作用[J]。中华结核和呼吸杂志,2004,27(5):315.
    [34] Qin FL, Zhang SL, Sun H, et al. Effect of phytohemagglutinin on proliferation and cytotoxicity of cytokine-induced killer cells[J].Zhongguo Shi Yan Xue Ye Xue Za Zhi, 2005,13(1):118.
    [35] Shi M, Yao L, Wang FS, et al. Growth inhition of human hepatocellular carcinoma xenograft in nude mice combined treatment with human cytokine-induced killer cells and chemotherapy[J]. Cell Immunol, 1996, 169(9): 85.
    [36] Schmidt-Wolf, Lefterova P, Johnston V, et al. Sensitivity of multidrug resistant tumor cell lines to immunologic effector cells[J]. Cell Immunol, 1996, 169(9): 85.
    [37] Engleman EG. Dendritic cell-based cancer immunotherapy [J ].Sem in Oncol, 2003, 30 (3 Suppl 8) : 23- 29
    [38] Herbst RS. Hong WK MCC225, an antiepidermal growth factor receptor monoclonal growth factor antibody for treatment of head and neck cancer[J]. Semin Oncol, 2002, 29 (5 Suppl 14) :18- 30
    [39] Garcia VE, Julline D, Song M , et al. IL-15 enhance the response of humanγT cells to nonpeptide microbial antigens[J]. J Immunol,1998,160:4322-4328.
    [40] Osaki T, Peron JM, Cai Quan, e tal. IFN-γinducing factor/ IL-18 administration mediates IFN-Y and IL-12 independent antitumor effects[J].J Immunol,1998,160:1742 -1750.
    [41] Dranoff C, Cancer gene therapy: connecting basic research with clinical inquiry[J]. J Clin Oncol, 1998, 16: 2548-2553.
    [42] Wollenberg B, Zeidler R, LeBeau A, et al. Lack of B7-1 and B7-2 on head and neck cancer cells and possible significance for gene therapy[J]. Int J Mol Med, 1998, 2: 167-172.
    [43] Emtage PC, Wan Y, Muller W, et al. Enhanced interleukin-2 gene transferimmunotherapy of breast cancer by coexpression of B7-1 and B7-2[J]. J Interferon Cytokine Res, 1998, 18 : 927- 930.
    [44] Wang J, Staffold S, Cao X, et al. Eliciting T cell immunity against poorly immunogenic tumor by immnuization with dendritic cell-tumor fusion vaccine[J]. J Immunol, 1998, 161: 5516 -5521.
    [45] Fossum B, OlsenA G, Thorsby E ,et al .CD8+T cells from a patient with colon carcinoma, specific for a mutant p21-ras-derived peptide(GlY13-TASP), are cytotoxic towards a carcinoma cell line harbouring the same muant[J]. Cancer Immunol Immunother, 1995, 40: 165-169.
    [46] Moscatello DK, Ramirez G, Wong AJ, et a l. A naturally occuring mutant human epidermal growth factor receptor as a target for peptid vaccine immunotherapy of tumors[J]. Cancer Res, 1997, 57: 1419-1426.
    [47] NawgataY, Furugen R, Hiasa A, et al. Peptides derived from a wild-type murine proto-oncogene c-erbB-2/HER2/neu can induce CTL and tumor suppression in syngeneic hosts[J]. J Immunol, 1 997, 159: 1136-1143.
    [48] Thomson SA, Sherritt MA, Medveczky J et al . Delivery of multiple CD8 Cytotoxic T cell epitopes by DNA Vaccination. J Im munol, 1998, 160:1717-1726.
    [49] Kim JJ, Trivedi N, Wilson DM, et al. Molecular and immuno logical analysis of genetic prostate specific antigen( PSA)vaccin[J]e. Oncogene, 1998, 17: 3125-3130.
    [50] Wagner U, Schlebush H, Kohler S, et al. Immunological responses to the tumor associated antigen CA125 in patients with advanced ovarian cancer induced by the murine monoclonal anti-idiotype vaccine ACA125[J]. Hybridoma, 1997, 16: 33-42.
    [51]杨栓平,宋海峰,宋三秦等。靶向HER-2 mRNA反义寡核苷酸对SK-BR-3乳腺癌细胞caspase-3蛋白表达的影响[J]。中国药理学通报,2003,19(5):505.
    [52] Bodnar AG, Ouelleite M, Frolkis M, et al. Extension of lifespan by introduction of telomerase into normal human cells[J]. Science, 1998, 27(5349): 349.
    [53] Vaziri H, Benchimol S, Reconstitution of telomerase activity in normal human cells leads to elongation of telomerase and extended replicative life span[J]. Curr Biol, 1998, 8(5): 279.
    [54] Hu Q , Shew CR , Ball MB ,et a1. Programmable fusogenic vesicles for intracellular delivers of antisense oligodoxvnucleotides : enhanced cellular uptake and biological effects[J]. Biochim Biophys Acta ,2001 ,1514 (1) :1- 13.
    [55] Marcucci G, Byrd JC ,Dai G, et al . Phase 1 and pharmacodynamic studies of G3139.a Bcl-2 antisense oligonucleotide. in combination with chemotherapy in refractory or relapsed acute leukemia [J] . Blood ,2003 ,101 (2) :425. 432.
    [56] Gabriella Z, Marco S , Sean CS ,et al . Antitumor Efficacy of bcl-2 and c-myc Antisense Oligonucleotides in Combination with Cisplatin in Human Melanoma Xenografts:Relevance of the Administration Sequence[J].Clinical Cancer Research , 2005 ,11 (5) :1990-1998.
    [57] Burke JM, Schmit T, Makedy K, et al. In vivo ,high-resolution analysis of yeast and mammalian RNA - protein interactions [J] . Biochem SocTrans ,1996 , 24(1): 608 - 612.
    [58] Tokunaga T, Abe Y, Tsuchida T, Hatanaka H,et al. Ribozyme mediated cleavage of cell-associated isoform of vascular endothelial growth factor inhibits liver metastasis of a pancreatic cancer cell line[J] .Int J Oncol. 2002 Nov;21(5):1027-32.
    [59] Pavco PA, Bouhana KS, Gallegos AM, et al. Antitumor and antimetastatic activity of ribozymes targeting the messenger RNA of vascular endothelial growth factor receptors[J].Clin Cancer Res. 2000 May;6(5):2094-103.
    [60] Yokoyama Y, Wan X, Shinohara A,et al. Hammerhead ribozymes to modulate telomerase activity of endometrial carcinoma cells[J].Hum Cell, 2001; 14(3): 223-231.
    [61] Yokoyama Y, Wan X, Takahashi Y, et al.Divalent hammerhead ribozyme targeting template region of human telomerase RNA has potent cleavage activity, but less inhibitory activity on telomerase[J].Arch Biochem Biophys, 2002;405(1): 32-37.
    [62] Mistry SJ, Benham CJ, Atweh GF.Development of ribozymes that target stathmin, a major regulator of the mitotic spindle[J].Antisense Nucleic Acid Drug Dev,2001; 11(1): 41-49.
    [63] Francesca W,Silvia AC , Francesco N ,et al . Vector-based RNA inter-ference against vascular endothelial growth factor-A significantly limits vascularization and growth of prostate cancer in vivo[J]. Cancer Gene Therapy , 2005 ,12 (12) : 926-934.
    [64] Shu X,Wu W, Mosteller RD,et al. Sphingosine kinase mediates vascular endothelial growth factor-induced activation of rats and mitogen-activated protein kinases[J].Mol Cell Biol, 2002,22(22):7758-7762.
    [65] Nagy P, Amdt Jovin DJ, Jovin TM. Small interfering RNAs suppress the expression of endogennous and GFP-fused epidermal growth factor receptor(erbB1) and induced apoptosis in erbB1-over-expressing cells[ J ]. Exp Cells Res, 2003, 285(1):39-49.
    [66] Zhang L,Yang N, Moharmes Hadley A,et al. Vector-based RNAi , a novel tool for isoform-specific knock-down of VEGF and anti-angiogenesis gene therapy of cancer[J]. Biochem Biophys Res Commun, 2003,303(4): 1169-1178.
    [67] Gu J, Zhang L, Swisher SG. Induction of p53-regulated genens in lung cancer cells:implications of the mechannism for adenoviral p53-mediated apoptosis [J]. Oncogene, 2004,23(6): 1300-1307.
    [68] Shen C, Buck AK, Liu X, et al. Gene silencing by adenovirus-delivered siRNA [ J ]. FEBS Lett, 2003, 539: 111-114.
    [69] Sui G, Soohoo C, Affarel B, et al. A DNA vector-based RNAi technology to suppress gene expression in mammalian cell [J]. Proc Natl Acad USA, 2002, 99(8): 5515-5520.
    [70] Shin J , Kim J , Ryu B , et al . Caveolin-1 is associated with VCAM-1 dependent adhension of gastric cancer to endothelial cells[J] . Cell Physiol Biochem ,2006 ,17 (5 - 6) :211 - 215.
    [71] Pang R W, Lee T K, Man K, et al . PINI expression contributes to hepatic carcinogenesis[J] . J Pathol ,2006 ,210 (1) :19 - 21.
    [72] Chao C,Saito S,A nderson CW,et al. Phosphory-lation of murine p53 at ser-18 regulates the p53 responses to DNA damage[J]. Proc Natl Acad Sci 2000,97:11936-11941.
    [73] Levine A J. p53,the cellular gate-keeper for growth and division[J].Cell 1997,88:323-331.
    [74] Komarov PG ,Komarova EA, Kondratov RV, et al.A chemical inhibitous of p53 that protect mice from the side effect of cancer therapy.Science,1999,285:1733-1737.
    [75] Zou Y,Zong G,Ling YH ,et al. Effective treatment of early endobronchial cancer with regional administration of liposome-p53 complexes[J].JNatl Cancer Inst, 1998,90:1130-1137.
    [76] Lievre A ,Landi B ,Cote JF ,et al . Absence of mutation in the putative tumor suppressor gene KLF6 in colorectal cancers[J]. Oncogene ,2005 ,24 (48) :7253-7256.
    [77] Guo C ,Ding J ,Yao L ,et al . Tumor suppressor gene Runx3 sensitizes gastric cancer cells to chemotherapeutic drugs by downregulating Bcl-2 , MDR-1 and MRP-1[J]. Int J Cancer, 2005,116 (1) :155-160.
    [78] Parney IF, Chang LJ. Cancer immunogene therapy: a review[ J ]. J Biomed Sci, 2003, 10 (1) : 37-43.
    [79] Rosenberg SA, Aebersold P, Cornetta K, et al. Gene transfer into human- immunotherapy of patients with advanced melanoma tumor-infiltrating lymphocytes modified by retroviral gene transduction[ J ]. N Engl J M ed, 1990, 323 (9) : 570-578.
    [80] Dranoff G, Jaffee E, Lazenby A, et al. Vaccination with irradiated tumor cells engineered to secrete murine granulocyte-macrophage colony-stimulating factor stimulatespotent, specific and long lasting antitumor immunity[ J ]. Proc Natl Acad Sci USA, 1993, 90 (8) : 3539-3543.
    [81] Van Oosten RL, Earel JK Jr, Griffith TS, et al. Enhancement of Ad5-TRAIL cytotoxicity against renal cell carcinoma with histone deacetylase inhibitors[J]. Cancer Gene Ther, 2006, 13 (6) : 628 - 632.
    [82] Kausch I, J iang H,Brocks C, et al. Ki-67-Directed antisense therapy in an orthotopic renal cell carcinoma model [ J ]. Eur Urol, 2004, 46 (1) : 118 - 124.
    [83] Michiels A, Breckpot K, Corthals J, et al. Induction of antigen-specific CD8 + cytotoxic T cells by dendritic cells co-electroporated with a dsRNA analogue and tumor antigen mRNA [ J ]. GeneTher, 2006, 13 (13) : 1027 - 1036.
    [84] Siders WM,Vergilis KL, Johnson C, et al. Induction of specific antitumor immunity in the mouse with the electrofusion product of tumor cells and dendritic cells[J].Mol Ther, 2003, 7 (4) : 498 - 505.
    [85] Trefzer U, Walden P. Hybrid-cell vaccines for cancer immune therapy[J]. Mol Biotechnol, 2003, 25 (1) : 63 - 69.
    [86] Schuler-Thumer B, Schultz ES, Berger TG, et al. Rapid induction of tumor-specific type 1 T helper cells in metastatic melanoma patients by vaccination with mature, cryop reserved, peptide-loaded-monocyte-derived dendritic cells[J]. J Exp Med, 2002, 195(10) : 1279 - 1288.
    [87] Rosenberg SA. Shedding light on immunotherapy for cancer[J ]. N Engl J Med, 2004, 350 (14) : 1461 - 1463.
    [88] Federico C ,Luisa B ,Elisa F ,et al . Combined HSV-TK/IL-2 gene therapy in patients with recurrent glioblastoma multiforme : biological and clinical results[J]. Cancer Gene Therapy ,2005 ,12 (10) :835-848.
    [89] Palmer DH ,Mautner V ,Hull D ,et al . Virus-directed enzyme prodrug therapy (VDEPT) : A clinical trial of adenovirus-delivered nitroreductase(NTR) in combination with CB1954 in patients with primary or secondary liver cancer[J]. Journal of Clinical Oncology ,2005 ,23 (16) :3157.
    [90] Boulaiz H ,Prados J ,Marchal JA ,et al . Transfection of MS-36 melanoma cells with gef gene inhibits proliferation and induces modulation of the cell cycle[J]. Cancer Sci ,2003 ,94 (6) :564-568.
    [91]郭华,张庆林,王成伟,等。反义肽核酸阻断人神经母细胞瘤多药耐药相关蛋白P-糖蛋白的表达[J]。中国医学科学院学报,2005,27 (3) :300 - 304。
    [92] Pichler A ,Zelecer N ,Prior JL ,et al . In vivo RNA Interference-Mediated Alation of MDR1 P-Glycoprotein[J]. Clinical Cancer Research , 2005 , 11(12) :4487-4494.
    [93] Reese JS ,Qin X,Ballas CB ,et al .MGMT expression in murine bone marrow is a major deterninant of animal survival after alkylating agent exposure[J]. J Hematother Stem Cell Res , 2001 ,10 (1) :115-123.
    [94] Modlich U ,Kustikova OS ,Schmidt M,et al .Leukemias following retroviral transfer of multi-drug resistance 1 (MDR1) are driven by combinatorial insertional mutagenesis[J]. Blood ,2005 , 105 (11) :4235-4246.
    [95] Folkman J . Tumor angiogenesis :therapeutic implications[J] . New England J Med ,1971, 285(21) :1182-1186.
    [96] Kerstin S ,Johannes H ,Annette A ,et al . Transfer of the sFLT-1 Gene in Morris Hepatoma Results in Decreased Growth and Perfusion and Induction of Genes Associated with Stress Response[J]. Clinical Cancer Research ,2005 ,11 (6) :2132-2140.
    [97] Wu Y,Yang Li ,Hu B ,et al . Synergistic anti-tumor effect of recombinant human endostatin adenovirus combined with gemcitabine. Anti-Cancer Drugs ,2005 ,16 (5) :551-557.
    [98] Lee KH, Piao H, Son BR, et al. Herpes simplex virus thymidine kinase and granulocyte macrophage colonystimulating factor combination gene therapy in murine CT26 cell colon cancer model[J ]. Cancer Gene Ther, 2004, 11 (8): 570-576.
    [99] Dong Z, Greene G, Pettaway C, et al .Supression of angiogenesis, tumor genicity, and metastasis by human prostate cancer cells engineered to produce inertferonbeta. [J ].Cancer Res, 1999, 59(4): 872-879.
    [100] Hanagiri T , Takenoyama M , Yoshimatsu T , et al. Effects of interleukin-12 on in vitro culture with interleukin-2 of regional lymphnode lymphocytes from lung cancer patients[J]. Cancer Immunol Immunother ,1996 , 43 : 87-93.
    [101]董焱鑫,钱松溪,曹广文等。重组腺病毒介导IL-12、IL-2联合基因治疗前列腺癌的实验研究[J]。中华泌尿外科杂志,2002,23(7):440。
    [102]邱镇,崔飞伦,许传亮。联合PTEN和p27抑制前列腺癌侵袭和血管生成的实验研究[J].中华男科学杂志,2007,13(3):201- 205.
    [103]李勇,刘云霞,杨海山。血管抑素基因和内皮抑素基因抑制肝癌作用的比较[J]。肿瘤,2008,28(8):664-667。
    [104] George JA. Gene therapy progress and prospects : adenoviral vectors [J] . Gene Ther , 2003 , 10 (6) :1135-1141.
    [105] Lewis PF, Emerman M. Passage through mitosis is required for oncoretrovirusesbut not for the human immunodeficiency virus [J ]. J Virol, 1994, 68: 510-516.
    [106] Miller DG, Adam MA, Miller AD. Gene transfer by retrovirus vectors occurs only in cells that are actively replicating at the time of infection [J]. Mol Cell Biol, 1994, 10: 4239-4242.
    [107] Shiau AL , Lin PR, Chang MY, et al. Retrovirus mediated transfer of prothymosin gene inhibits tumor growth and prolongs survival in murine bladder cancer [J]. Gene Ther, 2001, 8 (21) : 1 609-1 617.
    [108] Martin F, Chodhury S, Neil S, et al. Envelope-targeted retrovirus vectors transduce melanoma xenografts but not spleen or liver [J]. J Virol,2002, 5 (3) : 269-274.
    [109] Xiao B, Jing B, Zhang YL , et al. Tumor growth inhibition effect of hIL-6 on colon cancer cells transfected with the target gene by retroviral vector[J]. World J Gastroentero l, 2000, 6 (1) : 89- 92.
    [110] Nanda D, Vogels R, Havenga , et al. Treatment of malignant gliomas with a replicating adenoviral vector expressing herpes simplex viruse-thymidine kinase[J ]. Cancer Res, 2001, 61 (24) : 8 743-8 750.
    [111] Zhang R , De GrootL J. An adenoviral vector expressing functional heterogeneous proteins herpes simplex viral thymidine kinase and human interleukin-2 has enhanced in vivo antitumor activity against medullary thyroid carcinoma [ J ]. Endocr Rela Cancer, 2001, 8 (4) : 315-325.
    [112] Rubinchik S ,Wang D, Yu H, et al. A complex adenovirus vector that delivers FASL-GFP with combined postate-specific and tetracycline-regulated expression [J]. Mol Ther, 2001, 4 (5) : 416- 426.
    [112] Samulski RJ, Zhu X, Xiao X, et al. Targeted integration of adeno- associatedvirus (AAV ) into human chromosome 19 [ J ].EMBO J, 1991, 10: 3941-3950.
    [114] Buller RM, Janik JE, Sebring ED, et al. Herpes simplex virus types 1 and 2 completely help adenovirus associated virus replication [ J ]. J Virol, 1981, 40: 241-247.
    [115] Janik JE,HustonMM,Cho K, et al. Efficient synthesis of adeno-associated virus structural proteins requires both adenovirus DNA binding protein and VA IRNA [ J ]. Virology, 1989, 168:320-329.
    [116] Yakinoglu AO, Heilbronn R, Burkle A, et al. DNA amplification of adeno-associated virus as a response to cellular genotoxic stress[ J ]. Cancer Res, 1988, 48: 3123-3129.
    [117] Kanazawa T, Mizukami H, Okada T, et al. Suicide gene therapy using AAV-HSVtk /ganciclovirin combination with irradiation results in regression of humanhead and neck cancerxenografts in nude mice [ J ]. Gene Ther, 2003, 10: 51- 58.
    [118] Mackett M , Smith GL , Moss B. Vaccinia virus: a selectable eukaryotic cloning and expression vector [J]. P roc Natl Acad Sci U SA , 1982, 93: 11287-11425.
    [119] Timiyasova T M , Chen B, Fodor I. Replication deficient vaccinia virus gene therapy vector: evaluation of exogenous gene expression mediated by PUV-inactiviated virus in glioma cell [ J ]. J Gene M ed, 2001, 3 (5) : 468- 477.
    [120] Parker JN, Gillespie GY, Love CE, et al. Engineered herpes simplex virus expressing IL-12 in the treatment of experimental murine brain tumors [ J ]. Proc Natl Acad Sci USA, 2000, 97: 2208-2213.
    [121] Stevenson AF, Frolova-Jones E, Hall KT, et al. A herpes virus saimiri-based gene therapy vector with potential for use in cancer immunotherapy [ J ]. Cancer Gene Ther, 2000, 7 ( 7) : 1077 - 1085.
    [122] Latchman DS. Gene delivery and gene therapy with herpes simplex virus-based vectors [ J ] . Gene, 2001, 264: 1- 9.
    [123] Moriuchi S, Wolfe D, Tamura M, et al. Double suicide gene therapy using a replication defective herpes simplex virus vector reveals reciprocal interference in a malignant glioma model [ J ].Gene Ther, 2002, 9: 584- 591.
    [124] Wu N, Watkins SC, Schaffer PA, et al. Prolonged gene expression and cell survival after infection by a herpes simplex virus mutant defective in the immediate early genes encoding ICP4 ICP27and ICP22 [ J ]. J Virol, 1996, 70: 6358- 6369.
    [125] Marconi P, Krisky D, Oligino T, et al. Replication - defective herpes simplex virus vectors for gene transfer in vivo [ J ]. Proc Natl Acad Sci USA, 1996, 93: 11319-11320.
    [126] James B , Wechuck , Ozuer A , et al . Effect of temperature ,medium composition , and cell passage on production of herpesbased viral vectors [J ] . Biotech and Bioengin , 2002 ,79 (1) :112-119.
    [127] Monahan PE , Samulski RJ . Adeno-associated virus vectors for gene therapy : more pros than cons [J] . Mol Med Today , 2000 ,6 (2) :433- 440.
    [128] Roth JA , Cristiano RJ . Gene therapy for cancer : what have we done and where are we going [J ] . J Natl Cancer Inst , 1997 , 89(1) :21-39.
    [129] Nakamura J , Fumoto S , Shoji K, et al. Stomach-selective gene transfer following the administration of naked plasmid DNA onto the gastric serosal surface in mice[J ] . Biol Pharm Bull , 2006 , 29 (10) :2082-2086.
    [130] Dietich A , Becherer L , Brinckmann U , et al. Particle-mediated cytokine gene therapy leads to antitumor and antimetastatic effects in mouse carcinoma models [ J ] .CancerBiother Radiopharm , 2006 ,21 (4) :333-341.
    [131] Gosselin MA , Guo W, Lee RJ . Efficient gene transfer using reversibly cross-linked low molecular weight polyet hylenimine [ J] . Bioconjug Chem , 2001 ,12 (6) :989.
    [132] Yockman J W, Lee M , J an t-Amsbury M M , et al . Tumor Efficacy and Biodistribution of Linear Polyethylenimine-cholesterol/ DNA Complexes [J] . Mol Ther , 2004 ,9 (6) :837.
    [133] Jant-Amsbury M M ,Yockman J W, Lee M , et al . Combination of local , nonviral IL-12 gene therapy and systemic paclitaxel treatment in a metastatic breast cancer model [J] . Mol Ther , 2004 ,9 (6) :829.
    [134] Tomalia DA. A new class of polymers : starburst dendritic macromolecules[J] . Polym J, 1985, 17 (5) : 117-132.
    [135] Lee MK, Chuna SK, Choia WJ, et al. The use of chitosan as a condensing agent to enhance emulsionmediated gene transfer [ J ].Biomaterials, 2005, 25: 2147- 2156.
    [136] Serikawa T, Kikuchi A, Sugaya S, et al. In vitro and in vivo evaluation of novel cationic liposomes utilized for cancer gene therapy [ J ]. J Controlled Release, 2006, 113 (3) : 255-260.
    [137] Li WJ, Szoka FC. Lipid-based nanoparticles for nucleic acid delivery[J]. Pharmaceu res, 2007, 24 (3) : 438- 449.
    [138] Mortimer I, Tam P, Maclachlan I, et al. Cationic lipid-mediated transfection of cells in culture requires m ito t ic act ivity [J ]. Gene Ther , 1999, 6(3) : 403.
    [139] Lipps HJ, Jenke AC, Nehlsen K, et al. Chromosome-based vectors for gene therapy [ J ]. Gene, 2003, 304: 23-33.
    [140] Fox ME, Lemmon MJ, Mauchline ML, et al . Anaerobic bacteria as a delivery system for cancer gene therapy : in vitro activation of 52fluorocytosine by genetically engineered clostridia [ J ] . Gene Ther, 1996, 3 (2) : 173-178.
    [141] Fajac, Grosse S, Collombet JM, et al . Recombinant Escherichia coli as a gene delivery vector into airway epithelial cells [ J ]. J Controlled Release, 2004, 97: 371-381.
    [142] Kochi SK,Killeen KP ,Pyan US. Advances in the development of bacterial vector technology[J ] . Expert Rev Vaccine ,2003 ,2 (1) :31- 43.
    [143] Sznol M , Lin SL , Bermudes D , et al . Use of preferentially replicating bacteria for the treatment of cancer [J ] . J Clin invest , 2000 ,105 (8) :1027- 1030.
    [144] Theys J, Barbe S, Landuyt W, et al. Tumor-specific gene delivery using genetically engineered bacteria [ J ] . Curr Gene Ther , 2003 , 3 (3) :207- 221.
    [145] Bermudes D, Zheng LM, King LC. Live bacteria as anticancer agents andtumor-selective delivery vectors. Curr Opion Drug Discov Devel, 2002, 5(2): 194-199.
    [146] Grillot-Courvalin C ,Goussard S , Huetz F ,et al . Functional gene transfer from intracellular bacteria to mammalian cells [ J ] . Nat Biotechnol ,1998 ,16 (9) :862-866.
    [147] Jain KK.Use of bacteria as anticancer agent. Exp Opin Biol, Ther, 2001, 1(2): 291-300.
    [148]Sznol M, Lin SL, Bermudes D, et al. Use of preferentially replicating bacteria for the treatment of cncer. J Clinivest, 2000, 105(8): 1027-1030.
    [149]Henriksen K, Hakovirta H, Parvinen M. In-situ quantification of stage specific apoptosis in the rat seminiferous epithelium: effects of short term experimental cryptorchidism. Int J Androl 1995; 18:256-262.
    [150] Landis SH, MurrayT ,Bolden S ,and Wingo PA.1 999.C ancer statistics, 1999.CA Cancer J Clin 49:8-31.
    [151] Jemal A,Murray T, Samuels A,Ghafoor A, Ward E,Thun MJ. Cancer Statistics, 2003.CA Cancer J Clin 2003;53:5-26.
    [152] Zhao XJ, Kong XB, Wang WH. Mass screening for prostate cancer is the best approach to early diagnosis and treatment of prostate cancer. Zhonghua Nan Ke Xue, 2003,9(8): 563-565.
    [153] Chao C,Saito S,Anderson CW,et al. Phosphorylation of murine p53 at ser-18 regulates the p53 responses to DNA damage. Proc Natl Acad Sci 2000,97:11936- 11941.
    [154] Zou Y,Zong G,Ling Y H,et al. Effective treatment of early endobronchial cancer with regional administration of liposome-p53 complexes[ J ] . Natl Cancer Inst, 1998,90:1130- 1137.
    [155] Martins CP, Brown-Swigart L, Evan GI. Modeling the Therapeutic Efficacy of p53 Restoration in Tumors[J]. Cell. 2006,127(7):1323-1334.
    [156] Cahilly-Snyder L, Yang-Feng T, Francke U, et al. Molecular analysis and chromosomal mapping of amplified genes isolated from a transformed mouse 3T3 cell line[J]. Somai Cell Mol Genet, 1987,13: 235- 244.
    [157] Oliner JD, Kinzler KW, Meltzer PS, et al. Amplification of a gene encoding a p53-associated protein in human sarcoma[J]. Nature, 1992, 358 (6 381) : 80.
    [159] Barak Y, Juven T, Haffner R, et al. mdm2 expression is induced by wild type p53 activity. EMBO J, 1993, 12 (2) : 461.
    [159] Cheng YT, Li YL, Wu JD, et al. Overexpression of mdm2 mRNA and mutation of the p53 tumor suppressor gene in bladder carcinoma cell lines. Mol Carcinogenesis, 1995, 13(3) : 173.
    [160] SilverDA, DrobnjakM, Charytonowicz E, et al. Altered expression of cel lcycle regulatory proteins in human prostate cancer. J Urol, 1997, 157 ( Supp l) : 268.
    [161]薄爱华,张晓丽,邢立强,等. mdm2与p21、p53在胃癌、食管癌中表达的相关性研究.实用癌症杂志, 2001, 16 (1) : 34.
    [162] Qiao DH , Gaionde SV , Qi WQ , et al . Deoxycholic acid suppresses p53 by stimulating proteasome mediated p53 protein degradation[J] . Carcinogenesis ,2001 ,22 (6) :957-964.
    [163] Damia G, Filiberti L , Vikhanskaya F , et al . Cisplatinum and taxol induce different patterns of p53 phosphorylation [ J ] . Neoplasia , 2001 ,3 (1) :10-16.
    [164] Peng YH , Chen L H , Li CG, et al . Stabilization of the mdm2 oncoprotein by mutant p53 [J ] . J Biol Chem ,2001 ,276 :6874-6878.
    [165] Ling Zhang, Lifang Gao,Lijuan Zhao,et al. Intratumoral Delivery and Suppression of Prostate Tumor Growth by Attenuated Salmonella enterica serovar typhimurium Carrying Plasmid-Based Small Interfering RNAs [J]. Cancer Res ,2007, 67 (12): 5859-5864.
    [166]金冬雁译.克隆化基因在哺乳动物培养细胞中的表达[A].见J.萨姆布鲁克主编.分子克隆实验指南[M].第二版.北京:科学出版社. 1992,775 - 776.
    [167] Zhang H, Xiong Y, Beach D. Proliferating cell nuclear antigen and p21 are components of multiple cell cycle kinase complexes[J]. Mol Biol Cell, 1993; 4 (9) : 897- 906
    [168] El-Deiry WS, Tokino T, Velculescu VE et al. A potential mediator of p53 tumor suppression[J]. Cell, 1993; 75 (4) : 817- 825.
    [169] EI-Deiry WS, Harper JW , OConnor PM et al. WA F1/CIP1 is induced in p53-mediated G1 arrest and apoptosis[J]. Cancer Res, 1994;54 (5) : 1169- 1174.
    [170] Hunter T, P ines J. Cyclins and cancerⅡ: cyclin D and CDK inhibitors come of age[J]. Cell, 1994; 79 (4) : 573- 582.
    [171] ijenhuis T, Hoenderop JG , Bindels RJ. Downregulation of Ca2+and Mg2+ transport proteins in the kidney explains tacrolimus (FK506) -induced hypercalciuria and hypomagnesemia[J].J Am Soc Nephrol , 2004 , 15 (3): 549- 557.
    [172] Hunter T , Pines J. Cyclins and cancer[J] . Cell, 1991; 66∶1071.
    [173] L ee WH, Book stein R, Hong F, et al . Human retinoblastoma suscetibility gene: cloning, Idenification and sequence[J] . Science, 1987; 235∶1308.
    [174] elin K, Lees J A , Vidal M , et al . A cDNA encoding a pRB-binding protein with properties of the transcription factor E2F[J] . Cell ,1992 ,70 (2) :337-350.
    [175] SEMENZA GL,AGANI F,BOOTH G,et al. Structural analysis of hypoxia inducible factor[J] . Kidney Int ,1997 ,51 :553.
    [176] Ravi R,Mookerjee B,Bhuj walla Z M, et al1Regulation of tumor angiogenesis by p53-indueed degradation of hypoxia-inducible factor1alpha[J] . Genes Dev, 2000; 14 (1) : 242 - 241.
    [177] Suzuki H, Yomida A, Tsuruo T, et al. Dephosphorylated hypoxia-inducible factor1αas a mediator of p53-dependent apoptosis during hypoxia [J]. Oncogene, 2001; 20 (41) : 5779- 5788.
    [178] Ravi R , Mookerjee B , Bhujwalla ZM , et al . Regulation of tumor angiogenesis by p53-induced degradation of hypoxia-inducible factor 1alpha [J]. Genes Dev , 2000 , 14 (1) : 34 - 44.
    [179]李彦,姜政,向廷秀等,sTRAIL真核表达质粒对人胃癌裸鼠移植瘤的抑制作用[J]第三军医大学学报2009,31(3):198- 202。
    [180] WHO 2003/World Health Organization. Dept. of Vaccines and Biologicals. Background document:the diagnosis, treatment and presentation of typhoid fever. Geneva: World Health Organization, 2003.
    [181] Frase A, Goldberg E, Acosta CJ, et al. Vaccines for preventing typhoid fever . The Cochrane Library 2007, Issue 41- 45.

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700