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Telomerase: A novel target of antitumor agents

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Chinese Journal of Cancer Research

Abstract

Telomerase activity was found to be high in various human cancers, but absent in most normal tissues. Its expression pattern made it a novel target for antitumor agents. Several strategies against telomerase were presented in this review. Targeting the telomerase RNA component by oligonucleotide/ribozyme was considered to be one of the most hopeful approaches. Some progresses were made in this area, such as the use of PANs and 2–5A antisense compounds. The relationships among telomerase activity and cell differentiation, signal transduction, oncogene, tumor suppressor gene as well as cell cycle modulation also provided a series of valuable ideas in designing anti-telomerase drugs for cancer therapy. In conclusion, although there is still a long way in understanding the mechanism and regulation of telomerase, the advance of studies on telomerase has allowed the development of numerous strategies for the treatment of cancer.

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References

  1. Wang XW, Xu, B. Screening models and methods of antitumor drugs. Chin J Pharmaceu 1997; 28:39.

    CAS  Google Scholar 

  2. Robert J. Anticancer drug screening within vitro models. Drugs Fut 1997; 22:739.

    CAS  Google Scholar 

  3. Jonhson RK. Screening methods in antineoplastic drug discovery. J Natl Cancer Inst 1990; 82:1082.

    Article  Google Scholar 

  4. Wang XW, Xu B. Stimulation of tumor cell growth by alpha-fetoprotein. Int J Cancer 1998; 75:596.

    Article  PubMed  CAS  Google Scholar 

  5. Wang XW, Xu B. Informational drugs and gene therapy of human diseases. Chin Pharmacol Bull 1996; 12:289.

    CAS  Google Scholar 

  6. Wang XW, Xu B. Several new targets of antitumor agents. Acta Pharmacol Sin 1997; 18:289.

    CAS  Google Scholar 

  7. Blackburn EH. Telomerase. Ann Rev Biochem 1992; 61:113.

    Article  PubMed  CAS  Google Scholar 

  8. Zakian VA. Structures and function of telomeres. Ann Rev Genet 1989; 23:579.

    Article  PubMed  CAS  Google Scholar 

  9. Feng J, Funk WD, Wang SS, et al. The RNA component of human telomerase. Science 1995; 269:1236.

    Article  PubMed  CAS  Google Scholar 

  10. Harrington L, Mcphail T, Mar V, et al. A mammalian telomerase-associated protein. Science 1997; 275: 973.

    Article  PubMed  CAS  Google Scholar 

  11. Counter CM, Meyerson M, Eaton EN, et al. The catalytic subunit of yeast telomerase. Proc Natl Acad Sci USA 1997; 94:9202.

    Article  PubMed  CAS  Google Scholar 

  12. Rhyu M. Telomeres, telomerase, immortality. J Natl Cancer Inst 1995; 87:885.

    Article  Google Scholar 

  13. Dahse R, Fiedler W, Ernst G. Telomeres and telomerase: biological and clinical importance. Clin Chem 1997; 43:708.

    PubMed  CAS  Google Scholar 

  14. Greider CW. Telomerase activity, cell proliferation and cancer. Proc Natl Acad Sci USA 1998; 95:90.

    Article  PubMed  CAS  Google Scholar 

  15. Lee HW, Blasco MA, Gottlieb, GJ, et al. Essential role of mouse telomerase in highly proliferative organs. Nature 1998; 392:569.

    Article  PubMed  CAS  Google Scholar 

  16. Yu GL, Bradley JD, Attardi LD, et al.In vivo alteration of telomerase sequences and senescence caused by mutated Tetrahymena telomere RNAs. Nature 1990; 344:126.

    Article  PubMed  CAS  Google Scholar 

  17. Wittung H, Nielsen P, Buchardt, O, et al. DNA-like double helix formed by peptide nucleic acid. Nature 1994; 368:561.

    Article  PubMed  CAS  Google Scholar 

  18. Norton J, Piatyszek M, Wright W, et al. Inhibition of human telomerase activity by peptide nucleic acids. Nature Biotechnol 1996; 14:615.

    Article  CAS  Google Scholar 

  19. Kanazawa Y, Ohkawa K, Ueda K, et al. Hammerhead ribozyme-mediated inhibition of telomerase activity in extracts of human hepatocellular carcinoma cells. Biochem Biophy Res Commun 1996; 225:570.

    Article  CAS  Google Scholar 

  20. Collins SJ. The HL-60 promyelocytic leukemia cell line: proliferation, differentiation and cellular oncogene expression. Blood 1987; 70:1233.

    PubMed  CAS  Google Scholar 

  21. Bestilny LJ, Brown CB, Miura Y, et al. Selective inhibition of telomerase activity during terminal differentiation of immortal cell lines. Cancer Res 1996; 56:3796.

    PubMed  CAS  Google Scholar 

  22. Meyerson M, Counter CM, Eaton EN, et al. hEST2, the putative human telomerase catalytic subunit gene, is up-regulated in tumor cells and during immortalization. Cell 1997; 90:785.

    Article  PubMed  CAS  Google Scholar 

  23. Ramakrishuan S, Eppenberger U, Mueller H, et al. Expression profile of the putative catalytic subunit of the telomerase gene. Cancer Res 1998; 58:622.

    Google Scholar 

  24. Li H, Zhao LL, Funder JW, et al. Protein phosphatase 2A inhibits nuclear telomerase activity in human breast cancer cells. J Biol Chem 1997; 272:16729.

    Article  PubMed  CAS  Google Scholar 

  25. Ku WC, Cheng AJ, Wang TC. Inhibition of telomerase activity by PKC inhibitors in human nasopharyngeal cancer cells in culture. Biochem Biophy Res Commun 1997; 241:730.

    Article  CAS  Google Scholar 

  26. Whartenby KA, Abboud CN, Marrogi AJ, et al. The biology of cancer gene therapy. Lab Invest 1996; 72:131.

    Google Scholar 

  27. Fujirmoto K, Takahashi M. Telomerase activity in human leukemic cell lines is inhibited by antisense pentadecadeoxynucleotides targeted against c-myc mRNA. Biochem Biophy Res Commun 1997; 241:775.

    Article  Google Scholar 

  28. Kallassy M, Martel N, Damonv O, et al. Growth arrest of immortalized human keratinocytes and suppression of telomerase activity by p21WAF1 gene expression. Mol Carcinog 1998; 21:26.

    Article  PubMed  CAS  Google Scholar 

  29. Maxwell SA, Capp D, Acosta SA. Telomerase activity in immortalized endothelial cells undergoing p53-mediated apoptosis. Biochem Biophy Res Commun 1997; 241:642.

    Article  CAS  Google Scholar 

  30. Landberg G, Nielsen NH, Nilsson P, et al. Telomerase activity is associated with cell cycle deregulation in human breast cancer. Cancer Res 1997; 57:549.

    PubMed  CAS  Google Scholar 

  31. Zhu X, Kumar R, Mandal M, et al. Cell cycle-dependent modulation of telomerase activity in tumor cells. Proc Natl Acad Sci USA 1996; 93:6091.

    Article  PubMed  CAS  Google Scholar 

  32. Strahl C, Blackburn EH. The effects of nucleoside analogs on telomerase and telomeres in Tetrahymena. Nucleic Acids Res 1994; 22:893.

    Article  PubMed  CAS  Google Scholar 

  33. Yegorov YE, Chernov DN, Akimov SS. Reverse transcriptase inhibitors suppress telomerase function and induce senescence-like processes in cultured mouse fibroblasts. FEBS Letters 1996; 389:115.

    Article  PubMed  CAS  Google Scholar 

  34. Strahl C, Blackburn EH. Effects of reverse transcriptase inhibitors on telomere length and telomerase activity in two immortalized human cell lines. Mol Cell Biol 1996; 16:53.

    PubMed  CAS  Google Scholar 

  35. Fletcher TM, Salazar M, Chen SF. Human telomerase inhibition by 7-deaza-2′-deoxypurine nucleoside triphosphates. Biochem 1996; 35:15611.

    Article  CAS  Google Scholar 

  36. Pai RB, Pai SB, Kukhanova M, et al. Telomerase from human leukemia cells: properties and its interaction with deoxynucleoside analogues. Cancer Res 1998; 58: 1909.

    PubMed  CAS  Google Scholar 

  37. Ohmura H, Tahara H, Suzuki M, et al. Restoration of the cellular senescence program and repression of telomerase by human chromosomes. Jpn J Cancer Res 1995; 86:899.

    PubMed  CAS  Google Scholar 

  38. Shimura M, Barrett JC. Multiple pathways to cellular senescence: role of telomerase repressors. Eur J Cancer 1997; 33:703.

    Article  Google Scholar 

  39. Nugent CZ, Hughes TR, Liu NF, et al. Cdc13p: a single-strand telomeric DNA-binding protein with a dural role in yeast telomere mainitenance. Science 1996; 274:249.

    Article  PubMed  CAS  Google Scholar 

  40. Kim NW, Piatyszek MA, Prowse R, et al. Specific association of human telomerase activity with immortal cells and cancer. Science 1994; 266:2011.

    Article  PubMed  CAS  Google Scholar 

  41. Katoh M, Kameyama M, Kugoh H, et al. A repressor function for telomerase activity in telomerase-negative immortal cells. Mol Carcinog 1998; 21:17.

    Article  PubMed  CAS  Google Scholar 

  42. Zhang RG, Wang XW, Yuan JH, et al. Human hepatoma cell telomerase activity inhibition and cell cycle modulation by its RNA component antisense oligodeoxyribonucleotides. Acta Pharmacol Sin 2000; (in press).

  43. Zhang RG, Yuan JH, **e H. Telomerase and tumor. Chin J Cell Biol 2000; 22:25.

    Google Scholar 

  44. Zhang RG, Wang XW, Yuan JH, et al. Using a non-radioisotopic, quantitative TRAP-based method detecting telomerase activities in human hepatoma cells. Cell Res 2000; (in press).

  45. Zhang RG, Wang XW, **e H. Progress on mechanism of telomerase activation. Prog Biochem Biophy (China) 2000; (in press).

  46. Yuan JH, **e H. Progress in research on telomerase. Chin Bull Life Sci 1999; 11:111.

    Google Scholar 

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Zhang, Rg., Yuan, Jh., Wang, Xw. et al. Telomerase: A novel target of antitumor agents. Chin J Cancer Res 12, 39–45 (2000). https://doi.org/10.1007/BF02983192

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  • DOI: https://doi.org/10.1007/BF02983192

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