Telomerase inhibitors for the treatment of cancer: the current perspective.

Abstract:

:Telomerase is a holoenzyme responsible for the maintenance of telomeres, the protein-nucleic acid complexes at the ends of eukaryotic chromosomes that serve to maintain chromosomal stability and integrity. Telomerase activity is essential for the sustained proliferation of most immortal cells, including cancer cells. Since the discovery that telomerase activity is detected in 85-90% of all human tumours and tumour-derived cell lines but not in most normal somatic cells, telomerase has become the focus of much attention as a novel and potentially highly-specific target for the development of new anticancer chemotherapeutics. Herein we review the current perspective for the development of telomerase inhibitors as cancer chemotherapeutics. These include antisense strategies, reverse transcriptase inhibitors and compounds capable of interacting with high-order telomeric DNA tetraplex ("G-quadruplex") structures, so as to prevent enzyme access to the necessary linear telomere substrate. Critical appraisal of each individual approach is provided together with highlighted areas of likely future development.

authors

Perry PJ,Arnold JR,Jenkins TC

doi

10.1517/13543784.10.12.2141

subject

Has Abstract

pub_date

2001-12-01 00:00:00

pages

2141-56

issue

12

eissn

1354-3784

issn

1744-7658

journal_volume

10

pub_type

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