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J Steroid Biochem Mol Biol. 2001 Sep;78(3):201-14.

Telomerase in endocrine and endocrine-dependent tumors.

Author information

1
Clinical Biochemistry Unit, Department of Clinical Physiopathology, University of Florence, viale Pieraccini 6, 50139, Florence, Italy. c.orlando@dfc.unifi.it

Abstract

Telomerase, the ribonucleoprotein enzyme that elongates chromosomal ends, or telomeres, is repressed in most normal somatic cells but reactivated in transformed cells to compensate for the progressive erosion of the telomeres during cell divisions. In accordance with this hypothesis, the presence of telomerase activity has been reported in more than 90% of human cancers, whereas most normal tissues or benign tumors contain low or undetectable telomerase activity. Reactivation of telomerase has also been widely reported in endocrine neoplasms and in hormone-related cancers. In the present study, we review the most recent publications on telomerase in these types of tumors. The hormonal regulation of telomerase activity and the possible strategies for cancer therapy based on the inhibition of telomerase has also been discussed.

PMID:
11595501
[Indexed for MEDLINE]
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