RNA expression of human telomerase subunits TR and TERT is differentially affected by melatonin receptor agonists in the MCF-7 tumor cell line.

Abstract:

:The RNA expression levels of human catalytic subunit (TERT) and the RNA subunit (TR) of telomerase were analysed after treatment with the agonists of the membrane receptor (S 20098) and the nuclear receptor (CGP 52608) for melatonin in the MCF-7 human breast tumor cell line. Neither membrane nor nuclear signalling affected the RNA steady-state levels of the TR subunit of telomerase. On the contrary, we observed a significant decreased in the RNA levels of TERT after treatment with CGP 52608 while S 20098 produced a significant increase in the RNA levels of TERT. These results support a cross-talk between membrane and nuclear melatonin signalling and provide new data on the hormonal regulation of telomerase function.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Leon-Blanco MM,Guerrero JM,Reiter RJ,Pozo D

doi

10.1016/j.canlet.2004.05.003

keywords:

subject

Has Abstract

pub_date

2004-12-08 00:00:00

pages

73-80

issue

1

eissn

0304-3835

issn

1872-7980

pii

S0304-3835(04)00350-7

journal_volume

216

pub_type

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