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Melatonin inhibition of MCF-7 human breast-cancer cells growth: influence of cell proliferation rate.

Abstract：

:We have studied whether the cell proliferation rate modifies the inhibitory actions of melatonin on MCF-7 cell growth. The proliferative rate of cells was altered by plating them at different densities (5 x 10(4) to 100 x 10(4) cells/dish) in media with low charcoal-stripped serum concentrations. In this way, population doubling time ranged from 33 h (for density = 100 x 10(4) cells/dish) to 75 h (for density = 5 x 10(4) cells/dish). Melatonin (10(-9)M) only inhibited fast proliferating MCF-7 cells, increasing their cell doubling time, and did not significantly modify the length of doubling time in the cultures with low proliferation rate, in which doubling time was already long. These data clearly show that there is a direct relation between proliferative rate of cells and melatonin inhibitory actions on MCF-7 cells.

journal_name

Cancer Lett

journal_title

Cancer letters

authors

Cos S,Sánchez-Barceló EJ

doi

10.1016/0304-3835(95)03811-a

subject

Has Abstract

pub_date

1995-07-13 00:00:00

pages

207-12

issue

2

eissn

0304-3835

issn

1872-7980

pii

030438359503811A

journal_volume

93

pub_type

杂志文章

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