Journal of Smooth Muscle Research
Online ISSN : 1884-8796
Print ISSN : 0916-8737
ISSN-L : 0916-8737
Original
Levormeloxifene inhibits vaginal tropoelastin and transforming growth factor beta 1 production
Peter TakacsSujata YavagalYanping ZhangKeith CandiottiCaros A. Medina
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JOURNAL FREE ACCESS

2011 Volume 47 Issue 1 Pages 11-19

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Abstract

Purpose: To measure the effects of levormeloxifene on vaginal smooth muscle cell (SMC) proliferation, tropoelastin and transforming growth factor (TGF)-β1 production. Methods: Primary SMC cultures were performed from vaginal wall biopsies. SMC were incubated with levormeloxifene (0.1 μM, 1 μM), in 96-well plates and cell proliferation was assessed by 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazoliumbromide (MTT) assay at 24 hours. Tropoelastin production was measured by the Fastin Assay kit and TGF-β1 levels were assessed by ELISA. Results: SMC proliferation was significantly increased by levormeloxifene [relative cell number, mean ± SE, levormeloxifene 0.1 μM 130 ± 13% of control (P=NS), 1 μM 151 ± 19% of control (P<0.05)]. Tropoelastin production was significantly decreased by levormeloxifene [mean ± SE, levormeloxifene 0.1 μM 75 ± 4% of control (P=NS), 1 μM 64 ± 2% of control (P<0.05)]. In addition, TGF-β1 production was significantly decreased [mean ± SE, levormeloxifene 0.1 μM 79 ± 11% of control (P=NS), 1 μM 72 ± 14% of control (P<0.05)]. Conclusions: Levormeloxifene increases vaginal SMC proliferation, inhibits tropoelastin and TGF- β1 production.

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https://creativecommons.org/licenses/by-nc/4.0/deed.ja
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