PMID: 26887773Feb 19, 2016Paper

Response of potassium channels to estrogen and progesterone in the uterine smooth muscle cells of adenomyosis in vitro

Zhonghua fu chan ke za zhi
Jing-Hua ShiJing-He Lang

Abstract

To investigate the expression of potassium channels and the influence of estrogen and progesterone on the cultured uterine smooth muscle cells (USMC) of adenomyosis in vitro. There were 22 cases of adenomyosis hysterectomy in the adenomyosis group and 12 patients with cervical intraepithelial neoplasia III removal of the uterus in the control group. USMC were separated and cultured in vitro, incubated with different concentrations of estrogen and progesterone. We used reverse transcription-PCR to dectect the expression of large-conductance calcium- and voltage-sensitive potassium channel α subunit (BKCa α) and voltage-gated potassium channel 4.3 (Kv4.3). The mRNA expression of BKCa α and Kv4.3 in the adenomyosis group (4.43±2.05 and 4.52±1.97) were significantly higher than those in the control group (0.83±0.25 and 0.86±0.19, P<0.05). In the control group, Kv4.3 mRNA decreased after treated with 0.1 nmol/L (0.17±0.10) and 1.0 nmol/L (0.13±0.08) estrogen than before (0.55±0.29, P<0.05). In the adenomyosis group, BKCa α mRNA decreased significantly after treated with 10.0 nmol/L estrogen (0.56±0.27 versus 1.01±0.35, P<0.05). 0.1 µmol/L progesterone elevated both BKCa α mRNA (0.44±0.24 versus 0.16±0.09) and Kv4.3 mRNA (1.29±0.51 v...Continue Reading

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