Aquaporin 3 Expression Induced by Salvia Miltiorrhiza via ERK1/2 Signal Pathway in the Primary Human Amnion Epithelium Cells from Isolated Oligohydramnios

Author(s): Q. Shen, X. Ma, Y. Hua, M. Chen, Y. Wang, Q. Zhou, W. Ye, X. Zhu.

Journal Name: Current Molecular Medicine

Volume 16 , Issue 3 , 2016

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Abstract:

Salvia miltiorrhiza is one of the most common Chinese herbal drugs, which is effective to treat oligohydramnios. In this study, the aim was to investigate how Salvia miltiorrhiza regulate aquaporin 3 expression in the human amnion epithelial cells (hAECs) with normal amniotic fluid volume or isolated oligohydramnios, whether via extracellular signal regulated kinase1/2 (ERK1/2) signal transduction pathway or not. Primary hAECs cultures from 120 patients were incubated with Salvia miltiorrhiza or/and ERK1/2 inhibitor-- U0126. Localization of aquaporin 3 was detected by immunohistochemistry and the expression of total ERK1/2, phospho-ERK1/2 (p-ERK1/2) and aquaporin 3 was detected by Western blot. The results were: (1) In hAECs with normal amniotic fluid volume, treatment with 10 µmol/L of U0126 for 6 h resulted in the optimal inhibition of p-ERK1/2 (P<0.05). However, the expression of total ERK1/2 or aquaporin 3 did not significantly change after different concentrations or time of U0126 treatment. Salvia miltiorrhiza significantly up-regulated aquaporin 3 expression, which was not affected by U0126. (2) In hAECs with isolated oligohydramnios, treatment with 5 μmol/L of U0126 for 2 h resulted in the optimal inhibition of p-ERK1/2 and the lowest expression of aquaporin 3 (P<0.05). Moreover, Salvia miltiorrhiza significantly up-regulated aquaporin 3 expression, which was obviously blocked by U0126. These results suggest that Salvia miltiorrhiza may regulate aquaporin 3 expression in hAECs. In addition, in hAECs with isolated oligohydramnios, Salvia miltiorrhiza may regulate the expression of aquaporin 3 via the ERK1/2 signal transduction pathway, which provides a novel thread to the improved treatment for isolated oligohydramnios.

Keywords: Aquaporin 3, U0126, Salvia miltiorrhiza, human amnion epithelium cells, extracellular signal regulated kinase1/2, oligohydramnios.

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Article Details

VOLUME: 16
ISSUE: 3
Year: 2016
Page: [312 - 319]
Pages: 8
DOI: 10.2174/1566524016666160225154304
Price: $58

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