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Receptor signaling and neutral endopeptidase are involved in the resistance of C-type natriuretic peptide to human mesangial proliferation and collagen-IV expression

Huang Huang Luo, Cheng Wu, Peng Hu, Yang Fang Wu, Dong Dong Zhang, Si Yan Liu, Guang Mei Jiang, Yao Xu, Yue Wu, Jing Jing Wang, Fei Fei Liu, Wei Wei, Bo Hu
DOI: 10.1136/jim-2017-000533 Published 24 May 2018
Huang Huang Luo
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Cheng Wu
2 Department of Gastroenterology, Anhui Provincial Children’s Hospital, Anhui Medical University, Hefei, China
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Peng Hu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Yang Fang Wu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Dong Dong Zhang
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Si Yan Liu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Guang Mei Jiang
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Yao Xu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Yue Wu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Jing Jing Wang
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Fei Fei Liu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Wei Wei
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Bo Hu
1 Department of Pediatrics, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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Abstract

C-type natriuretic peptide (CNP) is regarded as a local, paracrine hormone to regulate vascular tone and cell proliferation. Although several in vivo studies have documented that CNP exerts the inhibitory effects on mesangial cells (MCs) proliferation and collagen production, a limited number of studies exist about the resistance of CNP to MCs proliferation in vitro. Besides, whether its receptor signaling and neutral endopeptidase (NEP) are involved remains unclear. In the present study, human MCs were incubated in serum-containing medium in the absence or presence of CNP (0, 10 and 100 pM) for 24, 48 and 72 hours, respectively. CNP administration significantly suppresses MCs proliferation and collagen-IV (Col-IV) expression in a time-dependent and dose-dependent manner. As a down-stream signal molecule of CNP activation, the expressions of natriuretic peptide receptor (NPR)-B, cyclic guanosine monophosphate-dependent protein kinases II and NPR-C were obviously augmented, whereas NEP expression was significantly decreased after CNP treatment. In conclusion, receptor signaling and NEP are involved in the resistance of CNP to human mesangial proliferation and Col-IV expression.

Footnotes

  • Contributors YFW, DDZ and SYL carried out ELISA. GMJ, HHL and YX carried out RT-PCR. YW, JJW and FFL carried out western blot analysis. PH conceived and designed the experiments. CW, BH and WW interpreted the experiments. HHL and PH wrote the manuscript. All authors approved the final version of the manuscript.

  • Funding This study was supported by the National Natural Science Foundation of China (nos. 81570637 and 81000306).

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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Vol 66 Issue 5 Table of Contents
Journal of Investigative Medicine: 66 (5)
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Receptor signaling and neutral endopeptidase are involved in the resistance of C-type natriuretic peptide to human mesangial proliferation and collagen-IV expression
Huang Huang Luo, Cheng Wu, Peng Hu, Yang Fang Wu, Dong Dong Zhang, Si Yan Liu, Guang Mei Jiang, Yao Xu, Yue Wu, Jing Jing Wang, Fei Fei Liu, Wei Wei, Bo Hu
Journal of Investigative Medicine Jun 2018, 66 (5) 1-9; DOI: 10.1136/jim-2017-000533

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Receptor signaling and neutral endopeptidase are involved in the resistance of C-type natriuretic peptide to human mesangial proliferation and collagen-IV expression
Huang Huang Luo, Cheng Wu, Peng Hu, Yang Fang Wu, Dong Dong Zhang, Si Yan Liu, Guang Mei Jiang, Yao Xu, Yue Wu, Jing Jing Wang, Fei Fei Liu, Wei Wei, Bo Hu
Journal of Investigative Medicine Jun 2018, 66 (5) 1-9; DOI: 10.1136/jim-2017-000533
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Receptor signaling and neutral endopeptidase are involved in the resistance of C-type natriuretic peptide to human mesangial proliferation and collagen-IV expression
Huang Huang Luo, Cheng Wu, Peng Hu, Yang Fang Wu, Dong Dong Zhang, Si Yan Liu, Guang Mei Jiang, Yao Xu, Yue Wu, Jing Jing Wang, Fei Fei Liu, Wei Wei, Bo Hu
Journal of Investigative Medicine Jun 2018, 66 (5) 1-9; DOI: 10.1136/jim-2017-000533
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