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The Actions of C-Type Natriuretic Peptide on Human Mesangial Cell Apoptosis and P53 Expression

Published online by Cambridge University Press:  02 July 2020

K. Seta  and
C. Wei
K. Seta
Affiliation:
Cardiorenal Molecular Research, Departments of Surgery and Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201
C. Wei
Affiliation:
Cardiorenal Molecular Research, Departments of Surgery and Medicine, University of Maryland School of Medicine, Baltimore, MD, 21201
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Extract

C-type natriuretic peptide (CNP) of endothelial cell origin via NPR-B receptor mediates antimitogenic and vasodilatory actions. As a circulating endocrine system, CNP plays a fundamental role in cardiorenal regulation. However, the actions of CNP on renal mesangial cell apoptosis remain poorly defined. Apoptosis might plays an important role during development of renal glomerular mesangial cells pathophysiology. The mechanisms of apoptosis include p53-dependent pathway and p53-independent pathway.

The hypothesis of this study is that CNP induces apoptosis through the process involving p53 gene in human glomerular mesangial cells via natriuretic peptide biological receptor. Therefore, the current study was designed to investigate the effects of CNP on apoptosis and p53 expression in human mesangial cell in the absence or presence of CNP biological receptor antagonist.

Cultured human mesangial cells (Clontech Lab., San Diego, CA) was incubated for 24 hours in the absence or presence of CNP (10-7 M). These studies were repeated with HS 142-1 (HS, 10-5 M), a CNP biological receptor antagonist.

Type
Apoptosis
Information
Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 624 - 625
Copyright
Copyright © Microscopy Society of America

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References

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