Urotensin-II: More Than a Mediator for Kidney

Human urotensin-II (hU-II) is one of the most potent vasoconstrictors in mammals. Although both hU-II and its receptor, GPR14, are detected in several tissues, kidney is a major source of U-II in humans. Recent studies suggest that U-II may have a possible autocrine/paracrine functions in kidney and...

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Main Authors: Ayşe Balat, Mithat Büyükçelik
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Nephrology
Online Access:http://dx.doi.org/10.1155/2012/249790
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author Ayşe Balat
Mithat Büyükçelik
author_facet Ayşe Balat
Mithat Büyükçelik
author_sort Ayşe Balat
collection DOAJ
description Human urotensin-II (hU-II) is one of the most potent vasoconstrictors in mammals. Although both hU-II and its receptor, GPR14, are detected in several tissues, kidney is a major source of U-II in humans. Recent studies suggest that U-II may have a possible autocrine/paracrine functions in kidney and may be an important target molecule in studying renal pathophysiology. It has several effects on tubular transport and probably has active role in renal hemodynamics. Although it is an important peptide in renal physiology, certain diseases, such as hypertension and glomerulonephritis, may alter the expression of U-II. As might be expected, oxidative stress, mediators, and inflammation are like a devil's triangle in kidney diseases, mostly they induce each other. Since there is a complex relationship between U-II and oxidative stress, and other mediators, such as transforming growth factor β1 and angiotensin II, U-II is more than a mediator in glomerular diseases. Although it is an ancient peptide, known for 31 years, it looks like that U-II will continue to give new messages as well as raising more questions as research on it increases. In this paper, we mainly discuss the possible role of U-II on renal physiology and its effect on kidney diseases.
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spelling doaj-art-633288a26ea44d42bc385ea6249edad32025-08-20T02:35:15ZengWileyInternational Journal of Nephrology2090-214X2090-21582012-01-01201210.1155/2012/249790249790Urotensin-II: More Than a Mediator for KidneyAyşe Balat0Mithat Büyükçelik1Division of Pediatric Nephrology, Faculty of Medicine, University of Gaziantep, 27310 Gaziantep, TurkeyDivision of Pediatric Nephrology, Faculty of Medicine, University of Gaziantep, 27310 Gaziantep, TurkeyHuman urotensin-II (hU-II) is one of the most potent vasoconstrictors in mammals. Although both hU-II and its receptor, GPR14, are detected in several tissues, kidney is a major source of U-II in humans. Recent studies suggest that U-II may have a possible autocrine/paracrine functions in kidney and may be an important target molecule in studying renal pathophysiology. It has several effects on tubular transport and probably has active role in renal hemodynamics. Although it is an important peptide in renal physiology, certain diseases, such as hypertension and glomerulonephritis, may alter the expression of U-II. As might be expected, oxidative stress, mediators, and inflammation are like a devil's triangle in kidney diseases, mostly they induce each other. Since there is a complex relationship between U-II and oxidative stress, and other mediators, such as transforming growth factor β1 and angiotensin II, U-II is more than a mediator in glomerular diseases. Although it is an ancient peptide, known for 31 years, it looks like that U-II will continue to give new messages as well as raising more questions as research on it increases. In this paper, we mainly discuss the possible role of U-II on renal physiology and its effect on kidney diseases.http://dx.doi.org/10.1155/2012/249790
spellingShingle Ayşe Balat
Mithat Büyükçelik
Urotensin-II: More Than a Mediator for Kidney
International Journal of Nephrology
title Urotensin-II: More Than a Mediator for Kidney
title_full Urotensin-II: More Than a Mediator for Kidney
title_fullStr Urotensin-II: More Than a Mediator for Kidney
title_full_unstemmed Urotensin-II: More Than a Mediator for Kidney
title_short Urotensin-II: More Than a Mediator for Kidney
title_sort urotensin ii more than a mediator for kidney
url http://dx.doi.org/10.1155/2012/249790
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