Bilirubin, Renal Hemodynamics and Blood Pressure

Bilirubin is generated from the breakdown of heme by heme oxygenase and the reduction of biliverdin by the enzyme biliverdin reductase. Several large population studies have reported a significant inverse correlation between plasma bilirubin levels and the incidence of cardiovascular disease. Prot...

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Main Authors: David E. Stec, Peter A. Hosick, Joey P. Granger
Format: Article
Language:English
Published: Frontiers Media S.A. 2012-02-01
Series:Frontiers in Pharmacology
Subjects:
Online Access:http://journal.frontiersin.org/Journal/10.3389/fphar.2012.00018/full
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author David E. Stec
Peter A. Hosick
Joey P. Granger
author_facet David E. Stec
Peter A. Hosick
Joey P. Granger
author_sort David E. Stec
collection DOAJ
description Bilirubin is generated from the breakdown of heme by heme oxygenase and the reduction of biliverdin by the enzyme biliverdin reductase. Several large population studies have reported a significant inverse correlation between plasma bilirubin levels and the incidence of cardiovascular disease. Protection from cardiovascular disease is also observed in patients with Gilbert’s syndrome which is a disease characterized by mutations in hepatic UGT1A1, the enzyme responsible for the conjugation of bilirubin into the bile. Despite the strong correlation between plasma bilirubin levels and the protection from cardiovascular disease, the mechanism by which increases in plasma bilirubin acts to protect against cardiovascular disease is unknown. Since the chronic antihypertensive actions of bilirubin are likely due to its renal actions, the effects of moderate increases in plasma bilirubin on renal hemodynamics as well as bilirubin’s potential effects on renal tubule function will be discussed in this review. Mechanisms of action as well as the potential for antihypertensive therapies targeting moderate increases in plasma bilirubin levels will also be highlighted.
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spelling doaj.art-66575c1a754148f1b373bed17777a8c52022-12-22T01:30:05ZengFrontiers Media S.A.Frontiers in Pharmacology1663-98122012-02-01310.3389/fphar.2012.0001819543Bilirubin, Renal Hemodynamics and Blood PressureDavid E. Stec0Peter A. Hosick1Joey P. Granger2University of Mississippi Medical CenterUniversity of Mississippi Medical CenterUniversity of Mississippi Medical CenterBilirubin is generated from the breakdown of heme by heme oxygenase and the reduction of biliverdin by the enzyme biliverdin reductase. Several large population studies have reported a significant inverse correlation between plasma bilirubin levels and the incidence of cardiovascular disease. Protection from cardiovascular disease is also observed in patients with Gilbert’s syndrome which is a disease characterized by mutations in hepatic UGT1A1, the enzyme responsible for the conjugation of bilirubin into the bile. Despite the strong correlation between plasma bilirubin levels and the protection from cardiovascular disease, the mechanism by which increases in plasma bilirubin acts to protect against cardiovascular disease is unknown. Since the chronic antihypertensive actions of bilirubin are likely due to its renal actions, the effects of moderate increases in plasma bilirubin on renal hemodynamics as well as bilirubin’s potential effects on renal tubule function will be discussed in this review. Mechanisms of action as well as the potential for antihypertensive therapies targeting moderate increases in plasma bilirubin levels will also be highlighted.http://journal.frontiersin.org/Journal/10.3389/fphar.2012.00018/fullCarbon MonoxideGlomerular Filtration RateKidneyLiverheme oxygenaseBiliverdin Reductase
spellingShingle David E. Stec
Peter A. Hosick
Joey P. Granger
Bilirubin, Renal Hemodynamics and Blood Pressure
Frontiers in Pharmacology
Carbon Monoxide
Glomerular Filtration Rate
Kidney
Liver
heme oxygenase
Biliverdin Reductase
title Bilirubin, Renal Hemodynamics and Blood Pressure
title_full Bilirubin, Renal Hemodynamics and Blood Pressure
title_fullStr Bilirubin, Renal Hemodynamics and Blood Pressure
title_full_unstemmed Bilirubin, Renal Hemodynamics and Blood Pressure
title_short Bilirubin, Renal Hemodynamics and Blood Pressure
title_sort bilirubin renal hemodynamics and blood pressure
topic Carbon Monoxide
Glomerular Filtration Rate
Kidney
Liver
heme oxygenase
Biliverdin Reductase
url http://journal.frontiersin.org/Journal/10.3389/fphar.2012.00018/full
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