The oxidative stress mediator 4-hydroxynonenal is an intracellular agonist of the nuclear receptor peroxisome proliferator-activated receptor-β/δ (PPARβ/δ)

Jeffrey D. Coleman, Kumble Sandeep Prabhu, Jerry T. Thompson, P. Sreenivasula Reddy, Jeffrey Maurice Peters, Blake R. Peterson, C. Channa Reddy, John Patrick Vanden Heuvel

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Liver insufficiency and damage are major causes of death and disease worldwide and may result from exposure to environmental toxicants, specific combinations or dosages of pharmaceuticals, and microbial metabolites. The generation of reactive intermediates, in particular 4-hydroxynonenal (4-HNE), is a common event in liver damage caused by a variety of hepatotoxic drugs and solvents. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that are involved in the transcriptional regulation of lipid metabolism as well as other biological functions. Importantly, we have observed that the PPARβ/δ-/- mouse is more susceptible to chemically induced hepatotoxicity than its wild-type counterpart, and our objective in this study was to elucidate the mechanism(s) by which PPARβ/δ confers protection to hepatocytes. We hypothesized that PPARβ/δ plays a protective role by responding to toxic lipids and altering gene expression accordingly. In support, oxidized-VLDL and constituents including 13-S-hydroxyoctadecadienoic acid (13-S-HODE) and 4-HNE are PPARβ/δ ligands. A structure-activity relationship was established where 4-HNE and 4-hydroperoxynonenal (4-HpNE) enhanced the activity of the PPARβ/δ subtype while 4-hyroxyhexenal (4-HHE), 4-oxo-2-Nonenal (4-ONE), and trans-4,5-epoxy-2(E)-decenal did not activate this receptor. Increasing PPARβ/δ activity with a synthetic agonist decreased sensitivity of hepatocytes to 4-HNE and other toxic agents, whereas inhibition of this receptor had the opposite result. Gene expression microarray analysis identified several important PPARβ/δ-regulated detoxification enzymes involved in 4-HNE metabolism that are regulated at the transcript level. This research established 4-HNE as an endogenous modulator of PPARβ/δ activity and raises the possibility that agonists of this nuclear receptor may be utilized to prevent or treat liver disease associated with oxidative damage.

Original languageEnglish (US)
Pages (from-to)1155-1164
Number of pages10
JournalFree Radical Biology and Medicine
Volume42
Issue number8
DOIs
StatePublished - Apr 15 2007

Fingerprint

Peroxisome Proliferator-Activated Receptors
Oxidative stress
Cytoplasmic and Nuclear Receptors
Oxidative Stress
Liver
Poisons
Gene expression
Hepatocytes
Hepatic Insufficiency
Gene Expression
4-hydroxy-2-nonenal
Detoxification
Environmental Exposure
Structure-Activity Relationship
Microarray Analysis
Microarrays
Metabolites
Lipid Metabolism
Metabolism
Pharmaceutical Preparations

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physiology (medical)

Cite this

@article{8a171c564028477795a4d04ffb68fae0,
title = "The oxidative stress mediator 4-hydroxynonenal is an intracellular agonist of the nuclear receptor peroxisome proliferator-activated receptor-β/δ (PPARβ/δ)",
abstract = "Liver insufficiency and damage are major causes of death and disease worldwide and may result from exposure to environmental toxicants, specific combinations or dosages of pharmaceuticals, and microbial metabolites. The generation of reactive intermediates, in particular 4-hydroxynonenal (4-HNE), is a common event in liver damage caused by a variety of hepatotoxic drugs and solvents. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that are involved in the transcriptional regulation of lipid metabolism as well as other biological functions. Importantly, we have observed that the PPARβ/δ-/- mouse is more susceptible to chemically induced hepatotoxicity than its wild-type counterpart, and our objective in this study was to elucidate the mechanism(s) by which PPARβ/δ confers protection to hepatocytes. We hypothesized that PPARβ/δ plays a protective role by responding to toxic lipids and altering gene expression accordingly. In support, oxidized-VLDL and constituents including 13-S-hydroxyoctadecadienoic acid (13-S-HODE) and 4-HNE are PPARβ/δ ligands. A structure-activity relationship was established where 4-HNE and 4-hydroperoxynonenal (4-HpNE) enhanced the activity of the PPARβ/δ subtype while 4-hyroxyhexenal (4-HHE), 4-oxo-2-Nonenal (4-ONE), and trans-4,5-epoxy-2(E)-decenal did not activate this receptor. Increasing PPARβ/δ activity with a synthetic agonist decreased sensitivity of hepatocytes to 4-HNE and other toxic agents, whereas inhibition of this receptor had the opposite result. Gene expression microarray analysis identified several important PPARβ/δ-regulated detoxification enzymes involved in 4-HNE metabolism that are regulated at the transcript level. This research established 4-HNE as an endogenous modulator of PPARβ/δ activity and raises the possibility that agonists of this nuclear receptor may be utilized to prevent or treat liver disease associated with oxidative damage.",
author = "Coleman, {Jeffrey D.} and Prabhu, {Kumble Sandeep} and Thompson, {Jerry T.} and Reddy, {P. Sreenivasula} and Peters, {Jeffrey Maurice} and Peterson, {Blake R.} and Reddy, {C. Channa} and {Vanden Heuvel}, {John Patrick}",
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The oxidative stress mediator 4-hydroxynonenal is an intracellular agonist of the nuclear receptor peroxisome proliferator-activated receptor-β/δ (PPARβ/δ). / Coleman, Jeffrey D.; Prabhu, Kumble Sandeep; Thompson, Jerry T.; Reddy, P. Sreenivasula; Peters, Jeffrey Maurice; Peterson, Blake R.; Reddy, C. Channa; Vanden Heuvel, John Patrick.

In: Free Radical Biology and Medicine, Vol. 42, No. 8, 15.04.2007, p. 1155-1164.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The oxidative stress mediator 4-hydroxynonenal is an intracellular agonist of the nuclear receptor peroxisome proliferator-activated receptor-β/δ (PPARβ/δ)

AU - Coleman, Jeffrey D.

AU - Prabhu, Kumble Sandeep

AU - Thompson, Jerry T.

AU - Reddy, P. Sreenivasula

AU - Peters, Jeffrey Maurice

AU - Peterson, Blake R.

AU - Reddy, C. Channa

AU - Vanden Heuvel, John Patrick

PY - 2007/4/15

Y1 - 2007/4/15

N2 - Liver insufficiency and damage are major causes of death and disease worldwide and may result from exposure to environmental toxicants, specific combinations or dosages of pharmaceuticals, and microbial metabolites. The generation of reactive intermediates, in particular 4-hydroxynonenal (4-HNE), is a common event in liver damage caused by a variety of hepatotoxic drugs and solvents. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that are involved in the transcriptional regulation of lipid metabolism as well as other biological functions. Importantly, we have observed that the PPARβ/δ-/- mouse is more susceptible to chemically induced hepatotoxicity than its wild-type counterpart, and our objective in this study was to elucidate the mechanism(s) by which PPARβ/δ confers protection to hepatocytes. We hypothesized that PPARβ/δ plays a protective role by responding to toxic lipids and altering gene expression accordingly. In support, oxidized-VLDL and constituents including 13-S-hydroxyoctadecadienoic acid (13-S-HODE) and 4-HNE are PPARβ/δ ligands. A structure-activity relationship was established where 4-HNE and 4-hydroperoxynonenal (4-HpNE) enhanced the activity of the PPARβ/δ subtype while 4-hyroxyhexenal (4-HHE), 4-oxo-2-Nonenal (4-ONE), and trans-4,5-epoxy-2(E)-decenal did not activate this receptor. Increasing PPARβ/δ activity with a synthetic agonist decreased sensitivity of hepatocytes to 4-HNE and other toxic agents, whereas inhibition of this receptor had the opposite result. Gene expression microarray analysis identified several important PPARβ/δ-regulated detoxification enzymes involved in 4-HNE metabolism that are regulated at the transcript level. This research established 4-HNE as an endogenous modulator of PPARβ/δ activity and raises the possibility that agonists of this nuclear receptor may be utilized to prevent or treat liver disease associated with oxidative damage.

AB - Liver insufficiency and damage are major causes of death and disease worldwide and may result from exposure to environmental toxicants, specific combinations or dosages of pharmaceuticals, and microbial metabolites. The generation of reactive intermediates, in particular 4-hydroxynonenal (4-HNE), is a common event in liver damage caused by a variety of hepatotoxic drugs and solvents. The peroxisome proliferator-activated receptors (PPARs) are nuclear receptors that are involved in the transcriptional regulation of lipid metabolism as well as other biological functions. Importantly, we have observed that the PPARβ/δ-/- mouse is more susceptible to chemically induced hepatotoxicity than its wild-type counterpart, and our objective in this study was to elucidate the mechanism(s) by which PPARβ/δ confers protection to hepatocytes. We hypothesized that PPARβ/δ plays a protective role by responding to toxic lipids and altering gene expression accordingly. In support, oxidized-VLDL and constituents including 13-S-hydroxyoctadecadienoic acid (13-S-HODE) and 4-HNE are PPARβ/δ ligands. A structure-activity relationship was established where 4-HNE and 4-hydroperoxynonenal (4-HpNE) enhanced the activity of the PPARβ/δ subtype while 4-hyroxyhexenal (4-HHE), 4-oxo-2-Nonenal (4-ONE), and trans-4,5-epoxy-2(E)-decenal did not activate this receptor. Increasing PPARβ/δ activity with a synthetic agonist decreased sensitivity of hepatocytes to 4-HNE and other toxic agents, whereas inhibition of this receptor had the opposite result. Gene expression microarray analysis identified several important PPARβ/δ-regulated detoxification enzymes involved in 4-HNE metabolism that are regulated at the transcript level. This research established 4-HNE as an endogenous modulator of PPARβ/δ activity and raises the possibility that agonists of this nuclear receptor may be utilized to prevent or treat liver disease associated with oxidative damage.

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