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The 5A apolipoprotein A-I mimetic peptide displays anti-inflammatory and antioxidant properties in vivo and in vitro

Identifieur interne : 001349 ( Pmc/Curation ); précédent : 001348; suivant : 001350

The 5A apolipoprotein A-I mimetic peptide displays anti-inflammatory and antioxidant properties in vivo and in vitro

Auteurs : Fatiha Tabet [Australie] ; Alan T. Remaley [États-Unis] ; Aude I. Segaliny [Australie] ; Jonathan Millet [Australie] ; Ling Yan [Australie] ; Shirley Nakhla [Australie] ; Philip J. Barter [Australie] ; Kerry-Anne Rye [Australie] ; Gilles Lambert [Australie, France]

Source :

RBID : PMC:2828392

Abstract

Objectives

The apolipoprotein (apo) A-I mimetic peptide 5A is highly specific for ABCA1-transporter mediated cholesterol efflux. We investigated whether the 5A peptide shares other beneficial features of apoA-I, such as protection against inflammation and oxidation.

Methods

New-Zealand White rabbits received an infusion of apoA-I, reconstituted HDL containing apoA-I ((A-I)rHDL) or the 5A peptide complexed with phospholipids (PLPC), prior to inserting a collar around the carotid artery. Human coronary artery endothelial cells (HCAECs) were incubated with (A-I)rHDL or 5A/PLPC prior to TNFa stimulation.

Results

ApoA-I, (A-I)rHDL and 5A/PLPC reduced the collar mediated increase in (i) endothelial expression of cell adhesion molecules VCAM-1 and ICAM-1, (ii) O2 production as well as the expression of the Nox4 catalytic subunits of the NADPH oxidase, and (iii) infiltration of circulating neutrophils into the carotid intima-media. In HCAECs, both 5A/PLPC and (A-I)rHDL inhibited TNFa induced ICAM-1 and VCAM-1 expression as well as the NF-κB signalling cascade and O2 production. The effects of the 5A/PLPC complex were no longer apparent in HCAECs knocked down for ABCA1.

Conclusion

Like apoA-I, the 5A peptide inhibits acute inflammation and oxidative stress in rabbit carotids and HCAECs. In vitro, the 5A peptide exerts these beneficial effects through interaction with ABCA1.


Url:
DOI: 10.1161/ATVBAHA.109.200196
PubMed: 19965776
PubMed Central: 2828392

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PMC:2828392

Le document en format XML

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<sec id="S1">
<title>Objectives</title>
<p id="P1">The apolipoprotein (apo) A-I mimetic peptide 5A is highly specific for ABCA1-transporter mediated cholesterol efflux. We investigated whether the 5A peptide shares other beneficial features of apoA-I, such as protection against inflammation and oxidation.</p>
</sec>
<sec sec-type="methods" id="S2">
<title>Methods</title>
<p id="P2">New-Zealand White rabbits received an infusion of apoA-I, reconstituted HDL containing apoA-I ((A-I)rHDL) or the 5A peptide complexed with phospholipids (PLPC), prior to inserting a collar around the carotid artery. Human coronary artery endothelial cells (HCAECs) were incubated with (A-I)rHDL or 5A/PLPC prior to TNFa stimulation.</p>
</sec>
<sec id="S3">
<title>Results</title>
<p id="P3">ApoA-I, (A-I)rHDL and 5A/PLPC reduced the collar mediated increase in (i) endothelial expression of cell adhesion molecules VCAM-1 and ICAM-1, (ii) O
<sub>2</sub>
<sup></sup>
production as well as the expression of the Nox4 catalytic subunits of the NADPH oxidase, and (iii) infiltration of circulating neutrophils into the carotid intima-media. In HCAECs, both 5A/PLPC and (A-I)rHDL inhibited TNFa induced ICAM-1 and VCAM-1 expression as well as the NF-κB signalling cascade and O
<sub>2</sub>
<sup></sup>
production. The effects of the 5A/PLPC complex were no longer apparent in HCAECs knocked down for ABCA1.</p>
</sec>
<sec id="S4">
<title>Conclusion</title>
<p id="P4">Like apoA-I, the 5A peptide inhibits acute inflammation and oxidative stress in rabbit carotids and HCAECs. In vitro, the 5A peptide exerts these beneficial effects through interaction with ABCA1.</p>
</sec>
</div>
</front>
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<journal-id journal-id-type="nlm-journal-id">9505803</journal-id>
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<article-title>The 5A apolipoprotein A-I mimetic peptide displays anti-inflammatory and antioxidant properties in vivo and in vitro</article-title>
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<name>
<surname>Tabet</surname>
<given-names>Fatiha</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
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<contrib contrib-type="author">
<name>
<surname>Remaley</surname>
<given-names>Alan T.</given-names>
</name>
<xref ref-type="aff" rid="A2">2</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Segaliny</surname>
<given-names>Aude I.</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Millet</surname>
<given-names>Jonathan</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Yan</surname>
<given-names>Ling</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Nakhla</surname>
<given-names>Shirley</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Barter</surname>
<given-names>Philip J.</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref ref-type="aff" rid="A4">4</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rye</surname>
<given-names>Kerry-Anne</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref ref-type="aff" rid="A3">3</xref>
<xref ref-type="aff" rid="A4">4</xref>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Lambert</surname>
<given-names>Gilles</given-names>
</name>
<xref ref-type="aff" rid="A1">1</xref>
<xref ref-type="aff" rid="A5">5</xref>
</contrib>
</contrib-group>
<aff id="A1">
<label>1</label>
Lipid Research Group, The Heart Research Institute, Sydney, New South Wales, Australia</aff>
<aff id="A2">
<label>2</label>
National Heart Lung and Blood Institute, Pulmonary and Vascular Medicine Branch, Lipoprotein Metabolism Section, Bethesda, MD, USA</aff>
<aff id="A3">
<label>3</label>
Department of Medicine, University of Melbourne, Melbourne, Victoria, Australia</aff>
<aff id="A4">
<label>4</label>
Faculty of Medicine, University of Sydney, New South Wales, Australia</aff>
<aff id="A5">
<label>5</label>
Université de Nantes, Faculté de Médecine, Nantes, France</aff>
<author-notes>
<corresp id="CR1">
<bold>Correspondence</bold>
: A/Prof Gilles Lambert, The Heart Research Institute, 114, Pyrmont Bridge Road, Camperdown, NSW 2050, Australia, Tel: +61 2 8208 8900; Fax: +61 2 9565 5584,
<email>lambertg@hri.org.au</email>
</corresp>
</author-notes>
<pub-date pub-type="nihms-submitted">
<day>3</day>
<month>2</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="epub">
<day>3</day>
<month>12</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="ppub">
<month>2</month>
<year>2010</year>
</pub-date>
<pub-date pub-type="pmc-release">
<day>1</day>
<month>2</month>
<year>2011</year>
</pub-date>
<volume>30</volume>
<issue>2</issue>
<fpage>246</fpage>
<lpage>252</lpage>
<abstract>
<sec id="S1">
<title>Objectives</title>
<p id="P1">The apolipoprotein (apo) A-I mimetic peptide 5A is highly specific for ABCA1-transporter mediated cholesterol efflux. We investigated whether the 5A peptide shares other beneficial features of apoA-I, such as protection against inflammation and oxidation.</p>
</sec>
<sec sec-type="methods" id="S2">
<title>Methods</title>
<p id="P2">New-Zealand White rabbits received an infusion of apoA-I, reconstituted HDL containing apoA-I ((A-I)rHDL) or the 5A peptide complexed with phospholipids (PLPC), prior to inserting a collar around the carotid artery. Human coronary artery endothelial cells (HCAECs) were incubated with (A-I)rHDL or 5A/PLPC prior to TNFa stimulation.</p>
</sec>
<sec id="S3">
<title>Results</title>
<p id="P3">ApoA-I, (A-I)rHDL and 5A/PLPC reduced the collar mediated increase in (i) endothelial expression of cell adhesion molecules VCAM-1 and ICAM-1, (ii) O
<sub>2</sub>
<sup></sup>
production as well as the expression of the Nox4 catalytic subunits of the NADPH oxidase, and (iii) infiltration of circulating neutrophils into the carotid intima-media. In HCAECs, both 5A/PLPC and (A-I)rHDL inhibited TNFa induced ICAM-1 and VCAM-1 expression as well as the NF-κB signalling cascade and O
<sub>2</sub>
<sup></sup>
production. The effects of the 5A/PLPC complex were no longer apparent in HCAECs knocked down for ABCA1.</p>
</sec>
<sec id="S4">
<title>Conclusion</title>
<p id="P4">Like apoA-I, the 5A peptide inhibits acute inflammation and oxidative stress in rabbit carotids and HCAECs. In vitro, the 5A peptide exerts these beneficial effects through interaction with ABCA1.</p>
</sec>
</abstract>
<kwd-group>
<kwd>HDL</kwd>
<kwd>apoA-I</kwd>
<kwd>mimetic peptide</kwd>
<kwd>inflammation</kwd>
<kwd>oxidation</kwd>
</kwd-group>
<contract-num rid="CL1">ZIA CL010303-09 ||CL</contract-num>
<contract-num rid="CL1">Z01 CL010303-07 ||CL</contract-num>
<contract-sponsor id="CL1">Clinical Center : CLC</contract-sponsor>
</article-meta>
</front>
</pmc>
</record>

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HfdIndexSelect -h $EXPLOR_AREA/Data/Pmc/Curation/RBID.i   -Sk "pubmed:19965776" \
       | HfdSelect -Kh $EXPLOR_AREA/Data/Pmc/Curation/biblio.hfd   \
       | NlmPubMed2Wicri -a AustralieFrV1 

Wicri

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