A disintegrin and metalloenzyme (ADAM) 17 activation is regulated by α5β1 integrin in kidney mesangial cells

The disintegrin and metalloenzyme ADAM17 participates in numerous inflammatory and proliferative diseases, and its pathophysiological role was implicated in kidney fibrosis, polycystic kidney disease and other chronic kidney diseases. At present, we have little understanding how the enzyme activity...

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Veröffentlicht in:PloS one 2012-03, Vol.7 (3), p.e33350-e33350
Hauptverfasser: Gooz, Pal, Dang, Yujing, Higashiyama, Shigeki, Twal, Waleed O, Haycraft, Courtney J, Gooz, Monika
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Dang, Yujing
Higashiyama, Shigeki
Twal, Waleed O
Haycraft, Courtney J
Gooz, Monika
description The disintegrin and metalloenzyme ADAM17 participates in numerous inflammatory and proliferative diseases, and its pathophysiological role was implicated in kidney fibrosis, polycystic kidney disease and other chronic kidney diseases. At present, we have little understanding how the enzyme activity is regulated. In this study we wanted to characterize the role of α5β1 integrin in ADAM17 activity regulation during G protein-coupled receptor (GPCR) stimulation. We showed previously that the profibrotic GPCR agonist serotonin (5-HT) induced kidney mesangial cell proliferation through ADAM17 activation and heparin-binding epidermal growth factor (HB-EGF) shedding. In the present studies we observed that in unstimulated mesangial cell lysates α5β1 integrin co-precipitated with ADAM17 and that 5-HT treatment of the cells induced dissociation of α5β1 integrin from ADAM17. Using fluorescence immunostaining and in situ proximity ligation assay, we identified the perinuclear region as the localization of the ADAM17/α5β1 integrin interaction. In cell-free assays, we showed that purified α5β1 integrin and β1 integrin dose-dependently bound to and inhibited activity of recombinant ADAM17. We provided evidence that the conformation of the integrin determines its ADAM17-binding ability. To study the effect of β1 integrin on ADAM17 sheddase activity, we employed alkaline phosphatase-tagged HB-EGF. Overexpression of β1 integrin lead to complete inhibition of 5-HT-induced HB-EGF shedding and silencing β1 integrin by siRNA significantly increased mesangial cells ADAM17 responsiveness to 5-HT. Our data show for the first time that β1 integrin has an important physiological role in ADAM17 activity regulation. We suggest that regulating α5β1 integrin binding to ADAM17 could be an attractive therapeutic target in chronic kidney diseases.
doi_str_mv 10.1371/journal.pone.0033350
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We provided evidence that the conformation of the integrin determines its ADAM17-binding ability. To study the effect of β1 integrin on ADAM17 sheddase activity, we employed alkaline phosphatase-tagged HB-EGF. Overexpression of β1 integrin lead to complete inhibition of 5-HT-induced HB-EGF shedding and silencing β1 integrin by siRNA significantly increased mesangial cells ADAM17 responsiveness to 5-HT. Our data show for the first time that β1 integrin has an important physiological role in ADAM17 activity regulation. 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metabolism</topic><topic>ADAM17 Protein</topic><topic>Alkaline phosphatase</topic><topic>Angiogenesis</topic><topic>Animals</topic><topic>Apoptosis</topic><topic>Binding</topic><topic>Biochemistry</topic><topic>Biology</topic><topic>Breast cancer</topic><topic>Cell activation</topic><topic>Cell adhesion &amp; migration</topic><topic>Cell growth</topic><topic>Cell proliferation</topic><topic>Cells, Cultured</topic><topic>Diseases</topic><topic>Dissociation</topic><topic>Enzymatic activity</topic><topic>Enzyme Activation</topic><topic>Enzyme activity</topic><topic>Enzymes</topic><topic>Epidermal growth factor</topic><topic>Fibrosis</topic><topic>Fluorescence</topic><topic>G protein-coupled receptors</topic><topic>Heparin</topic><topic>Heparin-binding EGF-like Growth Factor</topic><topic>Inflammation</topic><topic>Inhibition</topic><topic>Integrin alpha5beta1 - metabolism</topic><topic>Integrin beta1 - metabolism</topic><topic>Intercellular Signaling Peptides and Proteins - metabolism</topic><topic>Kidney diseases</topic><topic>Kinases</topic><topic>Ligands</topic><topic>Localization</topic><topic>Lysates</topic><topic>Medicine</topic><topic>Mesangial cells</topic><topic>Mesangial Cells - enzymology</topic><topic>Mesangial Cells - metabolism</topic><topic>Multiprotein Complexes - metabolism</topic><topic>Permeability</topic><topic>Polycystic kidney</topic><topic>Protein Binding - drug effects</topic><topic>Protein Transport</topic><topic>Proteins</topic><topic>Rats</topic><topic>Rats, Sprague-Dawley</topic><topic>Receptors, G-Protein-Coupled - agonists</topic><topic>Rodents</topic><topic>Serotonin</topic><topic>Shedding</topic><topic>siRNA</topic><topic>Thiophenes - pharmacology</topic><topic>Tumor necrosis factor-TNF</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gooz, Pal</creatorcontrib><creatorcontrib>Dang, Yujing</creatorcontrib><creatorcontrib>Higashiyama, Shigeki</creatorcontrib><creatorcontrib>Twal, Waleed O</creatorcontrib><creatorcontrib>Haycraft, Courtney J</creatorcontrib><creatorcontrib>Gooz, Monika</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing &amp; Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological &amp; Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies &amp; Aerospace Collection</collection><collection>Agricultural &amp; Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts - 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At present, we have little understanding how the enzyme activity is regulated. In this study we wanted to characterize the role of α5β1 integrin in ADAM17 activity regulation during G protein-coupled receptor (GPCR) stimulation. We showed previously that the profibrotic GPCR agonist serotonin (5-HT) induced kidney mesangial cell proliferation through ADAM17 activation and heparin-binding epidermal growth factor (HB-EGF) shedding. In the present studies we observed that in unstimulated mesangial cell lysates α5β1 integrin co-precipitated with ADAM17 and that 5-HT treatment of the cells induced dissociation of α5β1 integrin from ADAM17. Using fluorescence immunostaining and in situ proximity ligation assay, we identified the perinuclear region as the localization of the ADAM17/α5β1 integrin interaction. In cell-free assays, we showed that purified α5β1 integrin and β1 integrin dose-dependently bound to and inhibited activity of recombinant ADAM17. We provided evidence that the conformation of the integrin determines its ADAM17-binding ability. To study the effect of β1 integrin on ADAM17 sheddase activity, we employed alkaline phosphatase-tagged HB-EGF. Overexpression of β1 integrin lead to complete inhibition of 5-HT-induced HB-EGF shedding and silencing β1 integrin by siRNA significantly increased mesangial cells ADAM17 responsiveness to 5-HT. Our data show for the first time that β1 integrin has an important physiological role in ADAM17 activity regulation. We suggest that regulating α5β1 integrin binding to ADAM17 could be an attractive therapeutic target in chronic kidney diseases.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>22413019</pmid><doi>10.1371/journal.pone.0033350</doi><oa>free_for_read</oa></addata></record>
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subjects Activation
ADAM Proteins - metabolism
ADAM17 Protein
Alkaline phosphatase
Angiogenesis
Animals
Apoptosis
Binding
Biochemistry
Biology
Breast cancer
Cell activation
Cell adhesion & migration
Cell growth
Cell proliferation
Cells, Cultured
Diseases
Dissociation
Enzymatic activity
Enzyme Activation
Enzyme activity
Enzymes
Epidermal growth factor
Fibrosis
Fluorescence
G protein-coupled receptors
Heparin
Heparin-binding EGF-like Growth Factor
Inflammation
Inhibition
Integrin alpha5beta1 - metabolism
Integrin beta1 - metabolism
Intercellular Signaling Peptides and Proteins - metabolism
Kidney diseases
Kinases
Ligands
Localization
Lysates
Medicine
Mesangial cells
Mesangial Cells - enzymology
Mesangial Cells - metabolism
Multiprotein Complexes - metabolism
Permeability
Polycystic kidney
Protein Binding - drug effects
Protein Transport
Proteins
Rats
Rats, Sprague-Dawley
Receptors, G-Protein-Coupled - agonists
Rodents
Serotonin
Shedding
siRNA
Thiophenes - pharmacology
Tumor necrosis factor-TNF
title A disintegrin and metalloenzyme (ADAM) 17 activation is regulated by α5β1 integrin in kidney mesangial cells
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