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Lamers C, Plüss CJ, Ricklin D. The Promiscuous Profile of Complement Receptor 3 in Ligand Binding, Immune Modulation, and Pathophysiology. Front Immunol 2021; 12:662164. [PMID: 33995387 PMCID: PMC8118671 DOI: 10.3389/fimmu.2021.662164] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/12/2021] [Indexed: 12/19/2022] Open
Abstract
The β2-integrin receptor family has a broad spectrum of physiological functions ranging from leukocyte adhesion, cell migration, activation, and communication to the phagocytic uptake of cells and particles. Among the members of this family, complement receptor 3 (CR3; CD11b/CD18, Mac-1, αMβ2) is particularly promiscuous in its functional profile and ligand selectivity. There are close to 100 reported structurally unrelated ligands for CR3, and while many ligands appear to cluster at the αMI domain, molecular details about binding modes remain largely elusive. The versatility of CR3 is reflected in its functional portfolio, which includes prominent roles in the removal of invaders and cell debris, induction of tolerance and synaptic pruning, and involvement in the pathogenesis of numerous autoimmune and chronic inflammatory pathologies. While CR3 is an interesting therapeutic target for immune modulation due to these known pathophysiological associations, drug development efforts are limited by concerns of potential interference with host defense functions and, most importantly, an insufficient molecular understanding of the interplay between ligand binding and functional impact. Here, we provide a systematic summary of the various interaction partners of CR3 with a focus on binding mechanisms and functional implications. We also discuss the roles of CR3 as an immune receptor in health and disease, as an activation marker in research and diagnostics, and as a therapeutic target.
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Affiliation(s)
- Christina Lamers
- Molecular Pharmacy Unit, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
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Ehrenfeld P, Bhoola KD, Matus CE, Figueroa CD. Functional interrelationships between the kallikrein-related peptidases family and the classical kinin system in the human neutrophil. Biol Chem 2019; 399:925-935. [PMID: 29883315 DOI: 10.1515/hsz-2017-0338] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Accepted: 04/15/2018] [Indexed: 11/15/2022]
Abstract
In the human neutrophil, kallikrein-related peptidases (KLKs) have a significant functional relationship with the classical kinin system as a kinin B1 receptor agonist induces secretion of KLK1, KLK6, KLK10, KLK13 and KLK14 into the medium. Secretion of KLK1, the kinin-forming enzyme, may perpetuate formation of kinin in the inflammatory milieu by hydrolyzing extravasated kininogens present in tissue edema. Secretion of KLKs into the inflammatory milieu, induced by kinins or other proinflammatory mediators, provides the human neutrophil with a wide range of molecular interactions to hydrolyze different cellular and extracellular matrix components, which may be of critical relevance in different mechanisms involving inflammation.
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Affiliation(s)
- Pamela Ehrenfeld
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Kanti D Bhoola
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile
| | - Carola E Matus
- Departament of Basic Sciences, Faculty of Medicine, Universidad de la Frontera, Temuco, Chile
| | - Carlos D Figueroa
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, 5110712 Valdivia, Chile.,Centro Interdisciplinario de Estudios del Sistema Nervioso (CISNe), Universidad Austral de Chile, Valdivia, Chile
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Dutra RC. Kinin receptors: Key regulators of autoimmunity. Autoimmun Rev 2017; 16:192-207. [DOI: 10.1016/j.autrev.2016.12.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 10/25/2016] [Indexed: 01/06/2023]
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Protease Inhibitors Extracted from Caesalpinia echinata Lam. Affect Kinin Release during Lung Inflammation. Pulm Med 2016; 2016:9425807. [PMID: 28044105 PMCID: PMC5156802 DOI: 10.1155/2016/9425807] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 10/07/2016] [Accepted: 10/20/2016] [Indexed: 11/18/2022] Open
Abstract
Inflammation is an essential process in many pulmonary diseases in which kinins are generated by protease action on kininogen, a phenomenon that is blocked by protease inhibitors. We evaluated kinin release in an in vivo lung inflammation model in rats, in the presence or absence of CeKI (C. echinata kallikrein inhibitor), a plasma kallikrein, cathepsin G, and proteinase-3 inhibitor, and rCeEI (recombinant C. echinata elastase inhibitor), which inhibits these proteases and also neutrophil elastase. Wistar rats were intravenously treated with buffer (negative control) or inhibitors and, subsequently, lipopolysaccharide was injected into their lungs. Blood, bronchoalveolar lavage fluid (BALF), and lung tissue were collected. In plasma, kinin release was higher in the LPS-treated animals in comparison to CeKI or rCeEI groups. rCeEI-treated animals presented less kinin than CeKI-treated group. Our data suggest that kinins play a pivotal role in lung inflammation and may be generated by different enzymes; however, neutrophil elastase seems to be the most important in the lung tissue context. These results open perspectives for a better understanding of biological process where neutrophil enzymes participate and indicate these plant inhibitors and their recombinant correlates for therapeutic trials involving pulmonary diseases.
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Shariat-Madar Z, Schmaier AH. Review: The plasma kallikrein/kinin and renin angiotensin systems in blood pressure regulation in sepsis. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/09680519040100010101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The hemodynamics of septic shock after endotoxinemiai s influenced by the plasma kallikrein/kinin and the renin angiotensin systems. In recent years, new information has improved understanding of the protein/biologically active peptide interactions between these two systems. The plasma kallikrein/kinin system, more commonly known as the contact system, has undergone a re-evaluation as to how it assembles on cell membranes for physiological and pathophysiological activation and as to its role in Gram-negative sepsis. It has been proposed that it counterbalances the plasma renin angiotensin system. Furthermore, more knowledge about the renin angiotensin system has become available on how it either opposes the actions of the kallikrein/kinin system or, in some cases, summates with it. Understanding the interactions between these two systems may lead to development of better pharmacological treatments for endotoxin-induced shock.
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Affiliation(s)
- Zia Shariat-Madar
- Departments of Internal Medicine, The University of Michigan, Ann Arbor, Michigan, USA
| | - Alvin H. Schmaier
- Departments of Internal Medicine, The University of Michigan, Ann Arbor, Michigan, USA, , Department of Pathology, Hematology/Oncology Division, The University of Michigan, Ann Arbor, Michigan, USA
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Lizama AJ, Andrade Y, Colivoro P, Sarmiento J, Matus CE, Gonzalez CB, Bhoola KD, Ehrenfeld P, Figueroa CD. Expression and bioregulation of the kallikrein-related peptidases family in the human neutrophil. Innate Immun 2015; 21:575-586. [DOI: 10.1177/1753425914566083] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
Abstract
The family of kallikrein-related peptidases (KLKs) has been identified in a variety of immunolabeled human tissue sections, but no previous study has experimentally confirmed their presence in the human neutrophil. We have investigated the expression and bioregulation of particular KLKs in the human neutrophil and, in addition, examined whether stimulation by a kinin B1receptor (B1R) agonist or fMet-Leu-Phe (fMLP) induces their secretion. Western blot analysis of neutrophil homogenates indicated that the MM of the KLKs ranged from 27 to 50 kDa. RT-PCR showed that blood neutrophils expressed only KLK1, KLK4, KLK10, KLK13, KLK14 and KLK15 mRNAs, whereas the non-differentiated HL-60 cells expressed most of them, with exception of KLK3 and KLK7. Nevertheless, mRNAs for KLK2, KLK5, KLK6 and KLK9 that were previously undetectable appeared after challenging with a mixture of cytokines. Both kinin B1R agonist and fMLP induced secretion of KLK1, KLK6, KLK10, KLK13 and KLK14 into the culture medium in similar amounts, whereas the B1R agonist caused the release of lower amounts of KLK2, KLK4 and KLK5. When secreted, the differing proteolytic activity of KLKs provides the human neutrophil with a multifunctional enzymatic capacity supporting a new dimension for its role in human disorders of diverse etiology.
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Affiliation(s)
- Alejandro J Lizama
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Yessica Andrade
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Patricio Colivoro
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Jose Sarmiento
- Instituto de Fisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Carola E Matus
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Carlos B Gonzalez
- Instituto de Fisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Kanti D Bhoola
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Pamela Ehrenfeld
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Carlos D Figueroa
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
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Abstract
The plasma contact activation (CAS) and kallikrein/kinin (KKS) systems consist of 4 proteins: factor XII, prekallikrein, high molecular weight kininogen, and the bradykinin B2 receptor. Murine genetic deletion of factor XII (F12(-/-)), prekallikrein (Klkb1(-/-)), high molecular weight kininogen (Kgn1(-/-)) and the bradykinin B2 receptor (Bdkrb2(-/-)) yield animals protected from thrombosis. With possible exception of F12(-/-) and Kgn1(-/-) mice, the mechanism(s) for thrombosis protection is not reduced contact activation. Bdkrb2(-/-) mice are best characterized and they are protected from thrombosis through over expression of components of the renin angiotensin system (RAS) leading to elevated prostacyclin with vascular and platelet inhibition. Alternatively, prolylcarboxypeptidase, a PK activator and degrader of angiotensin II, when deficient in the mouse leads to a prothrombotic state. Its mechanism for increased thrombosis also is mediated in part by components of the RAS. These observations suggest that thrombosis in mice of the CAS and KKS are mediated in part through the RAS and independent of reduced contact activation.
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Figueroa CD, Matus CE, Pavicic F, Sarmiento J, Hidalgo MA, Burgos RA, Gonzalez CB, Bhoola KD, Ehrenfeld P. Kinin B1 receptor regulates interactions between neutrophils and endothelial cells by modulating the levels of Mac-1, LFA-1 and intercellular adhesion molecule-1. Innate Immun 2014; 21:289-304. [PMID: 24728914 DOI: 10.1177/1753425914529169] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Kinins are pro-inflammatory peptides that mimic the cardinal features of inflammation. We examined the concept that expression levels of endothelial intercellular adhesion molecule-1 (ICAM-1) and neutrophil integrins Mac-1 and LFA-1 are modulated by the kinin B1 receptor (B1R) agonist, Lys-des[Arg(9)]bradykinin (LDBK). Stimulation of endothelial cells with LDBK increased the levels of ICAM-1 mRNA transcripts/protein, and also of E-selectin and platelet endothelial adhesion molecule-1. ICAM-1 levels increased in a magnitude comparable with that produced by TNF-α. This stimulatory effect was reduced when endothelial cells, which had been previously transfected with a B1R small interfering RNA, were stimulated with LDBK, under comparable conditions. Similarly, LDBK produced a significant increase in protein levels of LFA-1 and Mac-1 integrins in human neutrophils, an effect that was reversed by pretreatment of cells with 10 µg/ml cycloheximide or a B1R antagonist. Functional experiments performed with post-confluent monolayers of endothelial cells stimulated with LDBK and neutrophils primed with TNF-α, and vice versa, resulted in enhanced adhesiveness between both cells. Neutralizing Abs to ICAM-1 and Mac-1 reduced the adhesion between them. Our results indicate that kinin B1R is a novel modulator that promotes adhesion of leukocytes to endothelial cells, critically enhancing the movement of neutrophils from the circulation to sites of inflammation.
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Affiliation(s)
- Carlos D Figueroa
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Carola E Matus
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Francisca Pavicic
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Jose Sarmiento
- Instituto de Fisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Maria A Hidalgo
- Instituto de Farmacologia y Morfofisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Rafael A Burgos
- Instituto de Farmacologia y Morfofisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Carlos B Gonzalez
- Instituto de Fisiologia, Universidad Austral de Chile, Valdivia, Chile
| | - Kanti D Bhoola
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
| | - Pamela Ehrenfeld
- Laboratorio de Patologia Celular, Instituto de Anatomia, Histologia y Patologia, Universidad Austral de Chile, Valdivia, Chile
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Björkqvist J, Jämsä A, Renné T. Plasma kallikrein: the bradykinin-producing enzyme. Thromb Haemost 2013; 110:399-407. [PMID: 23846131 DOI: 10.1160/th13-03-0258] [Citation(s) in RCA: 106] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Accepted: 06/04/2013] [Indexed: 12/21/2022]
Abstract
Plasma prekallikrein is the liver-derived precursor of the trypsin-like serine protease plasma kallikrein (PK) and circulates in plasma bound to high molecular weight kininogen. The zymogen is converted to PK by activated factor XII. PK drives multiple proteolytic reaction cascades in the cardiovascular system such as the intrinsic pathway of coagulation, the kallikrein-kinin system, the fibrinolytic system, the renin-angiotensin system and the alternative complement pathway. Here, we review the biochemistry and cell biology of PK and focus on recent in vivo studies that have established important functions of the protease in procoagulant and proinflammatory disease states. Targeting PK offers novel strategies not previously appreciated to interfere with thrombosis and vascular inflammation in a broad variety of diseases.
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Affiliation(s)
- J Björkqvist
- Thomas Renné, MD, PhD, Department of Molecular Medicine and Surgery, Karolinska Institutet, Karolinska University Hospital Solna (L1:00), SE-171 76 Stockholm, Sweden, Tel.: +46 8 517 73390, Fax: +46 310376, E-mail:
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Heparin affects the interaction of kininogen on endothelial cells. Biochimie 2011; 93:1839-45. [DOI: 10.1016/j.biochi.2011.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 07/04/2011] [Indexed: 11/21/2022]
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Vergiliana JFVD, Asokananthan N, Stewart GA. Activation of the plasma kallikrein-kinin system on human lung epithelial cells. Biol Chem 2011; 391:1067-77. [PMID: 20536386 DOI: 10.1515/bc.2010.102] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Activation of the tissue kallikrein-kinin system (KKS) plays a major inflammatory role in the lung, but the contribution of the plasma KKS remains unclear. Plasma KKS involves assembly and activation of high molecular weight kininogen (HK) and plasma prekallikrein (PPK) on cell surfaces, resulting in the liberation of the inflammatory peptide, bradykinin (BK), from HK by plasma kallikrein (PK). To this end, we determined the possible contribution of plasma KKS in BK formation using airway epithelium. The HK binding proteins, urokinase plasminogen activator receptor, cytokeratin 1 and gC1qR, were expressed on transformed A549 and BEAS-2B cell lines, as well as on normal lung tissue, but Mac-1 was absent. A549 cells bound FITC-labelled HK, which was only partially inhibited by a combination of antibodies to the HK binding proteins. HK-PPK complex activation on the transformed epithelial cell lines, as well as primary epithelial cells, resulted in PK formation and liberation of BK. HK-PPK activation was inhibited by cysteine, BK and protamine, and by novobiocin, a heat shock protein 90 (HSP90) inhibitor. In summary, lung epithelial cells support the assembly and activation of the plasma KKS by a mechanism dependent on HSP90, and could contribute to KKS-mediated inflammation in lung disease.
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Affiliation(s)
- Julius F Varano della Vergiliana
- School of Biomedical, Biomolecular and Chemical Sciences, University of Western Australia, 35 Stirling Highway, Perth 6009, Western Australia, Australia.
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Varano della Vergiliana JF, Lansley S, Tan AL, Creaney J, Lee YG, Stewart GA. Mesothelial cells activate the plasma kallikrein-kinin system during pleural inflammation. Biol Chem 2011; 392:633-42. [DOI: 10.1515/bc.2011.062] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractPleural inflammation underlies the formation of most exudative pleural effusions and the plasma kallikrein-kinin system (KKS) is known to contribute. Mesothelial cells are the predominant cell type in the pleural cavity, but their potential role in plasma KKS activation and BK production has not been studied. Bradykinin concentrations were higher in pleural fluids than the corresponding serum samples in patients with a variety of diseases. Bradykinin concentrations did not correlate with disease diagnosis, but were elevated in exudative effusions. It was demonstrated, using a range of primary and transformed mesothelial and mesothelioma cell lines, that cells assembled high molecular weight kininogen and plasma prekallikrein to liberate bradykinin, a process inhibited by novobiocin, a heat shock protein 90 (HSP90) inhibitor, cysteine, bradykinin and protamine sulphate. Of the common plasma prekallikrein activators, mesothelial cells expressed HSP90, but not prolylcarboxypeptidase or Factor XII. Calcium mobilisation was induced in some mesothelium-derived cell lines by bradykinin. Des-Arg9-bradykinin was inactive, indicating that mesothelial cells are responsive to bradykinin, mediated via the bradykinin receptor subtype 2. In summary, pleural mesothelial cells support the assembly and activation of the plasma KKS by a mechanism dependent on HSP90, and may contribute to KKS-mediated inflammation in pleural disease.
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Perluigi M, di Domenico F, Fiorini A, Cocciolo A, Giorgi A, Foppoli C, Butterfield DA, Giorlandino M, Giorlandino C, Eugenia Schininà M, Coccia R. Oxidative stress occurs early in Down syndrome pregnancy: A redox proteomics analysis of amniotic fluid. Proteomics Clin Appl 2011; 5:167-78. [DOI: 10.1002/prca.201000121] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Revised: 12/19/2010] [Accepted: 01/20/2011] [Indexed: 12/21/2022]
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Khan MM, Liu Y, Khan ME, Gilman ML, Khan ST, Bromberg M, Colman RW. Upregulation of tissue factor in monocytes by cleaved high molecular weight kininogen is dependent on TNF-alpha and IL-1beta. Am J Physiol Heart Circ Physiol 2009; 298:H652-8. [PMID: 19966052 DOI: 10.1152/ajpheart.00825.2009] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Inflammatory bowel disease and arthritis are associated with contact activation that results in cleavage of kininogen to form high molecular weight kininogen (HKa) and bradykinin. We have previously demonstrated that HKa can stimulate inflammatory cytokine and chemokine secretion from human monocytes. We now show that HKa can upregulate tissue factor antigen and procoagulant activity on human monocytes as a function of time (1-4 h) and HKa concentration (75-900 nM). The amino acid sequence responsible to block HKa effects is G440-H455. The HKa receptor macrophage-1 (Mac-1; CD11b18) is the binding site as shown by inhibition by a monoclonal antibody to CD11b/18. Chemical inhibitors of JNK, ERK, and p38 signaling pathways block cell signaling, as does an inhibitor to the transcription factor NF-kappaB. A combination of monoclonal antibodies to TNF-alpha and IL-1beta but neither alone inhibited the HKa induction of tissue factor. These results suggest that HKa mimics LPS by triggering a paracrine pathway in monocytes that depends on TNF-alpha and IL-1beta. Antibodies to kininogen or peptidomimetics might be a useful and safe therapy in inflammatory diseases or sepsis involving cytokines.
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Affiliation(s)
- Mohammad M Khan
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania, USA
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Ehrenfeld P, Matus CE, Pavicic F, Toledo C, Nualart F, Gonzalez CB, Burgos RA, Bhoola KD, Figueroa CD. Kinin B1 receptor activation turns on exocytosis of matrix metalloprotease-9 and myeloperoxidase in human neutrophils: involvement of mitogen-activated protein kinase family. J Leukoc Biol 2009; 86:1179-89. [PMID: 19641039 DOI: 10.1189/jlb.0109012] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
During neutrophil activation and degranulation, MMP-9 and MPO are released into the extracellular space to propagate inflammatory disorders. As kinin peptides are major participants in acute inflammatory responses, and the G-protein-coupled B(1)R mediates the chemotaxis of human neutrophils, we examined the release of the neutrophil enzymes MMP-9 and MPO by the B(1)R agonist LDBK and determined the signaling pathways that may regulate this cellular effect. Cytochalasin-treated and -untreated neutrophils were suspended in HBSS and stimulated with a range concentration of LDBK for 5 min. Zymography and Western blotting revealed that LDBK induced the release of MMP-9 and MPO. The use of specific signaling transduction inhibitors showed that release of MMP-9 depended on ERK1/2 and p38 MAPKs, whereas release of MPO involved only the p38 cascade. Inhibition of the key steps in these pathways showed that the release of both enzymes depended on PKC and PI3K. Stimulation of neutrophils with LDBK produced phosphorylation of ERK1/2 and p38 MAPK, which was inhibited by B(1)R antagonists. The phosphorylated ERK1/2 MAPK translocated to the neutrophil nucleus, suggesting that transcription of new genes may follow activation of B(1)R. Our results demonstrate that in human neutrophils, activation of kinin B(1)R by LDBK initiates separate signaling cascades that trigger the release of MMP-9 and MPO from tertiary and primary granules, respectively, suggesting that the B(1)R plays a pivotal role in inflammatory disorders.
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Affiliation(s)
- Pamela Ehrenfeld
- Laboratorio de Patologia Celular, Instituto de Anatomía, Histología and Patología, Universidad Austral de Chile, Valdivia, Chile
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Joseph K, Tholanikunnel BG, Kaplan AP. Factor XII–independent cleavage of high-molecular-weight kininogen by prekallikrein and inhibition by C1 inhibitor. J Allergy Clin Immunol 2009; 124:143-9. [DOI: 10.1016/j.jaci.2009.02.006] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2008] [Revised: 01/12/2009] [Accepted: 02/03/2009] [Indexed: 10/21/2022]
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Bryant J, Shariat-Madar Z. Human plasma kallikrein-kinin system: physiological and biochemical parameters. Cardiovasc Hematol Agents Med Chem 2009; 7:234-50. [PMID: 19689262 PMCID: PMC4905712 DOI: 10.2174/187152509789105444] [Citation(s) in RCA: 92] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The plasma kallikrein-kinin system (KKS) plays a critical role in human physiology. The KKS encompasses coagulation factor XII (FXII), the complex of prekallikrein (PK) and high molecular weight kininogen (HK). The conversion of plasma prekallikrein to kallikrein by the activated FXII and in response to numerous different stimuli leads to the generation of bradykinin (BK) and activated HK (HKa, an antiangiogenic peptide). BK is a proinflammatory peptide, a pain mediator and potent vasodilator, leading to robust accumulation of fluid in the interstitium. Systemic production of BK, HKa with the interplay between BK bound-BK receptors and the soluble form of HKa are key to angiogenesis and hemodynamics. KKS has been implicated in the pathogenesis of inflammation, hypertension, endotoxemia, and coagulopathy. In all these cases increased BK levels is the hallmark. In some cases, the persistent production of BK due to the deficiency of the blood protein C1-inhibitor, which controls FXII, is detrimental to the survival of the patients with hereditary angioedema (HAE). In others, the inability of angiotensin converting enzyme (ACE) to degrade BK leads to elevated BK levels and edema in patients on ACE inhibitors. Thus, the mechanisms that interfere with BK liberation or degradation would lead to blood pressure dysfunction. In contrast, anti-kallikrein treatment could have adverse effects in hemodynamic changes induced by vasoconstrictor agents. Genetic models of kallikrein deficiency are needed to evaluate the quantitative role of kallikrein and to validate whether strategies designed to activate or inhibit kallikrein may be important for regulating whole-body BK sensitivity.
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Affiliation(s)
- J.W. Bryant
- Pfizer Global Research and Development, CVMED Exploratory, Groton, CT 06340
| | - z Shariat-Madar
- School of Pharmacy, Department of Pharmacology, University of Mississippi, University, MS 38677-1848
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Barbasz A, Kozik A. The assembly and activation of kinin-forming systems on the surface of human U-937 macrophage-like cells. Biol Chem 2009; 390:269-75. [PMID: 19090728 DOI: 10.1515/bc.2009.032] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A complex of three plasma proteins, including the high molecular mass kininogen (HK), prekallikrein (PK), and factor XII (FXII), is known to assemble on cell surfaces to release bradykinin-related proinflammatory peptides (kinins). Only recently, the binding of HK to human macrophages was described in the U-937 cell line model. In the present study, the adsorption of the other components of plasma kinin-generating system to these cells was characterized. FXII was found to tightly bind to U-937 cells and was also shown to partially compete with HK for the same binding sites on the macrophage surface. The Mac-1 and gClqR proteins were found to be receptors for FXII on the cell surface. PK indirectly docked to the macrophages via the cell-bound HK and FXII. Within the complex of these proteins assembled on the macrophage, PK could be activated by FXII/FXIIa or independently of this factor, and the active PK effectively released kinins from HK. The cell surface-bound HK could also be the substrate for tissue kallikrein approaching the cell from the bulk fluid. The kinins released at the surface are suggested to induce secondary responses in the macrophages, leading to further propagation of the inflammatory state.
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Affiliation(s)
- Anna Barbasz
- Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
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20
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Coffman LG, Brown JC, Johnson DA, Parthasarathy N, D'Agostino RB, Lively MO, Hua X, Tilley SL, Muller-Esterl W, Willingham MC, Torti FM, Torti SV. Cleavage of high-molecular-weight kininogen by elastase and tryptase is inhibited by ferritin. Am J Physiol Lung Cell Mol Physiol 2008; 294:L505-15. [PMID: 18192590 DOI: 10.1152/ajplung.00347.2007] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Ferritin is a protein principally known for its role in iron storage. We have previously shown that ferritin can bind high-molecular-weight kininogen (HK). Upon proteolytic cleavage by the protease kallikrein, HK releases the proinflammatory peptide bradykinin (BK) and other biologically active products, such as two-chain high-molecular-weight kininogen, HKa. At inflammatory sites, HK is oxidized, which renders it a poor substrate for kallikrein. However, oxidized HK remains a good substrate for elastase and tryptase, thereby providing an alternative cleavage mechanism for HK during inflammation. Here we report that ferritin can retard the cleavage of both native HK and oxidized HK by elastase and tryptase. Initial rates of cleavage were reduced 45-75% in the presence of ferritin. Ferritin is not a substrate for elastase or tryptase and does not interfere with the ability of either protease to digest a synthetic substrate, suggesting that ferritin may impede HK cleavage through direct interaction with HK. Immunoprecipitation and solid phase binding studies reveal that ferritin and HK bind directly with a Kd of 134 nM. To test whether ferritin regulates HK cleavage in vivo, we used THP-1 cells, a human monocyte/macrophage cell line that has been used to model pulmonary inflammatory cells. We observed that ferritin impedes the cleavage of HK by secretory proteases in stimulated macrophages. Furthermore, ferritin, HK, and elastase are all present in or on alveolar macrophages in a mouse model of pulmonary inflammation. Collectively, these results implicate ferritin in the modulation of HK cleavage at sites of inflammation.
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Affiliation(s)
- Lan G Coffman
- Program in Molecular Medicine, Department of Biochemistry, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
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Abstract
The plasma kallikrein-kinin system consists of the proteins factor XII (FXII), prekallikrein (PK), and high molecular weight kininogen. It was first recognized as a surface-activated coagulation system that is activated when blood or plasma interacts with artificial surfaces. Although surface-activated contact activation occurs in vivo in the case of tissue destruction or a developing thrombus, the physiologic basis for the activation and function of this system has not been delineated. New investigations indicate that there is a proteolytic pathway on cells for PK activation independent of FXII. This pathway for PK with subsequent FXII activation indicates physiologic activities. These activities include blood pressure regulation and modulation of thrombosis risk independently of hemostasis. Furthermore, they include regulation of endothelial cell proliferation, angiogenesis and apoptosis through a cellular-based, outside-in signaling system. The present characterizations of this system, which incorrectly had been thought to initiate coagulation, represent an evolution of understanding in this field.
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Affiliation(s)
- A H Schmaier
- Division of Hematology and Oncology, Department of Medicine, Case Western Reserve University and University Hospitals Case Medical Center, 10900 Euclid Avenue, Cleveland, OH 44106, USA.
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22
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Assembly, activation, and physiologic influence of the plasma kallikrein/kinin system. Int Immunopharmacol 2007; 8:161-5. [PMID: 18182220 DOI: 10.1016/j.intimp.2007.08.022] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2007] [Revised: 08/24/2007] [Accepted: 08/28/2007] [Indexed: 01/09/2023]
Abstract
The plasma kallikrein/kinin system that consists of the proteins factor XII, prekallikrein, and high molecular weight kininogen was first recognized as a surface-activated coagulation system arising when blood or plasma interacts with artificial surfaces. Although surface-activated contact activation occurs in vivo when various negatively charged surfaces become exposed, including a developing platelet thrombus, a physiologic, non-injury mechanism for activation, regulation, and function of this system has been elusive. Recent investigations have shown that there is a physiologic pathway for assembly and activation of this system independent of factor XII. Gene deficient mice of the bradykinin B2 receptor and factor XII have been recognized to have reduced risk for arterial thrombosis. This plasma proteolytic system influences arterial thrombosis independent of influencing hemostasis. Thus, the plasma kallikrein/kinin system has two mechanisms for its activation: one that is dependent and another independent of factor XII. Better understanding of this system may lead to insight into mechanisms for arterial thrombosis, independent of hemostasis.
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23
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Barbasz A, Guevara-Lora I, Rapala-Kozik M, Kozik A. Kininogen binding to the surfaces of macrophages. Int Immunopharmacol 2007; 8:211-6. [PMID: 18182229 DOI: 10.1016/j.intimp.2007.08.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2007] [Revised: 07/27/2007] [Accepted: 08/01/2007] [Indexed: 01/09/2023]
Abstract
Kinin generation may be initiated on the cell surfaces via a primary kininogen docking which has been characterized for endothelial cells, platelets, neutrophils, astrocytes and smooth muscle cells. In this work we describe the adsorption of biotin-labeled human kininogens by murine RAW 264.7 macrophages and human U-937 monocytes/macrophages. Both cell types strongly bound high molecular mass kininogen (HK) in a zinc-ion dependent manner with the dissociation constants of 9.1 nM and 3.3 nM, respectively, and the binding capacities of 46 fmol and 71 fmol per million of respective cells. The HK binding was quenched by 50% by antibodies against Mac-1, gC1qR and uPAR proteins indicating that these macrophage surface receptors are involved in the HK adsorption. A significant increase of HK binding was observed after cell activation with phorbol myristate acetate. Our results suggest that macrophages, similarly to neutrophils, may supply kininogens to the inflammatory foci to support the local kinin production at these sites.
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Affiliation(s)
- Anna Barbasz
- Faculty of Biochemistry, Biophysics, and Biotechnology, Jagiellonian University, Gronostajowa 7, 30-387 Krakow, Poland
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24
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Khan MM, Bradford HN, Isordia-Salas I, Liu Y, Wu Y, Espinola RG, Ghebrehiwet B, Colman RW. High-molecular-weight kininogen fragments stimulate the secretion of cytokines and chemokines through uPAR, Mac-1, and gC1qR in monocytes. Arterioscler Thromb Vasc Biol 2006; 26:2260-6. [PMID: 16902163 PMCID: PMC2637648 DOI: 10.1161/01.atv.0000240290.70852.c0] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Plasma high-molecular-weight kininogen (HK) is cleaved in inflammatory diseases by kallikrein to HKa with release of bradykinin (BK). We postulated a direct link between HKa and cytokine/chemokine release. METHODS AND RESULTS HKa, but not BK, releases cytokines tumor necrosis factor (TNF)-alpha, interleukin (IL)-1beta, IL-6, and chemokines IL-8 and MCP-1 from isolated human mononuclear cells. At a concentration of 600 nM, glutathione-S-transferase (GST) fusion proteins of kininogen domain 3 (D3), a fragment of domain 3, E7P (aaG255-Q292), HK domain 5 (D5), the D5 recombinant peptides HG (aa K420-D474) and HGK (aa H475-S626) stimulated secretion of IL-1beta from mononuclear cells. Monoclonal antibodies (MAbs) specific for D5 or specific for D3 blocked release of IL-1beta by HKa, supporting the importance of both domains. Antibodies to HK receptors on leukocytes including Mac-1, LFA-1, uPAR, and C1qR inhibited IL-1beta secretion induced by tKa 98%, 89%, 85%, and 62%, respectively. Fractionation of mononuclear cells identified the responsible cell, a blood monocyte. Inhibitors of signaling pathways NFkB, JNK, and p38 but not extracellular signal-regulated kinase (ERK) decreased cytokine release from mononuclear cells. HKa increased the synthesis of IL-1beta as deduced by an increase of IL-1beta mRNA at 1 to 2 hours. CONCLUSIONS HKa domains 3 and 5 may contribute to the pathogenesis of inflammatory diseases by releasing IL-1beta from human monocytes using intracellular signaling pathways initiated by uPAR, beta2 integrins and gC1qR.
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MESH Headings
- Antibodies, Monoclonal/pharmacology
- CD11a Antigen/immunology
- Chemokines/metabolism
- Cytokines/metabolism
- Humans
- Interleukin-1/antagonists & inhibitors
- Interleukin-1/genetics
- Interleukin-1/metabolism
- Kininogen, High-Molecular-Weight/immunology
- Kininogen, High-Molecular-Weight/metabolism
- Kininogen, High-Molecular-Weight/pharmacology
- Macrophage-1 Antigen/immunology
- Macrophage-1 Antigen/metabolism
- Membrane Glycoproteins/immunology
- Membrane Glycoproteins/metabolism
- Mitogen-Activated Protein Kinases/physiology
- Monocytes/metabolism
- NF-kappa B/physiology
- Osmolar Concentration
- Peptide Fragments/immunology
- Peptide Fragments/metabolism
- Peptide Fragments/pharmacology
- RNA, Messenger/metabolism
- Receptors, Cell Surface/immunology
- Receptors, Cell Surface/metabolism
- Receptors, Complement/immunology
- Receptors, Complement/metabolism
- Receptors, Urokinase Plasminogen Activator
- Time Factors
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Affiliation(s)
- Mohammad M Khan
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, 3400 N. Broad St, Philadelphia, PA 19140, USA
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25
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Houle S, Papez MD, Ferazzini M, Hollenberg MD, Vergnolle N. Neutrophils and the kallikrein-kinin system in proteinase-activated receptor 4-mediated inflammation in rodents. Br J Pharmacol 2006; 146:670-8. [PMID: 16100525 PMCID: PMC1751199 DOI: 10.1038/sj.bjp.0706371] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
1 We evaluated a potential role for proteinase-activated receptor 4 (PAR(4)) in a rodent paw inflammation model, with a focus on two main features of inflammation: (1) oedema and (2) granulocyte recruitment. 2 A PAR(4) antagonist (Pepducin P4pal-10; palmitoyl-SGRRYGHALR-NH(2)) reduced both the oedema and granulocyte recruitment induced by a localized administration of carrageenan in the rat hind paw, pointing to a key role for PAR(4) in this inflammation model. 3 Further, intraplantar injection in the mouse hind paw of a PAR(4) agonist (AYPGKF-NH(2)), but not its standard PAR(4)-inactive peptide control (YAPGKF-NH(2)), caused an inflammatory reaction characterized by oedema (increased paw thickness) and granulocyte recruitment (increased paw myeloperoxidase activity). The PAR(4) agonist-induced effects were inhibited in mice pretreated with pepducin P4pal10. 4 These PAR(4) agonist-mediated effects were not affected by pretreatment with inhibitors of either NO production or prostaglandin release (L-NAME and indomethacin, respectively). 5 However, selective immuno-depletion of neutrophils significantly reduced PAR(4) agonist-induced oedema formation. 6 Moreover, AYPGKF-NH(2)-induced oedema was also reduced by pretreatment with either a kinin B(2) receptor antagonist (icatibant) or a tissue or plasma kallikrein inhibitor (FE999024 and FE999026, respectively), but not with a kinin B(1) receptor antagonist (SSR240612). 7 We conclude: (1) that PAR(4) plays an important role in the inflammatory response as it mediates some of the hallmarks of inflammation and (2) that PAR(4)-mediated oedema is dependent on the recruitment of neutrophils and components of the kallikrein-kinin system.
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Affiliation(s)
- Steeve Houle
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Canadian Institutes of Health Proteinases and Inflammation Network, Mucosal Inflammation Research Group, University of Calgary, 3330 Hospital Drive N.W., Calgary, Alberta, Canada T2N 4N1
| | - Martin D Papez
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Canadian Institutes of Health Proteinases and Inflammation Network, Mucosal Inflammation Research Group, University of Calgary, 3330 Hospital Drive N.W., Calgary, Alberta, Canada T2N 4N1
| | - Mara Ferazzini
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Canadian Institutes of Health Proteinases and Inflammation Network, Mucosal Inflammation Research Group, University of Calgary, 3330 Hospital Drive N.W., Calgary, Alberta, Canada T2N 4N1
| | - Morley D Hollenberg
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Canadian Institutes of Health Proteinases and Inflammation Network, Mucosal Inflammation Research Group, University of Calgary, 3330 Hospital Drive N.W., Calgary, Alberta, Canada T2N 4N1
- Department of Medicine, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada T2N 4N1
| | - Nathalie Vergnolle
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Canadian Institutes of Health Proteinases and Inflammation Network, Mucosal Inflammation Research Group, University of Calgary, 3330 Hospital Drive N.W., Calgary, Alberta, Canada T2N 4N1
- Author for correspondence:
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26
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Abstract
Hereditary and acquired deficiencies of the C1 inhibitor result in a single prominent symptom, namely angioedema. Angioedema may involve the skin, the gastrointestinal tract or the upper airway. Genetically determined defects in C1INH cause hereditary angioedema. The defect may be acquired as the result of an auto-antibody to C1INH or be due to the generation of anti-idiotypic antibody to monoclonal immunoglobulins as occurs in various B cell lymphoproliferative diseases. Androgens provide prophylaxis against attacks of angioedema. There is no widely approved treatment for acute attacks of angioedema although several promising drugs are now in the final stages of clinical trials.
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Affiliation(s)
- Fred S Rosen
- The CBR Institute for Biomedical Research, 800 Huntington Avenue, Boston, MA 02115, USA.
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27
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Abstract
Hereditary angioedema (HAE), characterized by recurrent episodes of angioedema involving the skin, or the mucosa of the upper respiratory or the gastrointestinal tracts, results from heterozygosity for deficiency of the serine proteinase inhibitor (serpin), C1 inhibitor (C1INH). The primary biological role of C1INH is to regulate activation of the complement system, the contact system, and the intrinsic coagulation system. During attacks of angioedema, together with decreasing levels of C1INH, the complement and contact systems are activated: C2 and C4 levels fall and high molecular weight kininogen is cleaved. Although previous data suggested that symptoms in HAE might be mediated via complement system activation, a combination of recent clinical data, in vitro studies, and analysis of C1INH-deficient mice all indicate that the major mediator of angioedema is bradykinin: (1) a vascular permeability enhancing factor can be generated in vitro in C1INH-depleted, C2-deficient plasma, but not from C1INH-depleted, contact system-deficient plasma; this factor was identified by sequence analysis as bradykinin; (2) bradykinin can be detected in the plasma of HAE patients during attacks of angioedema; (3) in several members of one family, expression of a C1INH variant that inhibits contact system proteases but has defective inhibition of C1r and C1s does not result in HAE; (4) C1INH-deficient (C1INH-/-) mice have a defect in vascular permeability that is suppressed by treatment with specific plasma kallikrein inhibitors and by bradykinin type 2 receptor (Bk2R) antagonists, and is eliminated in C1INH-/-, Bk2R-/- double-deficient mice.
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Affiliation(s)
- Alvin E Davis
- Department of Pediatrics, CBR Institute for Biomedical Research, Harvard Medical School, Boston, MA 02115, USA.
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28
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Espinola RG, Uknis A, Sainz IM, Isordia-Salas I, Pixley R, DeLa Cadena R, Long W, Agelan A, Gaughan J, Adam A, Colman RW. A monoclonal antibody to high-molecular weight kininogen is therapeutic in a rodent model of reactive arthritis. THE AMERICAN JOURNAL OF PATHOLOGY 2004; 165:969-76. [PMID: 15331420 PMCID: PMC1618603 DOI: 10.1016/s0002-9440(10)63358-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We reported that high-molecular weight kininogen is proangiogenic by releasing bradykinin and that a monoclonal antibody to high-molecular weight kininogen, C11C1, blocked its binding to endothelial cells. We now test if this antibody can prevent arthritis and systemic inflammation in a Lewis rat model. We studied 32 animals for 16 days. Group I (negative control) received saline intraperitoneally. Group II (disease-treated) received peptidoglycan-polysaccharide simultaneously with C11C1. Group III (disease-untreated) received peptidoglycan-polysaccharide simultaneously with isotype-matched mouse IgG. Group IV (disease-free-treated) and group V (disease-free isotype-treated) received saline and C11C1 or mouse IgG. Analysis of joint diameter changes showed a decrease in the C11C1 disease-treated group compared to the disease-untreated group. The hind paw inflammatory score showed a decrease in the intensity and extent of inflammation between the disease-untreated and the C11C1 disease-treated group. Prekallikrein, high-molecular weight kininogen, factor XI, and factor XII were decreased in the disease-untreated group compared to the C11C1 disease-treated group. T-kininogen was increased in the disease-untreated group when compared with the C11C1 disease-treated group. Disease-free groups IV and V did not show any sign of inflammation at any time. This study shows that monoclonal antibody C11C1 attenuates plasma kallikrein-kinin system activation, local and systemic inflammation, indicating therapeutic potential in reactive arthritis.
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Affiliation(s)
- Ricardo G Espinola
- The Sol Sherry Thrombosis Research Center, Temple University School of Medicine, Philadelphia, Pennsylvania, USA
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29
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Stuardo M, Gonzalez CB, Nualart F, Boric M, Corthorn J, Bhoola KD, Figueroa CD. Stimulated human neutrophils form biologically active kinin peptides from high and low molecular weight kininogens. J Leukoc Biol 2004; 75:631-40. [PMID: 14742641 DOI: 10.1189/jlb.1103546] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Human neutrophils play a pivotal role in acute inflammation. However, their capacity to generate bioactive kinin peptides has not been established as yet. We have examined the ability of neutrophil enzymes to release biologically active kinins in vitro from purified human H- and L-kininogens. Neutrophils isolated from human blood were stimulated with f-Met-Leu-Phe, thrombin, or human immunoglobulin G adsorbed to silica particles. Supernatants were incubated with iodinated kininogens, and polyacrylamide gel electrophoresis analyzed aliquots taken after a range of incubation times. A time-course analysis demonstrated that supernatants from stimulated neutrophils caused a rapid hydrolysis of both substrates, resulting in an accumulation of fragments ranging from 20 to less than 10 kDa. Radioimmunoassay (RIA) revealed that all supernatants were able to generate kinins in vitro. High-performance liquid chromatography of the generated peptides indicated that they had a retention time similar to that of bradykinin and Met-Lys-bradykinin, clearly recognized as kinin peptides when the corresponding fractions were tested by RIA. The kinin-immunoreactive fractions produced lowering of blood pressure and a dramatic increase in venular permeability. Biological activity of the neutrophil-generated kinins was completely abolished by the B2 receptor antagonist HOE140, indicating that over the time-course of the experiments, only kinin B2 agonists appeared to have been generated and that cellular actions of these were mediated by kinin B2 receptors. Together, our results demonstrate that human neutrophil proteases can release kinins from both plasma kininogens, suggesting that these peptides may participate actively during acute inflammation.
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Affiliation(s)
- Miguel Stuardo
- Institutos de Histología/Patología, Universidad Austral de Chile, Valdivia, Chile
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30
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Davis AE, Cai S, Liu D. The biological role of the C1 inhibitor in regulation of vascular permeability and modulation of inflammation. Adv Immunol 2004; 82:331-63. [PMID: 14975261 DOI: 10.1016/s0065-2776(04)82008-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Alvin E Davis
- Harvard Medical School, CBR Institute for Biomedical Research, Boston, Massachusetts 02115, USA
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31
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Ding-Zhou L, Margaill I, Palmier B, Pruneau D, Plotkine M, Marchand-Verrecchia C. LF 16-0687 Ms, a bradykinin B2 receptor antagonist, reduces ischemic brain injury in a murine model of transient focal cerebral ischemia. Br J Pharmacol 2003; 139:1539-47. [PMID: 12922942 PMCID: PMC1573979 DOI: 10.1038/sj.bjp.0705385] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
1. Bradykinin promotes neuronal damage and brain edema through the activation of the B(2) receptor. The neuroprotective effect of LF 16-0687 Ms, a B(2) receptor antagonist, has been described when given prior to induction of transient focal cerebral ischemia in rat, but there are no data regarding the consequence of a treatment when given after injury. Therefore, in a murine model of transient middle cerebral artery occlusion (MCAO), we evaluated the effect of LF 16-0687 Ms given prior to and/or after the onset of ischemia on neurological deficit, infarct volume and inflammatory responses including cerebral edema, blood-brain barrier (BBB) disruption and neutrophil accumulation. 2. LF 16-0687 Ms (1, 2 and 4 mg kg(-1)) administered 0.5 h before and, 1.25 and 6 h after MCAO, decreased the infarct volume by a maximum of 33% and significantly improved the neurological recovery. 3. When given at 0.25 and 6.25 h after MCAO, LF 16-0687 Ms (1.5, 3 and 6 mg kg(-1)) decreased the infarct volume by a maximum of 25% and improved the neurological score. 4. Post-treatment with LF 16-0687 Ms (1.5 mg kg(-1)) significantly decreased brain edema (-28%), BBB disruption (-60%) and neutrophil accumulation (-65%) induced by ischemia. Physiological parameters were not modified by LF 16-0687 Ms. 5. These data emphasize the role of bradykinin B(2) receptor in the development of infarct lesion, neurological deficit and inflammatory responses resulting from transient focal cerebral ischemia. Therefore, B(2) receptor antagonist might represent a new therapeutic approach in the pharmacological treatment of stroke.
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Affiliation(s)
- Li Ding-Zhou
- UPRES EA 2510, Laboratoire de Pharmacologie, Université René Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France
| | - Isabelle Margaill
- UPRES EA 2510, Laboratoire de Pharmacologie, Université René Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France
| | - Bruno Palmier
- UPRES EA 2510, Laboratoire de Pharmacologie, Université René Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France
| | - Didier Pruneau
- Centre de Recherche, Laboratoires Fournier, Daix, France
| | - Michel Plotkine
- UPRES EA 2510, Laboratoire de Pharmacologie, Université René Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France
| | - Catherine Marchand-Verrecchia
- UPRES EA 2510, Laboratoire de Pharmacologie, Université René Descartes, 4 Avenue de l'Observatoire, 75006 Paris, France
- Author for correspondence:
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32
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Zhao A, Lew JL, Huang L, Yu J, Zhang T, Hrywna Y, Thompson JR, de Pedro N, Blevins RA, Peláez F, Wright SD, Cui J. Human kininogen gene is transactivated by the farnesoid X receptor. J Biol Chem 2003; 278:28765-70. [PMID: 12761213 DOI: 10.1074/jbc.m304568200] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Human kininogen belongs to the plasma kallikreinkinin system. High molecular weight kininogen is the precursor for two-chain kinin-free kininogen and bradykinin. It has been shown that the two-chain kinin-free kininogen has the properties of anti-adhesion, anti-platelet aggregation, and anti-thrombosis, whereas bradykinin is a potent vasodilator and mediator of inflammation. In this study we show that the human kininogen gene is strongly up-regulated by agonists of the farnesoid X receptor (FXR), a nuclear receptor for bile acids. In primary human hepatocytes, both the endogenous FXR agonist chenodeoxycholate and synthetic FXR agonist GW4064 increased kininogen mRNA with a maximum induction of 8-10-fold. A more robust induction of kininogen expression was observed in HepG2 cells, where kininogen mRNA was increased by chenodeoxycholate or GW4064 up to 130-140-fold as shown by real time PCR. Northern blot analysis confirmed the up-regulation of kininogen expression by FXR agonists. To determine whether kininogen is a direct target of FXR, we examined the sequence of the kininogen promoter and identified a highly conserved FXR response element (inverted repeat, IR-1) in the proximity of the kininogen promoter (-66/-54). FXR/RXRalpha heterodimers specifically bind to this IR-1. A construct of a minimal promoter with the luciferase reporter containing this IR-1 was transactivated by FXR. Deletion or mutation of this IR-1 abolished FXR-mediated promoter activation, indicating that this IR-1 element is responsible for the promoter transactivation by FXR. We conclude that kininogen is a novel and direct target of FXR, and bile acids may play a role in the vasodilation and anti-coagulation processes.
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Affiliation(s)
- Annie Zhao
- Department of Atherosclerosis and Endocrinology, Bioinformatics, and Molecular Profiling, Merck Research Laboratories, Rahway, New Jersey 07065, USA
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Lehmberg J, Beck J, Baethmann A, Uhl E. Bradykinin antagonists reduce leukocyte-endothelium interactions after global cerebral ischemia. J Cereb Blood Flow Metab 2003; 23:441-8. [PMID: 12679721 DOI: 10.1097/01.wcb.0000052280.23292.35] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The aim of the present study was to evaluate the influence of bradykinin on microcirculatory changes and outcome after global cerebral ischemia (15 minute) in Mongolian gerbils. The cerebral microcirculation was investigated by fluorescent intravital microscopy. Survival and functional outcome was evaluated up to 4 d after ischemia. Animals were treated with the selective B(1) and B(2) receptor antagonists B 9858 and CP 0597, respectively, and the nonselective B(1)/B(2) receptor antagonist B 9430. Leukocyte activation was significantly reduced by all antagonists as indicated by a significant decrease in the number of rolling (33 +/- 20, 6 +/- 8, 9 +/- 10, and 13 +/- 10) and adherent leukocytes (9 +/- 7, 3 +/- 4, 1 +/- 1, and 2 +/- 3. 100 microm(-1) x min(-1) in controls and in animals treated with B(1), B(2), and B(1)/B(2) antagonist, respectively). Arteriolar diameters were significantly reduced during reperfusion (35 +/- 11 before and 27 +/- 8 microm 40 minutes after ischemia) in animals treated with the B(2) antagonist. The postischemic hypoperfusion, however, was not affected. Mortality was significantly higher in animals treated with the B(1) and the B(1)/B(2) antagonist. The authors concluded that bradykinin is involved in postischemic disturbances of cerebral microcirculation. The therapeutic effect of specific bradykinin receptor antagonists on functional outcome, however, remains unclear.
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Affiliation(s)
- Jens Lehmberg
- Department of Neurosurgery, Albert-Ludwigs-University, Freiburg i.B., Germany.
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Joseph K, Tholanikunnel BG, Kaplan AP. Activation of the bradykinin-forming cascade on endothelial cells: a role for heat shock protein 90. Int Immunopharmacol 2002; 2:1851-9. [PMID: 12489799 DOI: 10.1016/s1567-5769(02)00186-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Bradykinin is a major mediator of swelling in C1 inhibitor deficiency as well as the angioedema seen with ACE inhibitors and may contribute to bronchial hyper-reactivity in asthma. Formation of bradykinin occurs in the fluid phase and along cell surfaces requiring interaction of Factor XII, prekallikrein and high molecular weight kininogen (HK). The mechanism by which initiation occurs is uncertain. Recent data suggest that activation of the kinin-forming cascade can occur on the surface of endothelial cells, even in the absence of Factor XII. We demonstrate herein that during a 2-h incubation time, plasma deficient in either Factor XII or high molecular weight kininogen (HK) fail to activate kinin-forming cascade as compared to normal plasma. With more prolonged incubation, Factor XII deficient plasma gradually activates and HK deficient plasma does not. Our data support both Factor XII-dependent (rapid) and Factor XII-independent (slow) mechanisms; the latter may require a cell-derived protein (possibly protease) to activate prekallikrein in the presence of zinc ion and HK. To further define this cellular factor, we demonstrated that both cytosolic and membrane fractions from endothelial cells possessed the ability to catalyze prekallikrein conversion to kallikrein in the presence of HK and zinc ion. We purified this factor from cytosol by affinity chromatography employing corn trypsin inhibitor (CTI) as ligand. The fractions with peak activity were subjected to SDS-PAGE analysis, ligand blotted with biotinylated CTI, and positive bands were sequenced. Heat shock protein 90 (Hsp90) was identified as one of the proteins. Zinc-dependent activation of the prekallikrein-HK complex on endothelial cells was inhibited upon the addition of polyclonal antibody to Hsp90 in a dose-dependent manner. Although the mechanism by which Hsp90 activates the kinin-forming cascade is not yet clear, this protein represents the cellular contribution to the reaction and may become the dominant mechanism in pathologic circumstances in which Hsp90 is highly expressed or secreted.
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Affiliation(s)
- Kusumam Joseph
- Department of Medicine, Division of Pulmonary and Critical Care, Allergy and Clinical Immunology and Konishi-MUSC, Institute for Inflammation Research, 96 Jonathan Lucas Street, P.O. Box 250623, Charleston, SC 29425, USA
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Santoso S, Sachs UJH, Kroll H, Linder M, Ruf A, Preissner KT, Chavakis T. The junctional adhesion molecule 3 (JAM-3) on human platelets is a counterreceptor for the leukocyte integrin Mac-1. J Exp Med 2002; 196:679-91. [PMID: 12208882 PMCID: PMC2194005 DOI: 10.1084/jem.20020267] [Citation(s) in RCA: 303] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
The recently described junctional adhesion molecules (JAMs) in man and mice are involved in homotypic and heterotypic intercellular interactions. Here, a third member of this family, human JAM-3, was identified and described as a novel counterreceptor on platelets for the leukocyte beta2-integrin Mac-1 (alphaMbeta2, CD11b/CD18). With the help of two monoclonal antibodies, Gi11 and Gi13, against a 43-kD surface glycoprotein on human platelets, a full-length cDNA encoding JAM-3 was identified. JAM-3 is a type I transmembrane glycoprotein containing two Ig-like domains. Although JAM-3 did not undergo homophilic interactions, myelo-monocytic cells adhered to immobilized JAM-3 or to JAM-3-transfected cells. This heterophilic interaction was specifically attributed to a direct interaction of JAM-3 with the beta2-integrin Mac-1 and to a lower extent with p150.95 (alphaXbeta2, CD11c/CD18) but not with LFA-1 (alphaLbeta2, CD11a/CD18) or with beta1-integrins. These results were corroborated by analysis of K562 erythroleukemic cells transfected with different heterodimeric beta2-integrins and by using purified proteins. Moreover, purified JAM-3 or antibodies against JAM-3 blocked the platelet-neutrophil interaction, indicating that platelet JAM-3 serves as a counterreceptor for Mac-1 mediating leukocyte-platelet interactions. JAM-3 thereby provides a novel molecular target for antagonizing interactions between vascular cells that promote inflammatory vascular pathologies such as in atherothrombosis.
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Affiliation(s)
- Sentot Santoso
- Institute for Clinical Immunology and Transfusion Medicine, Justus-Liebig-University, D-35385 Giessen, Germany.
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Kahn R, Herwald H, Müller-Esterl W, Schmitt R, Sjögren AC, Truedsson L, Karpman D. Contact-system activation in children with vasculitis. Lancet 2002; 360:535-41. [PMID: 12241658 DOI: 10.1016/s0140-6736(02)09743-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND The contact system triggers the kallikrein-kinin cascade, liberating bradykinin from high-molecular-weight kininogen. Effectors of the contact system have proinflammatory and vasoactive properties. Vasculitis is a condition characterised by inflammation around vessel walls, leading to secondary tissue damage for which the underlying molecular mechanisms are poorly understood. Our aim was to investigate contact-system activation in children with vasculitis. METHODS We compared 17 children, aged 4-19 years, with vasculitis, engaging the skin, joints, intestines, or kidneys, with 21 controls, aged 2-18 years. We analysed proteolysis of high-molecular-weight kininogen by immunoblotting. Plasma bradykinin concentrations were quantified by ELISA. Kidney and skin biopsies were stained in situ for kinins. Concentrations of heparin binding protein (HBP) were quantified by ELISA. FINDINGS We noted extensive proteolysis of high-molecular-weight kininogen in the plasma of 13 of 17 patients, but in only one of 21 controls (p<0.0001). Bradykinin concentrations were higher in the patients' plasma (median 320 ng/L, range <1-19680) than in plasma from controls (11 ng/L, <1-304; p=0.0004). Patients had local release of kinins at sites of inflammation in kidney and skin biopsies. HBP values were raised in patients (17.4 microg/L, 5.4-237.6) compared with controls (6 microg/L, 2.5-43.4; p=0.008). INTERPRETATION Activation of the contact system could play a part in the pathogenesis of vasculitis, and explain the inflammation, pain, vasodilatation, and oedema seen in patients.
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Affiliation(s)
- Robin Kahn
- Department of Paediatrics, Lund University, Lund, Sweden
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Joseph K, Tholanikunnel BG, Kaplan AP. Heat shock protein 90 catalyzes activation of the prekallikrein-kininogen complex in the absence of factor XII. Proc Natl Acad Sci U S A 2002; 99:896-900. [PMID: 11792853 PMCID: PMC117402 DOI: 10.1073/pnas.022626899] [Citation(s) in RCA: 112] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Bradykinin is a major mediator of swelling in C1 inhibitor deficiency as well as the angioedema seen with ACE inhibitors and may contribute to bronchial hyperreactivity in asthma. Formation of bradykinin occurs in the fluid phase and along cell surfaces requiring interaction of factor XII, prekallikrein, and high M(r) kininogen (HK). Recent data suggest that activation of the kinin-forming cascade can occur on the surface of endothelial cells, even in the absence of factor XII. We sought to further define this factor XII-independent mechanism of kinin formation. Both cytosolic and membrane fractions from endothelial cells possessed the ability to catalyze prekallikrein conversion to kallikrein, and activation depended on the presence of HK and zinc ion. We fractionated the cytosol by ion exchange chromatography and affinity chromatography by using corn trypsin inhibitor as ligand. The fractions with peak activity were subjected to SDS gel electrophoresis and ligand blot with biotinylated corn trypsin inhibitor, and positive bands were sequenced. Heat shock protein 90 (Hsp90) was identified as the protein responsible for zinc-dependent prekallikrein activation in the presence of HK. Zinc-dependent activation of the prekallikrein-HK complex also depended on addition of either alpha and beta isoforms of Hsp90 and the activation on endothelial cells was inhibited on addition of polyclonal Ab to Hsp90 in a dose-dependent manner. Although the mechanism by which Hsp90 activates the kinin-forming cascade is not understood, this protein represents the cellular contribution to the reaction and may become the dominant mechanism in pathologic circumstances in which Hsp90 is highly expressed or secreted.
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Affiliation(s)
- Kusumam Joseph
- Department of Medicine, Division of Pulmonary and Critical Care, Allergy and Clinical Immunology and Konishi-Medical University of South Carolina, Institute for Inflammation Research, 96 Jonathan Lucas Street, Charleston, SC 29425, USA
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Cyr M, Eastlund T, Blais C, Rouleau JL, Adam A. Bradykinin metabolism and hypotensive transfusion reactions. Transfusion 2001; 41:136-50. [PMID: 11161259 DOI: 10.1046/j.1537-2995.2001.41010136.x] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
- M Cyr
- Faculty of Pharmacy, University of Montréal, Montréal, Québec, Canada
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39
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Blais C, Marceau F, Rouleau JL, Adam A. The kallikrein-kininogen-kinin system: lessons from the quantification of endogenous kinins. Peptides 2000; 21:1903-40. [PMID: 11150653 DOI: 10.1016/s0196-9781(00)00348-x] [Citation(s) in RCA: 99] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The purpose of the present review is to describe the place of endogenous kinins, mainly bradykinin (BK) and des-Arg(9)-BK in the kallikrein-kininogen-kinin system, to review and compare the different analytical methods reported for the assessment of endogenous kinins, to explain the difficulties and the pitfalls for their quantifications in biologic samples and finally to see how the results obtained by these methods could complement and extend the pharmacological evidence of their pathophysiological role.
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Affiliation(s)
- C Blais
- Faculté de pharmacie, Université de Montréal, 2900, Boul. Edouard-Montpetit, C.P. 6128, Succursale Centreville, Montréal, Québec H3C 3J7, Canada
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40
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Böckmann S, Paegelow I. Kinins and kinin receptors: importance for the activation of leukocytes. J Leukoc Biol 2000. [DOI: 10.1189/jlb.68.5.587] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Affiliation(s)
- Sabine Böckmann
- Institute of Experimental and Clinical Pharmacology and Toxicology, Medical Faculty, University of Rostock, Germany
| | - Inge Paegelow
- Institute of Experimental and Clinical Pharmacology and Toxicology, Medical Faculty, University of Rostock, Germany
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41
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Abstract
The kallikrein-kinin system is a mediator of inflammation in humans. In order to elucidate the range of expression of human tissue kallikrein and its substrates, high and low molecular weight kininogen, in inflammatory cells in vitro, we examined their biosynthesis in the HL-60 cell line by RT-PCR and Southern blot analyses. Prominent expression of tissue kallikrein mRNA occurred in untreated promyelocytic cultures as well as in HL-60 cells that were induced to differentiate toward neutrophilic, monocytic, and macrophagic cells. Under the same inducing conditions, kininogen biosynthesis was undetectable at each differentiation state of HL-60 cultures. These results indicate that the myelomonocytic lineage of human leukocytes is a source of tissue kallikrein, which may be secreted as part of the inflammatory process.
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Affiliation(s)
- D Podlich
- Institute for Biochemistry, Darmstadt University of Technology, Germany
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42
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Cleaved high molecular weight kininogen binds directly to the integrin CD11b/CD18 (Mac-1) and blocks adhesion to fibrinogen and ICAM-1. Blood 2000. [DOI: 10.1182/blood.v95.12.3788] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractHigh molecular weight kininogen (HK) and its cleaved form (HKa) have been shown to bind to neutrophils. Based on studies using monoclonal antibodies (mAbs), we postulated that CD11b/CD18 (Mac-1) might be the receptor on the neutrophils for binding to HK/HKa. However, the direct interaction of HK/HKa and Mac-1 had not been demonstrated. We therefore transfected HEK 293 cells with human Mac-1. Cell binding assays using fluorescein isothiocyanate-labeled HKa showed increased binding to the Mac-1 transfected cells compared with the control transfected cells. The binding was specific because unlabeled HKa, Mac-1–specific antibody, and fibrinogen can inhibit the binding of biotin-HKa to Mac-1 transfected cells. HKa bound to Mac-1 transfected cells (20 000 molecules/cell) with a Kd = 62 nmol/L. To demonstrate directly the formation of a complex between HKa and Mac-1, we examined the interaction of HKa and purified Mac-1 in a cell-free system using an IAsys resonant mirror optical biosensor. The association and dissociation rate constants (kon and koff, respectively) were determined, and they yielded a dissociation constant (Kd) of 3.2×10−9mol/L. The functional significance of direct interaction of HKa to Mac-1 was investigated by examining the effect of HKa on cellular adhesion to fibrinogen and intercellular adhesion molecule-1 (ICAM-1), molecules abundant in the injured vessel wall. HKa blocked the adhesion of Mac-1 transfected cells to fibrinogen and ICAM-1 in a dose-dependent manner. Thus, HKa may interrupt Mac-1–mediated cell–extracellular matrix and cell–cell adhesive interactions and may therefore influence the recruitment of circulating neutrophils/monocytes to sites of vessel injury.
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43
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Cleaved high molecular weight kininogen binds directly to the integrin CD11b/CD18 (Mac-1) and blocks adhesion to fibrinogen and ICAM-1. Blood 2000. [DOI: 10.1182/blood.v95.12.3788.012k47_3788_3795] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
High molecular weight kininogen (HK) and its cleaved form (HKa) have been shown to bind to neutrophils. Based on studies using monoclonal antibodies (mAbs), we postulated that CD11b/CD18 (Mac-1) might be the receptor on the neutrophils for binding to HK/HKa. However, the direct interaction of HK/HKa and Mac-1 had not been demonstrated. We therefore transfected HEK 293 cells with human Mac-1. Cell binding assays using fluorescein isothiocyanate-labeled HKa showed increased binding to the Mac-1 transfected cells compared with the control transfected cells. The binding was specific because unlabeled HKa, Mac-1–specific antibody, and fibrinogen can inhibit the binding of biotin-HKa to Mac-1 transfected cells. HKa bound to Mac-1 transfected cells (20 000 molecules/cell) with a Kd = 62 nmol/L. To demonstrate directly the formation of a complex between HKa and Mac-1, we examined the interaction of HKa and purified Mac-1 in a cell-free system using an IAsys resonant mirror optical biosensor. The association and dissociation rate constants (kon and koff, respectively) were determined, and they yielded a dissociation constant (Kd) of 3.2×10−9mol/L. The functional significance of direct interaction of HKa to Mac-1 was investigated by examining the effect of HKa on cellular adhesion to fibrinogen and intercellular adhesion molecule-1 (ICAM-1), molecules abundant in the injured vessel wall. HKa blocked the adhesion of Mac-1 transfected cells to fibrinogen and ICAM-1 in a dose-dependent manner. Thus, HKa may interrupt Mac-1–mediated cell–extracellular matrix and cell–cell adhesive interactions and may therefore influence the recruitment of circulating neutrophils/monocytes to sites of vessel injury.
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Turner PJ, Dear JW, Foreman JC. Involvement of kinins in hyperresponsiveness induced by platelet activating factor in the human nasal airway. Br J Pharmacol 2000; 129:525-32. [PMID: 10711351 PMCID: PMC1571872 DOI: 10.1038/sj.bjp.0703095] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
1. The aim of this study was to investigate the role of kinins in the development of nasal hyperresponsiveness induced by platelet activating factor (PAF) in normal human subjects. 2. Intranasal administration of PAF, 60 micrograms, induced an increased responsiveness to histamine, 200 micrograms per nostril, 6 h later. This effect was abolished by pretreatment with the bradykinin B2 receptor antagonists icatibant and [1-adamantaneacetyl-D-Arg0,Hyp3,beta-(2-thienyl)-Al a5,8,D-Phe7]-bradykinin ([Ad]-BK), both at 200 micrograms, every 2 h following PAF administration. 3. In a separate experiment, utilizing the same protocol, nasal lavage was used to measure the release of mediators into the nasal cavity following treatment with PAF. PAF increased the levels of eosinophil cationic protein (ECP) and kinin detected in the lavage samples, compared with a saline control. The levels of these mediators were reduced by pretreatment with either icatibant or [Ad]-BK. 4. Administration of lyso-PAF, 60 micrograms intranasally, did not cause a rise in kinin or ECP levels in nasal lavage fluid. 5. Exogenous bradykinin, 500 micrograms, or a saline control, applied topically to the nasal mucosa every 30 min for 2 h, failed to cause hyperresponsiveness to histamine. 6. We conclude that bradykinin itself does not cause hyperresponsiveness, but is involved in the hyperresponsiveness induced by PAF in the human nasal airway.
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Affiliation(s)
- P J Turner
- Department of Pharmacology, University College London, Gower Street, London WC1E 6BT
| | - J W Dear
- Department of Pharmacology, University College London, Gower Street, London WC1E 6BT
| | - J C Foreman
- Department of Pharmacology, University College London, Gower Street, London WC1E 6BT
- Author for correspondence:
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45
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Kemme M, Podlich D, Raidoo DM, Snyman C, Naidoo S, Bhoola KD. Identification of immunoreactive tissue prokallikrein on the surface membrane of human neutrophils. Biol Chem 1999; 380:1321-8. [PMID: 10614825 DOI: 10.1515/bc.1999.168] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Putative binding sites for prokallikrein, the endogenous zymogen of the vasoactive and pro-inflammatory tissue kallikrein-kinin system, were recently demonstrated on human neutrophils. However, the occurrence and distribution of neutrophil-bound prokallikrein itself have so far not been examined. In this study, a specific anti-peptide antibody directed against the propart of the zymogen was used to localize the kallikrein precursor by confocal laser-scanning microscopy on unstimulated human blood neutrophils. Our results describe, for the first time, the presence of tissue prokallikrein on the membrane of circulating neutrophils. Immunoreactive prokallikrein was associated into punctate clusters occupying the external surface of the neutrophil membrane and, after addition of exogenous zymogen, immunolabeling was enhanced four-fold. In contrast, only moderate immunoreactivity to prokallikrein was observed intracellularly. These results suggest that resting neutrophils provide a circulating platform for tissue prokallikrein whose surface density may be upregulated as part of the inflammatory process.
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Affiliation(s)
- M Kemme
- Institute for Biochemistry, Darmstadt University of Technology, Germany
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46
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Renné T, Dedio J, Meijers JC, Chung D, Müller-Esterl W. Mapping of the discontinuous H-kininogen binding site of plasma prekallikrein. Evidence for a critical role of apple domain-2. J Biol Chem 1999; 274:25777-84. [PMID: 10464316 DOI: 10.1074/jbc.274.36.25777] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Plasma prekallikrein, a zymogen of the contact phase system, circulates in plasma as heterodimeric complex with H-kininogen. The binding is mediated by the prekallikrein heavy chain consisting of four apple domains, A1 to A4, to which H-kininogen binds with high specificity and affinity (K(D) = 1.2 x 10(-8) M). Previous work had demonstrated that a discontinuous kininogen-binding site is formed by a proximal part located in A1, a distal part exposed by A4, and other yet unidentified portion(s) of the kallikrein heavy chain. To detect relevant binding segment(s) we recombinantly expressed single apple domains and found a rank order of binding affinity for kininogen of A2 > A4 approximately A1 > A3. Removal of single apple domains in prekallikrein deletion mutants reduced kininogen binding by 21 (A1), 64 (A2), and 24% (A4), respectively, whereas deletion of A3 was without effect. Transposition of homologous A2 domain from prekallikrein to factor XI conferred high-affinity kininogen binding from the former to the latter. The principal role of A2 for H-kininogen docking to the prekallikrein heavy chain was further substantiated by the finding that cleavage of a single peptide bond in A2 drastically diminished the H-kininogen binding affinity. Furthermore, the epitope of monoclonal antibody PKH6 which blocks kallikrein-kininogen complex formation with an IC(50) of 8 nM mapped to the center portion of domain A2. Our data indicate that domain A2 and two flanking sequence segments of A1 and A4 form a discontinuous binding platform for H-kininogen on the prekallikrein heavy chain. Domain-specific antibodies directed to these critical sites efficiently interfered with contact phase-induced bradykinin release from H-kininogen.
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Affiliation(s)
- T Renné
- Institute of Physiological Chemistry and Pathobiochemistry, Johannes Gutenberg University at Mainz, Duesbergweg 6, D-55099 Mainz, Germany
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47
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Figueroa CD, Stuardo M, Gonzalez CB, Nualart F, Corthorn J, Bhoola KD, Bhoola KD. Hydrolysis of kininogens by degranulated human neutrophils and analysis of bradykinin as chemotactic factor for cells isolated from peripheral blood. IMMUNOPHARMACOLOGY 1999; 43:211-7. [PMID: 10596855 DOI: 10.1016/s0162-3109(99)00092-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Human neutrophils play a pivotal role in acute inflammation including the regulation of vascular permeability. We have examined the capacity of neutrophil enzymes to hydrolyse human kininogens in vitro and have also explored the potentiality of bradykinin to induce chemotactic migration on neutrophils isolated from peripheral blood. Isolated neutrophils were stimulated with either f-Met-Leu-Phe, thrombin or silica particles coated with human IgG. Neutrophil enzymes obtained by degranulation produced, after 45 min of incubation with high and low molecular weight kininogens, the complete transformation of both proteins in polypeptides ranging from 20 to less than 10 kDa in molecular mass. Supernatants obtained from nonstimulated neutrophils did not modify the molecular size of kininogens. The assay used to test the chemoattractant capacity of synthetic bradykinin on human neutrophils showed that this peptide has no chemotactic activity on cells isolated from healthy subjects. Our results show that stimulation of human neutrophils with opsonized silica, thrombin and the chemotactic peptide f-Met-Leu-Phe induces release of kininogen-hydrolyzing enzymes from these cells.
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Affiliation(s)
- C D Figueroa
- Instituto de Histologia/Patologia, Universidad Austral, Valdivia, Chile.
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48
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Eshraghi HR, Zeitlin IJ, Fitzpatrick JL, Ternent H, Logue D. The release of bradykinin in bovine mastitis. Life Sci 1999; 64:1675-87. [PMID: 10328527 DOI: 10.1016/s0024-3205(99)00105-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The kinin peptides are released during inflammation and are amongst the most potent known mediators of vasodilatation, pain and oedema. Despite early reports of the presence of kinins in milk, no previous study has investigated the role of the kinin system in bovine mastitis. The present study indicated that mastitis was accompanied by raised levels of bradykinin (BK) in milk and the increased levels of BK correlated with the severity of mastitis. Raised BK levels in mastitic milk were not dependent on the presence of inflammatory cells, nor were they secondary to changes in blood levels of BK. In milk from sub-clinically inflamed quarters, BK was raised in those milks where Staphylococcus aureus (S. aureus) was isolated but not in those milks where no pathogen was isolated. Increasing S. aureus artificially, also caused an increase in the milk BK. Increases in milk BK were not restricted only to the mastitic quarters of the udder. In udders in which mastitis was detected in one or more quarters, BK increases were also detected in the apparently uninvolved quarters.
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Affiliation(s)
- H R Eshraghi
- Department of Physiology and Pharmacology, University of Strathclyde, Glasgow, Scotland, UK
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49
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Turner PJ, Foreman JC. Hyperresponsiveness in the human nasal airway: new targets for the treatment of allergic airway disease. Mediators Inflamm 1999; 8:133-46. [PMID: 10704051 PMCID: PMC1781794 DOI: 10.1080/09629359990469] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Allergic rhinitis is a condition which affects over 15% of the population in the United Kingdom. The pathological process involves two stages: nasal inflammation, and the development of nasal airway hyperresponsiveness (AHR) to allergen and a number of other stimuli. This results in the amplification of any subsequent allergic reaction, contributing to the chronic allergic state. A number of different hypotheses have been proposed to explain the underlying mechanism of AHR, including a role for eosinophil-derived proteins, free radicals and neuropeptides. While there may be a number of independent pathways which can result in AHR, evidence obtained from both animal models and in vivo experiments in humans indicate that some mediators may interact with one another, resulting in AHR. Further research into these interactions may open new avenues for the pharmacological treatment of chronic allergic rhinitis, and possibly other allergic airway diseases.
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Affiliation(s)
- P J Turner
- Department of Pharmacology, University College London, UK
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50
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Ogikubo O, Maeda T, Yamane T, Ohtsuka T, Ohkubo I, Takahashi S, Ohnishi S, Matsui N. Regulation of Zn-alpha2-glycoprotein-mediated cell adhesion by kininogens and their derivatives. Biochem Biophys Res Commun 1998; 252:257-62. [PMID: 9813179 DOI: 10.1006/bbrc.1998.9614] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
MC3T3-E1 (mouse osteoblast-like) cells adhered to a tissue culture plate coated with human Zn-alpha2-glycoprotein (Znalpha2gp). The adhesion of MC3T3-E1 cells to Znalpha2gp was inhibited by synthetic peptides such as RGDS and ELRGDV, and by antibody against vitronectin receptor. These findings suggested that the RGD region of Znalpha2gp interacts with the vitronectin receptor (alphavbeta3) on the MC3T3-E1 cell surface. Furthermore, we found that the common heavy chain of both HMW- and LMW-kininogens accelerated the Znalpha2gp-mediated MC3T3-E1 cell adhesion. Among the three domains of the common heavy chain of both kininogens, domain 3 promoted the cell adhesion by up to 200%. Among the nine synthetic peptides covering domain 3, the peptide, N334AEVYVVPWEKKIYPTVN351 accelerated in a dose-dependent manner the Znalpha2gp- and vitronectin (VN)-mediated MC3T3-E1 cell adhesion. These findings suggested that a defined region of domain 3 is responsible for the acceleration of cell adhesion.
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Affiliation(s)
- O Ogikubo
- Department of Orthopedics, Nagoya City University Medical School, Nagoya, Mizuho-ku, 467-8601, Japan
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