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Motta G, Tersariol ILS. Modulation of the Plasma Kallikrein-Kinin System Proteins Performed by Heparan Sulfate Proteoglycans. Front Physiol 2017; 8:481. [PMID: 28744223 PMCID: PMC5504176 DOI: 10.3389/fphys.2017.00481] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 06/22/2017] [Indexed: 12/14/2022] Open
Abstract
Human plasma kallikrein-kinin system proteins are related to inflammation through bradykinin. In the proximity of its target cells, high molecular weight kininogen (H-kininogen) is the substrate of plasma kallikrein, which releases bradykinin from H-kininogen. Heparan sulfate proteoglycans (HSPGs) play a critical role in either recruiting kinin precursors from the plasma, or in the assembly of kallikrein-kinin system components on the cell surface. Furthermore, HSPGs mediate the endocytosis and activation of H-kininogen and plasma prekallikrein. In the presence of HSPGs (Chinese hamster ovary cell, CHO-K1, wild type cells) both heparin and heparan sulfate strongly inhibit the H-kininogen interaction with the cell membrane. H-kininogen is internalized in endosomal acidic vesicles in CHO-K1 but not in CHO-745 cells (mutant cells deficient in glycosaminoglycan biosynthesis). The endocytosis process is lipid raft-mediated and is dependent on caveolae. Both types of CHO cells do not internalize bradykinin-free H-kininogen. At pH 7.35, bradykinin is released from H-kininogen on the surface of CHO-745 cells only by serine proteases; however, in CHO-K1 cells either serine or cysteine proteases are found to be involved. The CHO-K1 cell lysate contains different kininogenases. Plasma prekallikrein endocytosis in CHO-K1 cells is independent of H-kininogen, and also prekallikrein is not internalized by CHO-745 cells. Plasma prekallikrein cleavage/activation is independent of glycosaminoglycans but plasma kallikrein formation is more specific on H-kininogen assembled on the cell surface through glycosaminoglycans. In this mini-review, the importance of HSPGs in the regulation of plasma kallikrein-kinin system proteins is shown.
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Affiliation(s)
- Guacyara Motta
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São PauloSao Paulo, Brazil
| | - Ivarne L S Tersariol
- Departamento de Bioquímica, Escola Paulista de Medicina, Universidade Federal de São PauloSao Paulo, Brazil
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Wen HC, Chuu CP, Chen CY, Shiah SG, Kung HJ, King KL, Su LC, Chang SC, Chang CH. Elevation of soluble guanylate cyclase suppresses proliferation and survival of human breast cancer cells. PLoS One 2015; 10:e0125518. [PMID: 25928539 PMCID: PMC4416047 DOI: 10.1371/journal.pone.0125518] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2014] [Accepted: 03/24/2015] [Indexed: 01/22/2023] Open
Abstract
Nitric oxide (NO) is an essential signaling molecule in biological systems. Soluble guanylate cyclase (sGC), composing of α1 and β1 subunit, is the receptor for NO. Using radioimmunoassay, we discovered that activation of sGC by treatment with bradykinin or sodium nitroprusside (SNP) is impaired in MCF-7 and MDA-MB-231 breast cancer cells as compared to normal breast epithelial 184A1 cells. The 184A1 cells expressed both sGC α1 and sGCβ1 mRNAs. However, levels of sGCβ1 mRNAs were relatively lower in MCF-7 cells while both mRNA of sGC subunits were absent in MDA-MB-231 cells. Treatment with DNA methyltransferase inhibitor 5-aza-2’-deoxycytidine (5-aza-dC) increased mRNA levels of both sGCα1 and sGCβ1 in MDA-MB-231 cells but only sGCβ1 mRNAs in MCF-7 cells. The 5-aza-dC treatment increased the SNP-induced cGMP production in MCF-7 and MDA-MB-231, but not in 184A1 cells. Bisulfite sequencing revealed that the promoter of sGCα1 in MDA-MB-231 cells and promoter of sGCβ1 in MCF-7 cells were methylated. Promoter hypermethylation of sGCα1 and sGCβ1 was found in 1 out of 10 breast cancer patients. Over-expression of both sGC subunits in MDA-MB-231 cells induced apoptosis and growth inhibition in vitro as well as reduced tumor incidence and tumor growth rate of MDA-MB-231 xenografts in nude mice. Elevation of sGC reduced protein abundance of Bcl-2, Bcl-xL, Cdc2, Cdc25A, Cyclin B1, Cyclin D1, Cdk6, c-Myc, and Skp2 while increased protein expression of p53. Our study demonstrated that down-regulation of sGC, partially due to promoter methylation, provides growth and survival advantage in human breast cancer cells.
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Affiliation(s)
- Hui-Chin Wen
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli County, Taiwan
| | - Chih-Pin Chuu
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli County, Taiwan
| | - Chen-Yu Chen
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli County, Taiwan
| | - Shine-Gwo Shiah
- National Institute of Cancer Research, National Health Research Institutes, Miaoli County, Taiwan
| | - Hsing-Jien Kung
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli County, Taiwan
| | - Kuang-Liang King
- Division of General Surgery, Department of Surgery, Taipei Veterans General Hospital, Taipei City, Taiwan
| | - Liang-Chen Su
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli County, Taiwan
| | - Shi-Chuan Chang
- Chest Department, Taipei Veterans General Hospital, Taipei City, Taiwan
- Institute of Emergency and Critical Care Medicine, National Yang-Ming University, Taipei City, Taiwan
- * E-mail: (SCC); (CHC)
| | - Chung-Ho Chang
- Institute of Cellular and System Medicine, National Health Research Institutes, Miaoli County, Taiwan
- Graduate Institute of Basic Medical Science, Ph.D. Program of Aging, China Medical University, Taichung City, Taiwan
- * E-mail: (SCC); (CHC)
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Naffah-Mazzacoratti MDG, Gouveia TLF, Simões PSR, Perosa SR. What have we learned about the kallikrein-kinin and renin-angiotensin systems in neurological disorders? World J Biol Chem 2014; 5:130-140. [PMID: 24921004 PMCID: PMC4050108 DOI: 10.4331/wjbc.v5.i2.130] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 02/10/2014] [Accepted: 03/18/2014] [Indexed: 02/05/2023] Open
Abstract
The kallikrein-kinin system (KKS) is an intricate endogenous pathway involved in several physiological and pathological cascades in the brain. Due to the pathological effects of kinins in blood vessels and tissues, their formation and degradation are tightly controlled. Their components have been related to several central nervous system diseases such as stroke, Alzheimer’s disease, Parkinson’s disease, multiple sclerosis, epilepsy and others. Bradykinin and its receptors (B1R and B2R) may have a role in the pathophysiology of certain central nervous system diseases. It has been suggested that kinin B1R is up-regulated in pathological conditions and has a neurodegenerative pattern, while kinin B2R is constitutive and can act as a neuroprotective factor in many neurological conditions. The renin angiotensin system (RAS) is an important blood pressure regulator and controls both sodium and water intake. AngII is a potent vasoconstrictor molecule and angiotensin converting enzyme is the major enzyme responsible for its release. AngII acts mainly on the AT1 receptor, with involvement in several systemic and neurological disorders. Brain RAS has been associated with physiological pathways, but is also associated with brain disorders. This review describes topics relating to the involvement of both systems in several forms of brain dysfunction and indicates components of the KKS and RAS that have been used as targets in several pharmacological approaches.
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Meini S, Cucchi P, Catalani C, Bellucci F, Santicioli P, Giuliani S, Maggi CA. Radioligand binding characterization of the bradykinin B2 receptor in the rabbit and pig ileal smooth muscle. Eur J Pharmacol 2010; 635:34-9. [DOI: 10.1016/j.ejphar.2010.03.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2009] [Revised: 02/16/2010] [Accepted: 03/03/2010] [Indexed: 11/29/2022]
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Beard KM, Lu H, Ho K, Fantus IG. Bradykinin augments insulin-stimulated glucose transport in rat adipocytes via endothelial nitric oxide synthase-mediated inhibition of Jun NH2-terminal kinase. Diabetes 2006; 55:2678-87. [PMID: 17003331 DOI: 10.2337/db05-1538] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
An increase in bradykinin has been suggested to contribute to the enhanced insulin sensitivity observed in the presence of ACE inhibitors. To investigate a potential direct, nonvascular effect on an insulin target tissue, the effect of bradykinin on glucose uptake and insulin signaling was studied in primary rat adipocytes. Whereas basal glucose uptake was not altered, bradykinin augmented insulin-stimulated glucose uptake twofold, which was blocked by HOE-140, a bradykinin B2 receptor antagonist. The bradykinin effect on glucose uptake was nitric oxide (NO) dependent, mimicked by NO donors and absent in adipocytes from endothelial NO synthase-/- mice. Investigation of insulin signaling revealed that bradykinin enhanced insulin receptor substrate-1 (IRS-1) Tyr phosphorylation, Akt/protein kinase B phosphorylation, and GLUT4 translocation. In contrast, insulin-stimulated extracellular signal-regulated kinase1/2 and Jun NH2-terminal kinase (JNK) activation were decreased in the presence of bradykinin, accompanied by decreased IRS-1 Ser307 phosphorylation. Furthermore, bradykinin did not enhance insulin action in the presence of the JNK inhibitor, SP-600125, or in adipocytes from JNK1-/- mice. These data indicate that bradykinin enhances insulin sensitivity in adipocytes via an NO-dependent pathway that acts by modulating the feedback inhibition of insulin signaling at the level of IRS-1.
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Affiliation(s)
- Kristin M Beard
- Department of Medicine and Samuel Lunenfeld Research Institute, Mount Sinai Hospital, Toronto, ON, Canada M5G 1X6
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Helmy A, Ferguson JW, Hayes PC, Newby DE, Webb DJ. Bradykinin Does Not Contribute to Peripheral Vascular Tone in Patients With Cirrhosis and Ascites. J Cardiovasc Pharmacol 2006; 47:556-60. [PMID: 16680069 DOI: 10.1097/01.fjc.0000211727.23304.49] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Bradykinin is an endothelium-dependent vasodilator and inflammatory mediator. The aim of the present study was to examine the effects of bradykinin on peripheral vascular tone in patients with cirrhosis and ascites. Forearm blood flow was measured using venous occlusion plethysmography in 8 patients with biopsy-proven alcohol-induced cirrhosis, ascites, and portal hypertension, and 8 age- and sex-matched healthy controls. On 1 occasion, subjects received an intrabrachial infusion of the selective bradykinin antagonist B9340 (1.5-13.5 nmol/min) followed by a control vasoconstrictor norepinephrine (60-540 pmol/min), and on another occasion bradykinin (100-900 pmol/min) followed by the endothelium-independent vasodilator, sodium nitroprusside (SNP, 2-8 microg/min). Bradykinin and SNP caused a dose-dependent vasodilatation (P < 0.001 for both) that did not differ between the 2 groups. Although norepinephrine caused a similar dose-dependent vasoconstriction in both groups (P < 0.001), B9340 had no effect on forearm blood flow in either group (at 13.5 nmol/min in patients; -5%, 95% CI -13-3). Bradykinin does not provide a major contribution to the maintenance of peripheral vascular tone in patients with cirrhosis and ascites. Our findings also suggest that, in contrast to cardiovascular disease, patients with liver cirrhosis do not have marked endothelial dysfunction.
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Affiliation(s)
- Ahmed Helmy
- Department of Hepatology, University of Edinburgh, Royal Infirmary of Edinburgh, Edinburgh, UK
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Kam YL, Ro JY, Kim HJ, Choo HYP. Antagonistic effects of novel non-peptide chlorobenzhydryl piperazine compounds on contractile response to bradykinin in the guinea-pig ileum. Eur J Pharmacol 2005; 523:143-50. [PMID: 16226247 DOI: 10.1016/j.ejphar.2005.09.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2005] [Accepted: 09/08/2005] [Indexed: 11/18/2022]
Abstract
Two novel compounds, N-phenylacetyl-N'-(4-methoxybenzyl)-N''-1-(4-chlorobenzhydryl)piperazine iminodiacetic acid triamide (compound I) and N-phenylacetyl-N'-(4-methylbenzyl)-N''-1-(4-chlorobenzhydryl)piperazine iminodiacetic acid triamide (compound II), designed and synthesized as novel non-peptide bradykinin B2 receptor antagonists, were studied for their functional activities in isolated guinea-pig ileum smooth muscle. These compounds were compared with the conventional peptide bradykinin B2 receptor antagonist, icatibant (H-DArg-Arg-Pro-Hyp-Gly-Thi-Ser-dTic-Oic-Arg-OH) for their in vitro functional activities. Compounds I and II showed highly potent, time-dependent insurmountable antagonism against contractile responses to bradykinin (pKB 8.80 and 8.57, respectively) with progressive reduction of maximum effect maintaining the concentration producing half maximal-response unchanged. Otherwise, icatibant, known as a non-competitive antagonist, showed a rightward displacement of cumulative concentration-response curves to bradykinin with decrease of its maximum effect (pKB 8.73). The IC50 values of compounds I and II were 3.56 x 10(-8) and 6.30 x 10(-8) M, respectively, while that of icatibant was 5.02 x 10(-8) M. The profile of action of compounds I and II varied when contact time was prolonged from 5 to 60 min, whereas that of icatibant did not. The inhibitory effects of the newly synthesized compounds and icatibant on the contractile response to bradykinin were differently reverted by washout (icatibant < 100 min, compounds I and II > 100 min). This class of compounds containing the chlorobenzhydryl piperazine moiety is expected to be a novel non-peptide bradykinin B2 receptor antagonists.
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Affiliation(s)
- Yoo Lim Kam
- School of Pharmacy, Ewha Womans University, Seoul, 120-750, South Korea
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Dulinski R, Suder P, Guevara-Lora I, Rapała-Kozik M, Potempa J, Silberring J, Imamura T, Travis J, Kozik A. Attenuated kinin release from human neutrophil elastase-pretreated kininogens by tissue and plasma kallikreins. Biol Chem 2003; 384:929-37. [PMID: 12887060 DOI: 10.1515/bc.2003.104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Components of kinin-forming systems operating at inflammatory sites are likely to interact with elastase that is released by recruited neutrophils and may, at least temporarily, constitute the major proteolytic activity present at these sites. The aim of this work was to determine the effect of kininogen degradation by human neutrophil elastase (HNE) on kinin generation by tissue and plasma kallikreins. We show that the digestion of both low molecular mass (LK) and high molecular mass (HK) forms of human kininogen by HNE renders them essentially unsusceptible to processing by human urinary kallikrein (tissue-type) and also significantly quenches the kinin release from HK by plasma kallikrein. Studies with synthetic model heptadecapeptide substrates, ISLMKRPPGFSPFRSSR and SLMKRPPGFSPFRSSRI, confirmed the inability of tissue kallikrein to process peptides at either termini of the internal kinin sequence, while plasma kallikrein was shown to release the kinin C-terminus relatively easily. The HNE-generated fragments of kininogens were separated by HPLC and the fractions containing internal kinin sequences were identified by a kinin-specific immunoenzymatic test after trypsin digestion. These fractions were analyzed by electrospray-ionization mass spectrometry. In this way, multiple peptides containing the kinin sequence flanked by only a few amino acid residues at each terminus were identified in elastase digests of both LK and HK. These results suggest that elastase may be involved in quenching the kinin-release cascade at the late stages of the inflammatory reaction.
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Affiliation(s)
- Robert Dulinski
- Faculty of Biotechnology, Jagiellonian University, 30-387 Kraków, Poland
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Chen ZJ, Vetter M, Che D, Liu S, Tsai ML, Chang CH. The bradykinin/soluble guanylate cyclase signaling pathway is impaired in androgen-independent prostate cancer cells. Cancer Lett 2002; 177:181-7. [PMID: 11825665 DOI: 10.1016/s0304-3835(01)00788-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The activation of soluble guanylate cyclase by bradykinin and sodium nitroprusside (SNP), a direct activator of soluble guanylate cyclase, was evaluated in androgen-sensitive LNCaP and androgen-independent PC3 and DU145 prostate cancer cells. Bradykinin and SNP activated soluble guanylate cyclase in LNCaP cells, but not in PC3 and DU145 cells. Western blot analysis revealed that the bradykinin B2 receptor, Gqalpha, phospholipase Cgamma and endothelial nitric oxide synthase were expressed in LNCaP, PC3 and DU145 cells. However, both Western blotting and reverse transcriptase--polymerase chain reaction indicated that soluble guanylate cyclase was only expressed in LNCaP cells. These results demonstrate that the impaired bradykinin-soluble guanylate cyclase pathway in PC3 and DU145 cells is likely due to lack of expression of soluble guanylate cyclase.
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Affiliation(s)
- Zi Jiang Chen
- Departments of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
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Shahbazi F, Conlon JM, Holmgren S, Jensen J. Effects of cod bradykinin and its analogs on vascular and intestinal smooth muscle of the Atlantic cod, Gadus morhua. Peptides 2001; 22:1023-9. [PMID: 11445229 DOI: 10.1016/s0196-9781(01)00420-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The effects of [Arg(0),Trp(5),Leu(8)]-BK (cod [Arg(0)]BK) on vascular preparations from branches of the cod celiac artery and on longitudinal smooth muscle preparations from the cod intestine were investigated. Cod [Arg(0)]BK (3 x 10(-8) M) caused a relaxation of the celiac artery precontracted with adrenaline. The relaxation was abolished by the cyclooxygenase inhibitor indomethacin, suggesting that the effect is mediated through the release of prostaglandins, but there was no evidence for the involvement of leukotrienes or nitric oxide in the response. In the intestinal preparations, cod [Arg(0)]BK produced concentration-dependent contractions (pD(2) = 8.28 +/- 0.16). Experiments with N-terminally and C-terminally truncated analogs and with alanine-substituted analogs of cod [Arg(0)]BK demonstrate that the central amino acid Gly(4) and the C-terminal amino acids Leu(8) and Arg(9) are the most important in determining the conformation of the peptide that interacts with the receptor. The results indicate that the ligand binding properties of the cod BK receptor are considerably different from the receptor present in trout tissues and may resemble those of the mammalian B(2) receptor more closely.
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Affiliation(s)
- F Shahbazi
- Department of Zoophysiology, Göteborg University, Box 463, SE 405 30 Göteborg, Sweden
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Samadfam R, Teixeira C, Bkaily G, Sirois P, de Brum-Fernandes A, D'Orleans-Juste P. Contribution of B(2) receptors for bradykinin in arthus reaction-induced plasma extravasation in wild-type or B(2) transgenic knockout mice. Br J Pharmacol 2000; 129:1732-8. [PMID: 10780980 PMCID: PMC1571995 DOI: 10.1038/sj.bjp.0703225] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The aim of the present study was to investigate the contribution of bradykinin (BK) B(1) and B(2) receptors in a model of type III hypersensitivity, the reverse passive Arthus reaction (RPA), in wild-type mice and transgenic B(2) knockout littermates. BK (10 microg mouse(-1)) or bovine serum albumin (0.5 mg mouse(-1)) induced a sustained Evans blue extravasation for more than 80 min in naive or rabbit anti-bovine serum albumin-treated mice (RPA model), respectively. The response to the two stimuli was prevented by the B(2) receptor antagonist, HOE-140, but not by [Leu(8)]desArg(9)-BK (B(1) receptor antagonist). In contrast to the wild-type littermates, RPA and bradykinin were unable to trigger an increase in plasma extravasation in B(2) knockout mice. Furthermore, endothelin-1 (5 microg mouse(-1)) and a selective NK-1 receptor agonist [Sar(9),Met (O(2))(11)]-SP (20 microg mouse(-1)), triggered a significant increase in peritoneal plasma extravasation in both wild-type and B(2) knockout animals. A pretreatment with indomethacin (200 microg mouse(-1)) significantly reduced the RPA-induced but not the BK-induced increase in Evans blue extravasation. Furthermore, RPA, but not BK, triggered a significant indomethacin-sensitive increase in peritoneal prostaglandin E(2) content. Our results suggest a pivotal role for B(2) receptors in the mechanism of plasma extravasation which occurs during the reverse passive Arthus reaction in the mouse. Moreover, our results suggest an important contribution of prostanoids in the plasma leakage mechanisms triggered by RPA but not by bradykinin.
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Affiliation(s)
- R Samadfam
- Department of Pharmacology, Medical School, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, J1H 5N4, Canada
| | - C Teixeira
- Laboratorio de Farmacologia, Instituto Butantan, Av. Vital Brasil 1500, CEP 05503-900 Sao Paulo, Brasil
| | - G Bkaily
- Department of Anatomy and Cell Biology, Medical School, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, J1H 5N4, Canada
| | - P Sirois
- Department of Pharmacology, Medical School, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, J1H 5N4, Canada
- Author for correspondence:
| | - A de Brum-Fernandes
- Rheumatic Diseases Unit, Medical School, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, J1H 5N4, Canada
| | - P D'Orleans-Juste
- Department of Pharmacology, Medical School, Université de Sherbrooke, 3001 12th Avenue North, Sherbrooke, Québec, J1H 5N4, Canada
- Author for correspondence:
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Altamura M, Meini S, Quartara L, Maggi CA. Nonpeptide antagonists for kinin receptors. REGULATORY PEPTIDES 1999; 80:13-26. [PMID: 10235630 DOI: 10.1016/s0167-0115(99)00003-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Kinins are a family of small peptides acting as mediators of inflammation and pain in the peripheral and central nervous system. The two main 'kinins' in mammals are the nonapeptide bradykinin (BK, Arg1-Pro2-Pro3-Gly4-Phe5-Ser6-Pro7-Phe8-Arg9) and the decapeptide kallidin (KD, [Lys0]-BK, Lys1-Arg2-Pro3-Pro4-Gly5-Phe6-Ser7-Pro8-Phe9- Arg10). Their biological actions are mediated by two distinct receptors, termed B1 and B2. Kinin B and B2 receptor antagonists may be useful drugs endowed with analgesic and anti-inflammatory properties, with potential use in asthma, allergic rhinitis and other diseases. The first nonpeptide kinin B2 receptor antagonist, WIN 64338, was reported in 1993. Despite its low selectivity, the compound provided a reference for pharmacological and modeling studies. Several quinoline and imidazo[1,2-a]pyridine derivatives have been shown by Fujisawa to possess high affinity and selectivity for kinin B2 receptors. Among them, FR 173657 displayed excellent in vitro and in vivo antagonistic activity, while FR 190997 emerged as the first nonpeptide agonist for B2 receptor. Two structurally related Fournier compounds were recently published. Other kinin B2 receptor ligands were obtained by rational design, through library screening or from natural sources. The only example of a nonpeptide kinin B1 receptor ligand has been reported in a patent by Sanofi.
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Affiliation(s)
- M Altamura
- Menarini Ricerche S.p.A., Firenze, Italy.
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Persson K, Andersson RG. Biphasic response to bradykinin in isolated porcine iliac arteries is mediated by bradykinin B1 and B2 receptors. J Cardiovasc Pharmacol 1998; 31:306-13. [PMID: 9475274 DOI: 10.1097/00005344-199802000-00018] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Bradykinin-induced responses were studied in isolated porcine iliac arteries. Relaxation was endothelium dependent and seen at low concentrations (10(-10)-10(-8) M) of bradykinin. It was inhibited by the bradykinin B2-receptor antagonist icatibant (HOE-140) and by the nitric oxide synthase inhibitor Nomega-nitro-L-arginine. Bradykinin-induced relaxation was significantly potentiated by the kininase I carboxypeptidase inhibitor mergepta (10(-6) M). Bradykinin (>10(-7) M) elicited contraction of preparations with or without endothelium. The contraction was abolished by indomethacin but was not affected by the thromboxane A2/prostaglandin H2-receptor antagonist SQ 29,548. Icatibant and the bradykinin B1-receptor antagonist desArg9[Leu8]bradykinin significantly decreased bradykinin-induced contraction regardless of endothelial function. The contraction also was decreased by treatment with mergepta. The bradykinin B1-receptor agonist desArg9-bradykinin contracted endothelium-denuded arterial strips. This contraction was significantly decreased by desArg9[Leu8]bradykinin but not by icatibant. The desArg9-bradykinin-induced contraction also was inhibited by the protein-synthesis inhibitor cycloheximide. Neither bradykinin-induced relaxation nor contraction was affected by the ACE inhibitors enalaprilat or cilazaprilat. In conclusion, bradykinin-induced relaxation of isolated porcine iliac arteries was mediated by endothelial bradykinin B2 receptors and mainly nitric oxide. Bradykinin-induced contraction was endothelium independent, indomethacin sensitive, and probably mediated by bradykinin B1 (inducible) and B2 receptors located in the vascular smooth-muscle layer. Kininase I carboxypeptidase, and not ACE, is the main enzyme responsible for bradykinin degradation in these vessels.
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Affiliation(s)
- K Persson
- Department of Medicine and Care, Faculty of Health Sciences, Linköping, Sweden
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Bouchard JF, Chouinard J, Lamontagne D. Role of kinins in the endothelial protective effect of ischaemic preconditioning. Br J Pharmacol 1998; 123:413-20. [PMID: 9504381 PMCID: PMC1565180 DOI: 10.1038/sj.bjp.0701619] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
1. The aim of this study was to assess whether the protective effect of ischaemic preconditioning on endothelial function in coronary arteries of the rat involves kinins. 2. Isolated hearts of the rat were exposed to a 30-min low-flow ischaemia (flow rate of 1 ml min[-1]) followed by 20-min reperfusion, after which coronaries were precontracted with 0.1 microM U-46619, and the response to the endothelium-dependent vasodilator, 5-hydroxytryptamine (5-HT, 10 microM), compared to that of the endothelium-independent vasodilator, sodium nitroprusside (SNP, 3 microM). 3. In untreated hearts, ischaemia-reperfusion diminished selectively 5-HT-induced vasodilatation, compared with time-matched sham hearts. The vasodilatation to SNP was unaffected after ischaemia-reperfusion. Preconditioning (5 min of zero-flow ischaemia followed by 10 min reperfusion) in untreated hearts preserved the vasodilatation produced by 5-HT. 4. Blockade of B1 and B2 receptors with either 3 nM [Lys[0], Leu8, des-Arg9]-bradykinin (LLDBK) or 10 nM Hoe 140 (icatibant), respectively, (started 15 min before ischaemic preconditioning or a corresponding sham period and stopped just before the 20-min reperfusion period) had no effect on the vasodilatation produced by either 5-HT or SNP in sham hearts. Pretreatment with Hoe 140 did not block the protective effect of ischaemic preconditioning on the 5-HT vasodilatation. In contrast, LLDBK halved the protective effect of ischaemic preconditioning on endothelium-dependent vasodilatation. 5. Perfusion with either bradykinin or des-Arg9-bradykinin (1 nM) 30 min before and lasting throughout the ischaemia protected the endothelium. 6. In conclusion, ischaemic preconditioning affords protection to the endothelial function in coronary resistance arteries of the rat partly by activation of B1 receptors. Although exogenous BK perfusion can protect the endothelium, B2 receptors do not play an important role in this protection in the rat isolated heart.
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Affiliation(s)
- J F Bouchard
- Faculty of Pharmacy, Université de Montréal, Québec, Canada
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Ferris HA, Carroll RE, Rasenick MM, Benya RV. Constitutive activation of the gastrin-releasing peptide receptor expressed by the nonmalignant human colon epithelial cell line NCM460. J Clin Invest 1997; 100:2530-7. [PMID: 9366567 PMCID: PMC508453 DOI: 10.1172/jci119795] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Gastrin-releasing peptide (GRP) causes multiple effects in humans by activating a specific heptaspanning receptor. Within the gastrointestinal tract, GRP receptors (GRP-R) are not normally expressed by mucosal epithelial cells except for those lining the gastric antrum. In contrast, recent studies have shown that up to 40% of resected colon cancers aberrantly express this receptor. This is important because the GRP-R can cause the proliferation of many, but not all, tissues in which it is expressed. Since GRP and other agonists are not known to exist in the colonic lumen, it has not been clear how or even if GRP-R expression in colon cancer contributes to cell proliferation. To evaluate the functional consequence of GRP-R expression on colonic epithelium, we transfected the recently isolated nonmalignant human colon epithelial cell line NCM460 with the cDNA for this receptor. All NCM460 cell lines expressing varying numbers of GRP-R bound selected agonists and antagonists indistinguishably from receptors expressed by other human tissues. Furthermore GRP-R-expressing transfected cell lines, but not wild-type NCM460 cells, proliferated independently of serum or other growth factors. Further evaluation revealed that GRP-R in these cells tonically stimulated G alpha q/11, resulting in increased phospholipase C activation. Since transfected cells do not secrete GRP, nor is their growth influenced by exposure to receptor-specific antagonists, these data indicate that GRP-R ectopically expressed by NCM460 cells are constitutively active. This report provides the first evidence of mutation-independent heptaspanning receptor constitutive activation resulting in cell proliferation, and identifies a potential mechanism whereby the GRP-R may act as an oncogene in human colon cancer.
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Affiliation(s)
- H A Ferris
- Department of Medicine, University of Illinois at Chicago, Illinois 60612, USA
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Lindström EG, Andersson RG. Neurokinin A-LI release after antigen challenge in guinea-pig bronchial tubes: influence of histamine and bradykinin. Br J Pharmacol 1997; 122:417-22. [PMID: 9351496 PMCID: PMC1564948 DOI: 10.1038/sj.bjp.0701382] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
1. Our aim was to determine if antigen challenge stimulates sensory nerves and provokes the release of tachykinins. The involvement of histamine and bradykinin was studied by using specific receptor antagonists. Capsaicin-induced responses were also examined. Experiments were performed in vitro on tracheal and bronchial preparations from ovalbumin-sensitized guinea-pigs. 2. Characterization of ovalbumin-induced contraction, with regard to histamine and bradykinin, was carried out on airway ring preparations in the presence of phosphoramidon. The histamine H1 receptor antagonist pyrilamine reduced allergen-induced bronchial contractions by about 30%, whereas the bradykinin B2 receptor antagonist icatibant (Hoe 140) did not significantly affect the response. Combined treatment with pyrilamine (1 microM) and icatibant (0.1 microM) reduced the contractions by about 80%, indicating a synergistic inhibitory action. Tracheal preparations were not significantly affected by treatments, neither were capsaicin-induced contractions. 3. To study the outflow of tachykinins, we used a perfused bronchial-tube preparation, allowing simultaneous measurement of smooth muscle tension and mediator release. Neurokinin A-like immunoreactivity (NKA-LI) and substance P-like immunoreactivity (SP-LI) were determined by radioimmunoassay. 4. The results of the perfusion study showed an increased outflow of NKA-LI into the perfusate in response to ovalbumin (127% of basal) challenge. SP-LI determined in some of the samples showed a much lower amount (40 to 70 times lower) of SP-LI than NKA-LI. Treatment with icatibant and pyrilamine, separately and in combination, significantly reduced the ovalbumin-induced NKA-LI outflow by 38%, 26% and 22%, respectively. 5. Capsaicin-induced outflow (124% of basal) was not significantly affected by treatments (icatibant 121%, pyrilamine 107% and combined treatment 111% of basal). However, when pyrilamine was present the increased outflow was not statistically significant. 6. In conclusion, we found that allergen provocation of guinea-pig bronchi caused an increased outflow of NKA-LI that was reduced by treatment with both pyrilamine and icatibant. These findings demonstrate that the allergen-induced release of histamine and bradykinin stimulate sensory nerves and thereby increase outflow of tachykinins that contribute to the allergic reaction.
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Affiliation(s)
- E G Lindström
- Department of Medicine and Care, Faculty of Health Sciences, University of Linköping, Sweden
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