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Yang J, van 't Veer C, Roelofs JJTH, van Heijst JWJ, de Vos AF, McCrae KR, Revenko AS, Crosby J, van der Poll T. Kininogen deficiency or depletion reduces enhanced pause independent of pulmonary inflammation in a house dust mite-induced murine asthma model. Am J Physiol Lung Cell Mol Physiol 2018; 316:L187-L196. [PMID: 30358441 DOI: 10.1152/ajplung.00162.2018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
High-molecular-weight kininogen is an important substrate of the kallikrein-kinin system. Activation of this system has been associated with aggravation of hallmark features in asthma. We aimed to determine the role of kininogen in enhanced pause (Penh) measurements and lung inflammation in a house dust mite (HDM)-induced murine asthma model. Normal wild-type mice and mice with a genetic deficiency of kininogen were subjected to repeated HDM exposure (sensitization on days 0, 1, and 2; challenge on days 14, 15, 18, and 19) via the airways to induce allergic lung inflammation. Alternatively, kininogen was depleted after HDM sensitization by twice-weekly injections of a specific antisense oligonucleotide (kininogen ASO) starting at day 3. In kininogen-deficient mice HDM induced in Penh was completely prevented. Remarkably, kininogen deficiency did not modify HDM-induced eosinophil/neutrophil influx, T helper 2 responses, mucus production, or lung pathology. kininogen ASO treatment started after HDM sensitization reduced plasma kininogen levels by 75% and reproduced the phenotype of kininogen deficiency: kininogen ASO administration prevented the HDM-induced increase in Penh without influencing leukocyte influx, Th2 responses, mucus production, or lung pathology. This study suggests that kininogen could contribute to HDM-induced rise in Penh independently of allergic lung inflammation. Further research is warranted to confirm these data using invasive measurements of airway responsiveness.
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Affiliation(s)
- Jack Yang
- Center of Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | - Cornelis van 't Veer
- Center of Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | - Joris J T H Roelofs
- Department of Pathology, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | - Jeroen W J van Heijst
- Department of Experimental Immunology, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | - Alex F de Vos
- Center of Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
| | - Keith R McCrae
- Departments of Hematology-Oncology and Cellular and Molecular Medicine, Cleveland Clinic , Cleveland, Ohio
| | - Alexey S Revenko
- Drug Discovery and Corporate Development, Ionis Pharmaceuticals, Incorporated, Carlsbad, California
| | - Jeff Crosby
- Drug Discovery and Corporate Development, Ionis Pharmaceuticals, Incorporated, Carlsbad, California
| | - Tom van der Poll
- Center of Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands.,Division of Infectious Diseases, Academic Medical Center, University of Amsterdam , Amsterdam , The Netherlands
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Gibson C, Schnatbaum K, Pfeifer JR, Locardi E, Paschke M, Reimer U, Richter U, Scharn D, Faussner A, Tradler T. Novel small molecule bradykinin B2 receptor antagonists. J Med Chem 2009; 52:4370-9. [PMID: 19552431 DOI: 10.1021/jm9002445] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Blockade of the bradykinin B(2) receptor provides therapeutic benefit in hereditary angioedema (HAE) and potentially in many other diseases. Herein, we describe the development of highly potent B(2) receptor antagonists with a molecular weight of approximately 500 g/mol. First, known quinoline-based B(2) receptor antagonists were stripped down to their shared core motif 53, which turned out to be the minimum pharmacophore. Targeted modifications of 53 resulted in the highly water-soluble lead compound 8a. Extensive exploration of its structure-activity relationship resulted in a series of highly potent B(2) receptor antagonists, featuring a hydrogen bond accepting functionality, which presumably interacts with the side chain of Asn-107 of the B(2) receptor. Optimization of the microsomal stability and cytochrome P450 inhibition eventually led to the discovery of the highly potent and orally available B(2) receptor antagonist 52e (JSM10292), which showed the best overall properties.
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Affiliation(s)
- Christoph Gibson
- Department of Medicinal Chemistry, Jerini AG, Berlin D-10115, Germany.
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Kamijo Y, Hayashi I, Ide A, Yoshimura K, Soma K, Majima M. Effects of inhaled monoethanolamine on bronchoconstriction. J Appl Toxicol 2009; 29:15-9. [PMID: 18651722 DOI: 10.1002/jat.1373] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We previously reported a 65-year-old man who aspirated an alkaline detergent containing 3.3% w/v (weight of solute per volume of solution) monoethanolamine (MEA) into his lungs, causing asthma-like symptoms. We presently describe the mechanism of MEA-induced bronchoconstriction according to findings in guinea pigs. In anesthetized, artificially ventilated animals, changes in airway opening pressure (P(ao)) were measured as an index of bronchoconstriction. An aerosol of 3.3% MEA solution (0.1 ml kg(-1)) inhaled through a tracheal cannula induced significantly stronger bronchoconstriction than an aerosol of potassium hydroxide (KOH) solution (0.1 ml kg(-1)) at the same pH. MEA-induced bronchoconstriction was significantly suppressed by premedication with intravenously injected atropine sulfate (3 mg kg(-1)), a muscarinic receptor antagonist, or diphenhydramine hydrochloride (10 mg kg(-1)), a histamine-H(1) receptor antagonist. MEA-induced bronchoconstriction was not enhanced by premedication with an intravenous injection of neostigmine (0.1 mg kg(-1)), an acetylcholinesterase inhibitor. When bronchoconstriction was induced by MEA, histamine concentrations in bronchoalveolar lavage fluid (BALF) were not significantly greater than in BALF after KOH-induced bronchoconstriction or in BALF after inhalation of physiologic saline. In vitro, contraction of trachea denuded of epithelium during superfusion with MEA (10 mm) was suppressed by premedication with pyrilamine maleate, a histamine-H(1) receptor antagonist, at 10 and 100 microm. Contraction of trachea denuded of epithelium during superfusion with MEA (10 mm) was suppressed by premedication with atropine sulfate at 10 and 100 microm. These results suggest that asthma-like symptoms may result partly from agonistic MEA effects at histamine-H(1) receptors and muscarinic receptors.
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Affiliation(s)
- Y Kamijo
- Department of Emergency and Critical Care Medicine, Kitasato University School of Medicine, 1-15-1 Kitasato, Sagamihara, Kanagawa 228-8555, Japan.
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Valenti C, Cialdai C, Giuliani S, Tramontana M, Quartara L, Maggi CA. MEN16132, a kinin B2 receptor antagonist, prevents the endogenous bradykinin effects in guinea-pig airways. Eur J Pharmacol 2007; 579:350-6. [PMID: 18036587 DOI: 10.1016/j.ejphar.2007.10.025] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2007] [Revised: 10/12/2007] [Accepted: 10/18/2007] [Indexed: 10/22/2022]
Abstract
Kinins have been suggested to be involved in human airway diseases such as asthma and rhinitis. MEN16132 is a non-peptide kinin B(2) receptor antagonist able to inhibit the responses produced by intravenous bradykinin into the airways, as bronchoconstriction and microvascular leakage; we tested the effect of MEN16132 on endogenously generated bradykinin through the dextran sulfate-induced contact activation of kinin-kallikrein cascade in guinea-pigs. After dextran sulfate administration (1.5 mg/kg i.v.), the pulmonary insufflation pressure was monitored and the microvascular leakage of upper and lower airways was assessed using Evans blue as tracer of plasma protein extravasation. Our results demonstrated that topical MEN16132 strongly inhibited the dextran sulfate-induced bronchoconstriction (0.3 mM solution aerosol for 5 min) and plasma protein extravasation in both lower airways (3-10 microM solution aerosol for 5 min) and nasal mucosa (0.3 nmol/nostril); Icatibant, the peptide antagonist of kinin B(2) receptor, exerted a 3-30-fold less potent inhibitory effect than MEN16132. We conclude that local application of MEN16132 into the airways abolishes the responses produced by the endogenous generation of bradykinin and it can be useful as new pharmacological tool to check the role of kinins in human diseases.
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Affiliation(s)
- Claudio Valenti
- Pharmacology Department, Menarini Ricerche S.pA.,Via Rismondo 12A, 50131 Florence, Italy
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Liu B, Freyer AM, Hall IP. Bradykinin activates calcium-dependent potassium channels in cultured human airway smooth muscle cells. Am J Physiol Lung Cell Mol Physiol 2006; 292:L898-907. [PMID: 17158598 DOI: 10.1152/ajplung.00461.2005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Bradykinin (BK) is an inflammatory mediator that can cause bronchoconstriction. In this study, we investigated the membrane currents induced by BK in cultured human airway smooth muscle (ASM) cells. Depolarization of the cells induced outward currents, which were inhibited by tetraethylammonium (TEA) in a concentration-dependent manner with an IC50 of 0.33 microM. The currents were increased by elevating intracellular free Ca2+ concentration, suggesting they are calcium-activated potassium channels [I(K(Ca))]. Preexposure to inhibitor of I(K(Ca)) of large conductance (BKCa), iberiotoxin, and small conductance (SKCa), apamin, inhibited the increase of outward current induced by BK. The relative contribution of BKCa was greatest in early passage cells. Both nickel and SKF-96365 (10 microM) inhibited the increase of the I(K(Ca)) induced by BK; however, the l-type Ca2+ channel blocker, nifedipine, had no effect. Activation of the BK-induced current was inhibited by heparin, indicating dependence on intact inositol 1,4,5-triphosphate (IP3)-sensitive intracellular Ca2+ stores. BK also increased inositol phosphate accumulation and induced a transient Ca2+-activated chloride current (CACC) and a sustained nonselective cation current (I(CAT)). In summary, BK activates BKCa, SKCa, CACC, and I(CAT) via IP3-sensitive stores in human ASM.
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Affiliation(s)
- Bo Liu
- Division of Therapeutics and Molecular Medicine, University Hospital of Nottingham, Nottingham NG7 2UH, UK
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Abraham WM, Scuri M, Farmer SG. Peptide and non-peptide bradykinin receptor antagonists: role in allergic airway disease. Eur J Pharmacol 2006; 533:215-21. [PMID: 16455073 DOI: 10.1016/j.ejphar.2005.12.071] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2005] [Indexed: 11/22/2022]
Abstract
Kinins are proinflammatory peptides that mediate a variety of pathophysiological responses. These actions occur through stimulation of two pharmacologically distinct receptor subtypes B1 and B2. In both human and animal airways, the majority of kinin-induced effects including bronchoconstriction, increases in vascular permeability and mucus secretion and cholinergic and sensory nerve stimulation appear to be bradykinin B2-receptor mediated. Peptidic and non-peptidic receptor antagonists have been developed as potential therapeutic agents. These antagonists are effective in blocking kinin-induced effects in a variety of animal models and in some instances, have been used effectively in animal models of allergic airway disease to alleviate allergen-induced pathophysiological airway responses. This review summarizes relevant studies supporting the evidence that bradykinin B2 receptor antagonism and/or upstream inhibition of tissue kallikrein will be beneficial in the treatment of inflammatory airway diseases.
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Affiliation(s)
- William M Abraham
- Miller School of Medicine, University of Miami at Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, Florida 33140, USA.
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Nabe T, Yamauchi K, Shinjo Y, Niwa T, Imoto K, Koda A, Kohno S. Delayed-type asthmatic response induced by repeated intratracheal exposure to toluene-2,4-diisocyanate in guinea pigs. Int Arch Allergy Immunol 2005; 137:115-24. [PMID: 15855793 DOI: 10.1159/000085466] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2004] [Accepted: 01/18/2005] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND A toluene-2,4-diisocyanate (TDI)-induced asthma model, in which delayed-type hypersensitivity-like asthmatic airway obstruction is elicited restrictively in the lung, has never been developed. METHODS Guinea pigs were percutaneously sensitized with TDI. For the challenges, once every 2 weeks for a total of 5 times, TDI mists were delivered directly to the lung through an oral cannula, with its tip being positioned in the opening of the trachea. Time-course changes in specific airway resistance (sRaw) were measured by double-flow plethysmography. Basic mechanisms underlying TDI-induced asthma were analyzed. RESULTS After the 2nd-5th challenges, induction of both an early increase in sRaw that peaked at 10 min and a delayed-type sRaw elevation that peaked at 22 h were observed. Interestingly, in the sensitized/challenged animals, baseline sRaw was elevated by repeated challenge as compared to that seen for non-sensitized animals. Intratracheal administration of a bronchodilator, salbutamol, strongly suppressed the early asthmatic response (EAR) but not the delayed-type asthmatic response (DAR). During DAR, both albumin leakage and fucose secretion into the bronchoalveolar lavage fluid were increased. The cysteinyl leukotriene antagonist pranlukast failed to inhibit either EAR or DAR while the corticosteroid dexamethasone significantly suppressed DAR, without significantly affecting EAR. CONCLUSIONS Effective delivery of TDI to the lung may induce reproducible DAR in sensitized guinea pigs with chronicity that is reflected by an increase in the sRaw baseline. DAR is not mediated by constriction of airway smooth muscles and is probably due to the concurrent presence of mucosal edema and mucus hypersecretion in the airways.
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Affiliation(s)
- Takeshi Nabe
- Department of Pharmacology, Kyoto Pharmaceutical University, Kyoto, Japan
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Srinivasan D, Kosaka AH, Daniels DV, Ford APDW, Bhattacharya A. Pharmacological and functional characterization of bradykinin B2 receptor in human prostate. Eur J Pharmacol 2004; 504:155-67. [PMID: 15541417 DOI: 10.1016/j.ejphar.2004.10.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2004] [Accepted: 10/04/2004] [Indexed: 11/18/2022]
Abstract
The objective of this study was to pharmacologically characterize bradykinin receptors, a component of the kallikrein-kinin system, in normal human prostate cells. In primary cultured human prostate stromal cells, bradykinin, but not [des-Arg9]bradykinin or [des-Arg10]kallidin, produced calcium mobilization or inositol phosphates accumulation with potencies (pEC50) of 8.8+/-0.2 and 8.2+/-0.2, respectively. This was consistent with abundance of bradykinin B2 mRNA over bradykinin B1 mRNA in prostate stromal cells. Although the prostate epithelial cells (prostate epithelium, BPH-1, and PC-3) expressed mRNA for bradykinin B2 receptors (albeit in lesser amounts than stromal cells), bradykinin was not functionally efficacious in the epithelial cells. Increasing concentrations of D-arginyl-L-arginyl-L-prolyl-trans-4-hydroxy-L-prolylglycyl-3-(2-thienyl)-L-alanyl-L-seryl-D-1,2,3,4-tetrahhydro-3-isoquinolinecarbonyl-L-(2alpha,3beta,7alphabeta)-octahydro-1H-indole-2-carbonyl-L-arginine (HOE-140), a bradykinin B2-selective peptide antagonist, attenuated bradykinin concentration-response curves in human prostate stromal cells with apparent estimate of affinity similar to that for the human bradykinin B2 receptor. Bradykinin (10 nM) caused proliferation of prostate stromal cells and phosphorylated extracellular signal-regulated kinases (ERK-1 and ERK-2) that were blocked by HOE-140 (1 microM). This study demonstrated that, in primary cultures of normal human prostate stromal cells, bradykinin activates bradykinin B2 receptors that may play a significant role in proliferation via activation of ERK-1/2 pathways.
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Affiliation(s)
- Dinesh Srinivasan
- Roche Pharmaceuticals, 3431 Hillview Avenue, Palo Alto, CA 94304, USA
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Nan YS, Feng GG, Hotta Y, Nishiwaki K, Shimada Y, Ishikawa A, Kurimoto N, Shigei T, Ishikawa N. Neuropeptide Y enhances permeability across a rat aortic endothelial cell monolayer. Am J Physiol Heart Circ Physiol 2003; 286:H1027-33. [PMID: 14576078 DOI: 10.1152/ajpheart.00630.2003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Previously, in vivo studies showed that neuropeptide Y (NPY) elevates vascular permeability in isolated lung perfusion preparations, possibly through binding to the NPY Y(3) receptor. The present study used monolayers in a double-chamber culture method under conditions of normoxia (5% CO(2)-20% O(2)-75% N(2)) or hypoxia (5% CO(2)-5% O(2)-90% N(2)) to test the hypothesis that NPY directly affects rat aortic endothelial cells (RAECs). RAECs were cultured on the base of the upper chamber, into which FITC-labeled albumin was introduced, and permeation into the lower chamber was measured. The RAEC monolayer was treated with 10(-8)-3 x 10(-7) M NPY for 2 h in normoxia or hypoxia. In hypoxia, NPY concentration dependently increased the permeability of the RAEC monolayer, whereas in normoxia no significant change was observed. Peptide YY, NPY Y(1), and NPY Y(2) receptor agonists and NPY Y(1) receptor antagonist exerted no significant effects under hypoxic conditions. NPY-(18-36), an NPY Y(3) receptor antagonist, elicited an inhibitory action on the NPY-induced increase in monolayer permeability. Furthermore, neither N-monomethyl-l-arginine, a nitric oxide synthase inhibitor, the bradykinin B(2) receptor antagonist FK-3657, nor the vascular endothelial growth factor receptor-coupled tyrosine kinase inhibitor tyrphostin SU-1498, injected into the medium of the upper chamber, affected the NPY-induced permeability changes under hypoxic conditions. The results suggest that the NPY-induced increase in permeability across the RAEC monolayer is closely related to low O(2) tension, possibly mediated by direct action on the NPY Y(3) receptor expressed on the endothelial cell membrane. Furthermore, this NPY-induced increase is not likely due to nitric oxide, bradykinin, or vascular endothelial growth factor.
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Affiliation(s)
- Yong-Shan Nan
- Dept. of Pharmacology, Aichi Medical Univ., School of Medicine, Nagakute, Aichi 480-1195, Japan.
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