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Costa PPC, Waller SB, dos Santos GR, Gondim FDL, Serra DS, Cavalcante FSÁ, Gouveia Júnior FS, de Paula Júnior VF, Sousa EHS, Lopes LGDF, Ribeiro WLC, Monteiro HSA. Anti-asthmatic effect of nitric oxide metallo-donor FOR811A [cis-[Ru(bpy)2(2-MIM)(NO)](PF6)3] in the respiratory mechanics of Swiss mice. PLoS One 2021; 16:e0248394. [PMID: 33711054 PMCID: PMC7954307 DOI: 10.1371/journal.pone.0248394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 02/25/2021] [Indexed: 12/22/2022] Open
Abstract
We aimed at evaluating the anti-asthmatic effect of cis-[Ru(bpy)2(2-MIM)(NO)](PF6)3 (FOR811A), a nitrosyl-ruthenium compound, in a murine model of allergic asthma. The anti-asthmatic effects were analyzed by measuring the mechanical lung and morphometrical parameters in female Swiss mice allocated in the following groups: untreated control (Ctl+Sal) and control treated with FOR811A (Ctl+FOR), along asthmatic groups untreated (Ast+Sal) and treated with FOR811A (Ast+FOR). The drug-protein interaction was evaluated by in-silico assay using molecular docking. The results showed that the use of FOR811A in experimental asthma (Ast+FOR) decreased the pressure-volume curve, hysteresis, tissue elastance, tissue resistance, and airway resistance, similar to the control groups (Ctl+Sal; Ctl+FOR). However, it differed from the untreated asthmatic group (Ast+Sal, p<0.05), indicating that FOR811A corrected the lung parenchyma and relaxed the smooth muscles of the bronchi. Similar to control groups (Ctl+Sal; Ctl+FOR), FOR811A increased the inspiratory capacity and static compliance in asthmatic animals (Ast+Sal, p<0.05), showing that this metallodrug improved the capacity of inspiration during asthma. The morphometric parameters showed that FOR811A decreased the alveolar collapse and kept the bronchoconstriction during asthma. Beyond that, the molecular docking using FOR811A showed a strong interaction in the distal portion of the heme group of the soluble guanylate cyclase, particularly with cysteine residue (Cys141). In summary, FOR811A relaxed bronchial smooth muscles and improved respiratory mechanics during asthma, providing a protective effect and promising use for the development of an anti-asthmatic drug.
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Affiliation(s)
- Paula Priscila Correia Costa
- Department of Veterinary Clinics, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Stefanie Bressan Waller
- Department of Veterinary Clinics, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Gilvan Ribeiro dos Santos
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Fladimir de Lima Gondim
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Daniel Silveira Serra
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Francisco Sales Ávila Cavalcante
- Laboratory of Biophysics of Respiration, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Florêncio Sousa Gouveia Júnior
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Valdir Ferreira de Paula Júnior
- Laboratory of Biotechnology and Molecular Biology, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, CE, Brazil
| | - Eduardo Henrique Silva Sousa
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Luiz Gonzaga de França Lopes
- Laboratory of Bioinorganic, Department of Organic and Inorganic Chemistry, Federal University of Ceará, Fortaleza, CE, Brazil
| | - Wesley Lyeverton Correia Ribeiro
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
- * E-mail: (PPCC); (SBW); (WLCR)
| | - Helena Serra Azul Monteiro
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil
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Castro PFDS, de Andrade DL, Reis CDF, Costa SHN, Batista AC, da Silva RS, Rocha ML. Relaxing effect of a new ruthenium complex nitric oxide donor on airway smooth muscle of an experimental model of asthma in rats. Clin Exp Pharmacol Physiol 2016; 43:221-9. [PMID: 26662887 DOI: 10.1111/1440-1681.12523] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 12/03/2015] [Accepted: 12/04/2015] [Indexed: 11/29/2022]
Abstract
NO is a potent bronchodilator and NO-donor compounds have demonstrated clinical significance for obstructive airway diseases. This study evaluated the relaxation mechanisms of two NO donors, a ruthenium compound (TERPY), and sodium nitroprusside (SNP), in rat tracheas with ovalbumin-induced asthma (OVA group) and in another control group. The effect of TERPY and SNP was evaluated in tracheal rings in an isolated organ chamber. The contribution of K(+) channels, sGC/cGMP pathway, phosphodiesterases, and extra and intracellular Ca(2+) sources were analyzed. The TERPY and SNP-induced tracheal smooth muscle relaxation in both groups. However, the maximum effect induced by TERPY was higher than that of SNP in both control (110.2 ± 3.2% vs 68.3 ± 3.1%, P < 0.001) and OVA groups (106.1 ± 1.5% vs 49.9 ± 2.7%, P < 0.001). In the control group, TERPY relaxation was induced by the activation of K(+) channels and reduction of the calcium influx, while in the OVA group, these same effects were also brought about by TERPY, but with participation of the sGC/cGMP pathway. In both groups, SNP-induced relaxation occurred through the activation of K(+) channels, sGC/cGMP pathway and reduction of calcium influx. However, the activation of sGC pathway and reticular Ca(2+) -ATPase seemed to be reduced in the OVA group. Furthermore, TERPY is capable of reversing the contraction of carbachol in asthmatic bronchioles. Finally, TERPY and SNP relaxation mechanisms were modified by asthma. SNP presented less relaxation than TERPY, which induced full relaxation with greater participation of K(+) and Ca(2+) fluxes through the membrane, thereby making TERPY a promising drug for reversing the narrowing of airways.
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Oishi JC, Buzinnari TC, Pestana CR, De Moraes TF, Vatanabe IP, Wink DA, da Silva RS, Bendhack LM, Rodrigues GJ. In vitro Treatment with cis-[Ru(H-dcbpy-)2(Cl)(NO)] Improves the Endothelial Function in Aortic Rings with Endothelial Dysfunction. JOURNAL OF PHARMACY AND PHARMACEUTICAL SCIENCES 2016; 18:696-704. [PMID: 26670366 DOI: 10.18433/j3cc9k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
PURPOSE The ruthenium complex cis-[Ru(H-dcbpy-)2(Cl)(NO)] (DCBPY) is a nitric oxide (NO) donor and studies suggested that the ruthenium compounds can inactivate O2-. The aim of this study is to test if DCBPY can revert and/or prevent the endothelial dysfunction. METHODS Normotensive (2K) and hypertensive (2K-1C) wistar rats were used. To vascular reactivity study, thoracic aortas were isolated, rings with intact endothelium were incubated with: DCBPY: 0.1; 1 and 10μM, DCBPY plus hydroxocobalin (NO scavenger) or tempol during 30 minutes, and concentration effect curves to acetylcholine were performed. The potency values (pD2) and maximum effect (ME) were analyzed. The O2- was generated using hypoxantine xantine oxidase and the reduction of cytochrome c, NO consumption by O2- and the effect in avoid NO consumption was measured. RESULTS In 2K-1C DCBPY at 0.1; 1 or 10μM improved the relaxation endothelium dependent induced by acetylcholine in aortic rings compared to control 2K-1C, and also improved ME. In rings from 2K incubation with DCBPY (0.1; 1.0 and 10 μM) did not change pD2 or ME. Incubation with 0.1 μM of DCBPY plus hydroxocobalamin did not modify the potency and ME in 2K-1C compared to DCBPY (0.1 μM). DCBPY and SOD inhibits the reduction of cytochrome c and inhibited the NO consumption by O2-, showing that O2- has been removed from the solution. CONCLUSION Our results suggest that DCBPY at a lower concentration (0.1 µM) is not an NO generator, but can inactivate superoxide and improves the endothelial function.
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Affiliation(s)
- Jorge Camargo Oishi
- Departamento de Ciências Fisiológicas, Universidade Federal de São Carlos, Brazil
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Zhao Y, Yang F, Wang J, Yu P, Pan H, Wang H, Wang J. Structural dynamics of nitrosylruthenium isomeric complexes studied with steady-state and transient pump-probe infrared spectroscopies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2016; 166:62-67. [PMID: 27209490 DOI: 10.1016/j.saa.2016.04.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 04/25/2016] [Accepted: 04/27/2016] [Indexed: 06/05/2023]
Abstract
The characteristic nitrosyl stretching (NO) in the region of 1800-1900cm(-1) was used to study the geometric and ligand effect on two nitrosylruthenium complexes, namely [Ru(OAc)(2QN)2NO] (QN=2-chloro-8-quinolinol (H2cqn) or QN=2-methyl-8-quinolinol (H2mqn)). The NO stretching frequency (νNO) was found in the following order: νcis-1 (2cqn)>νcis-2 (2cqn)>νcis-1 (2mqn)>νtrans (2mqn). The results exhibited a spectral sensitivity of the NO mode to both charge distribution and ligand arrangement, which was supported by ab initio computations and natural bond orbital (NBO) analyses. Further, the vibrational population of the vibrationally excited NO stretching mode was found to relax on the order of 7-10ps, showing less than 30% variation from one isomer to another, which were explained on the basis of NO local structures and solute-solvent interactions in these isomeric nitrosylruthenium complexes.
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Affiliation(s)
- Yan Zhao
- College of Physics & Electronics Engineering, Shanxi University, Taiyuan 030006, China; Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Fan Yang
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jianru Wang
- Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China
| | - Pengyun Yu
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Huifen Pan
- Key Laboratory of Energy Conversion and Storage Materials of Shanxi Provence, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
| | - Hongfei Wang
- Key Laboratory of Energy Conversion and Storage Materials of Shanxi Provence, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China.
| | - Jianping Wang
- Molecular Reaction Dynamics Laboratory, Beijing National Laboratory for Molecular Sciences, Beijing 100190, China; Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
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Santos MEP, Moura LHP, Mendes MB, Arcanjo DDR, Monção NBN, Araújo BQ, Lopes JAD, Silva-Filho JC, Fernandes RM, Oliveira RCM, Citó AMGL, Oliveira AP. Hypotensive and vasorelaxant effects induced by the ethanolic extract of the Mimosa caesalpiniifolia Benth. (Mimosaceae) inflorescences in normotensive rats. JOURNAL OF ETHNOPHARMACOLOGY 2015; 164:120-128. [PMID: 25683301 DOI: 10.1016/j.jep.2015.02.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 01/29/2015] [Accepted: 02/04/2015] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Caatinga is highly influenced by its seasonality. This species is endemic in the northeastern region, which is rich in plants with pharmacological potential. Many of these plants are used by the population and some of them have confirmed pharmacological properties. Mimosa caesalpiniifolia Benth. (Mimosaceae) is a native plant from northeastern Brazil׳s caatinga, popularly known as sabiá and cascudo. The tea from the inflorescence of this species is used by the population of the semi-arid for the treatment of hypertension, and the utilization of the plant bark for the staunching of bleedings and wound washing in order to prevent inflammation; also, the ingestion of the bark infusion is used in the treatment of bronchitis. However, its pharmacological effects and mechanisms of action have not yet been studied. The aim of the present study was to determine the effect of the ethanolic extract of M. caesalpiniifolia on the cardiovascular system in rats. MATERIAL AND METHODS In a study for the assessment of the hypotensive effect of the extract, the polyethylene catheters were inserted in the aorta artery and inferior vena cava for the measurement of the arterial pressure and heart rate. When intragastric administration was performed, only one catheter was implanted in the abdominal aorta. In studies for the vasorelaxant activity, mesenteric arterial rings (1-2mm) were used: they were kept in Tyrode׳s solution (95% O2 and 5% CO2) and submitted to tension of 0.75 g/f for 1h. The results were expressed as mean ± S.E.M., significant to the values of p<0.05. RESULTS The administration of the doses through venous pathway (6.25; 12.5 and 25mg/kg, i.v.) promoted hypotension followed by bradycardia in the higher doses. The pre-treatment with atropine (2mg/kg, i.v.) interrupted both the hypotension and the bradycardia; with hexamethonium, hypotension was reverted and bradycardia was attenuated. While the administration of tea/flowers (25mg/kg i.v.) also promoted a following section of hypotension, a slight increase in heart rate was observed. When administered orally, MC-EtOH/flowers (100mg/kg, v.o.) promoted a decrease in the arterial pressure from 90 min on, without a significant alteration in the heart rate in relation to the control. In the in vitro study, a pharmacological trial was performed with the extracts obtained from parts of the species M. caesalpiifolia (leaves, bark, fruit and inflorescences). Among all extracts tested, the ethanolic extract from the inflorescences (MC-EtOH/flowers) presented higher vasorelaxant potency in relation to the other parts of the plant. Henceforth, MC-EtOH/flowers was used in the sequence. In mesenteric preparations pre-contracted with phenylephrine (10(-5)M), the MC-EtOH/flowers (0.1-750 µg/ml) promoted vasorelaxant effect regardless of the vascular endothelium. MC-EtOH/flowers inhibited the contractions induced by the cumulative addition of phenylephrine (10(-9)-10(-5)mol/l) or CaCl2 (10(-6)-3 × 10(-2)M), in a concentration-dependent way. In contractions induced by S(-)Bay K 8644, a Cav-L activator, the MC-EtOH/flowers promoted concentration-dependent relaxation, corroborating previous results. CONCLUSION The tea of flowers of M. caesalpiniifolia promotes hypotension and tachycardia, whereas ethanolic extract (MC-EtOH) promotes hypotension and bradycardia involving the participation of the muscarinic and ganglionic pathways, as well as vasorelaxant action involving the Ca(2+) influx inhibition blockade.
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Affiliation(s)
- M E P Santos
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - L H P Moura
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - M B Mendes
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - D D R Arcanjo
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - N B N Monção
- Department of Chemistry, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - B Q Araújo
- Department of Chemistry, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - J A D Lopes
- Department of Chemistry, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - J C Silva-Filho
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - R M Fernandes
- Department of Veterinary Medicine, Federal University of Piauí, 64049-550, Terezina, PI, Brazil
| | - R C M Oliveira
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - A M G L Citó
- Department of Chemistry, Federal University of Piauí, 64049-550 Terezina, PI, Brazil
| | - A P Oliveira
- Medicinal Plants Research Center, Federal University of Piauí, 64049-550 Terezina, PI, Brazil.
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Agarwala H, Ehret F, Chowdhury AD, Maji S, Mobin SM, Kaim W, Lahiri GK. Electronic structure and catalytic aspects of [Ru(tpm)(bqdi)(Cl/H2O)]n, tpm = tris(1-pyrazolyl)methane and bqdi = o-benzoquinonediimine. Dalton Trans 2013; 42:3721-34. [PMID: 23302760 DOI: 10.1039/c2dt32402d] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Hemlata Agarwala
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
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Cazzola M, Page CP, Calzetta L, Matera MG. Pharmacology and therapeutics of bronchodilators. Pharmacol Rev 2012; 64:450-504. [PMID: 22611179 DOI: 10.1124/pr.111.004580] [Citation(s) in RCA: 307] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Bronchodilators are central in the treatment of of airways disorders. They are the mainstay of the current management of chronic obstructive pulmonary disease (COPD) and are critical in the symptomatic management of asthma, although controversies around the use of these drugs remain. Bronchodilators work through their direct relaxation effect on airway smooth muscle cells. at present, three major classes of bronchodilators, β(2)-adrenoceptor (AR) agonists, muscarinic receptor antagonists, and xanthines are available and can be used individually or in combination. The use of the inhaled route is currently preferred to minimize systemic effects. Fast- and short-acting agents are best used for rescue of symptoms, whereas long-acting agents are best used for maintenance therapy. It has proven difficult to discover novel classes of bronchodilator drugs, although potential new targets are emerging. Consequently, the logical approach has been to improve the existing bronchodilators, although several novel broncholytic classes are under development. An important step in simplifying asthma and COPD management and improving adherence with prescribed therapy is to reduce the dose frequency to the minimum necessary to maintain disease control. Therefore, the incorporation of once-daily dose administration is an important strategy to improve adherence. Several once-daily β(2)-AR agonists or ultra-long-acting β(2)-AR-agonists (LABAs), such as indacaterol, olodaterol, and vilanterol, are already in the market or under development for the treatment of COPD and asthma, but current recommendations suggest the use of LABAs only in combination with an inhaled corticosteroid. In addition, some new potentially long-acting antimuscarinic agents, such as glycopyrronium bromide (NVA-237), aclidinium bromide, and umeclidinium bromide (GSK573719), are under development, as well as combinations of several classes of long-acting bronchodilator drugs, in an attempt to simplify treatment regimens as much as possible. This review will describe the pharmacology and therapeutics of old, new, and emerging classes of bronchodilator.
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Affiliation(s)
- Mario Cazzola
- Università di Roma Tor Vergata, Dipartimento di Medicina Interna, Via Montpellier 1, 00133 Roma, Italy.
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Matera MG, Calzetta L, Segreti A, Cazzola M. Emerging drugs for chronic obstructive pulmonary disease. Expert Opin Emerg Drugs 2012; 17:61-82. [DOI: 10.1517/14728214.2012.660917] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Paulo M, Rodrigues GJ, da Silva RS, Bendhack LM. A new NO donor failed to release NO and to induce relaxation in the rat basilar artery. Eur J Pharm Sci 2012; 45:344-50. [DOI: 10.1016/j.ejps.2011.12.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 11/01/2011] [Accepted: 12/01/2011] [Indexed: 11/28/2022]
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