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Sena Bastos CM, Pereira de Morais L, Silva ADA, Menezes Dantas DD, Batista PR, Lima Gomes MF, Araújo Delmondes G, Alencar de Menezes IR, Rodrigues da Silva RE, Barbosa R. Perillyl Alcohol Promotes Relaxation in Human Umbilical Artery. Curr Med Chem 2024; 31:CMC-EPUB-137092. [PMID: 38204229 DOI: 10.2174/0109298673269428231204064101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/11/2023] [Accepted: 10/24/2023] [Indexed: 01/12/2024]
Abstract
BACKGROUND Perillyl alcohol (POH) is a monoterpenoid found in plant essential oils and has been shown to relax murine vessels, but its effect on human vessels remains poorly studied. OBJECTIVE The study aimed to characterize the effect of POH on human umbilical arteries (HUA). METHODS Rings of HUA were obtained from uncomplicated patients and suspended in an organ bath for isometric recording. The vasorelaxant effect of POH in HUA was evaluated on basal tone and electromechanical or pharmacomechanical contractions, and possible mechanisms of action were also investigated. RESULTS POH (1-1000 μM) altered the basal tone of HUA and completely relaxed HUA rings precontracted with KCl (60 mM) or 5-HT (10 μM), obtaining greater potency in the pharmacomechanical pathway (EC50 110.1 μM), suggesting a complex interference in the mobilization of extra- and intracellular Ca2+. POH (1000 μM) inhibited contractions induced by BaCl2 (0.1-30 mM) in a similar way to nifedipine (10 μM), indicating a possible blockade of L-type VOCC. In the presence of potassium channel blockers, tetraethylammonium (1 mM), 4-aminopyridine (1 mM), or glibenclamide (10 μM), an increase in the EC50 value of the POH was observed, suggesting a modulation of the activity of BKCa, KV, and KATP channels. CONCLUSION The data from this study suggest that POH modulates Ca2+ and K+ ion channels to induce a relaxant response in HUA.
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Affiliation(s)
- Carla Mikevely Sena Bastos
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Luis Pereira de Morais
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Andressa de Alencar Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Débora de Menezes Dantas
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Paulo Ricardo Batista
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Maria Franciele Lima Gomes
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | | | | | - Renata Evaristo Rodrigues da Silva
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
| | - Roseli Barbosa
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-000, Ceará, Brazil
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Batista PR, de Alencar Silva A, Mikevely de Sena Bastos C, de Souza Borges A, Dias FJ, Ramon Dos Santos Pereira L, Tavares de Sousa Machado S, de Araújo Delmondes G, Kerntopf MR, Alencar de Menezes IR, Barbosa R. Vasorelaxant effect of (E,E)-farnesol in human umbilical vein ex vivo assays. Chem Biol Interact 2023; 386:110746. [PMID: 37816450 DOI: 10.1016/j.cbi.2023.110746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 09/01/2023] [Accepted: 09/22/2023] [Indexed: 10/12/2023]
Abstract
(E,E)-farnesol is a sesquiterpene acyclic alcohol produced by bacteria, protozoa, fungi, plants, and animals. The literature describes its applications in food, pharmaceutical, and cosmetic industries, and also in the pharmacological context with a vasorelaxant effect. However, its effects on human umbilical vessels remain poorly investigated. Thus, this study aims to investigate, in a new way, the vasorelaxant effect of (E,E)-farnesol in human umbilical veins (HUV) from healthy donors. Rings obtained from isolated HUV were suspended in an organ bath to record their isometric tension in different experimental sections. (E,E)-farnesol (1 μmol/L to 1 mmol/L) promoted vasorelaxant effect in venous preparations contracted by depolarization (KCl 60 mmol/L) or pharmacological agonism (5-HT 10 μmol/L), with EC50 values of 239.9 μmol/L and 424 μmol/L, respectively. In calcium-free solution, this effect was also observable. (E,E)-farnesol was able to suppress contractions evoked by CaCl2 and BaCl2 suggesting a blockade of voltage-dependent (especially L-type) calcium channels. The vasorelaxant efficacy and potency of (E,E)-farnesol were affected in the presence of tetraethylammonium (1 and 10 mmol/L), glibenclamide (10 μmol/L) and BaCl2 (1 mmol/L) indicating a possible involvement of potassium channels (BKCa, KATP and KIR) in this effect. Our data suggest that (E,E)-farnesol has a promising potential to be applicable as a vasodilator in hypertensive conditions in pregnancy that alter HUV reactivity.
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Affiliation(s)
- Paulo Ricardo Batista
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil; Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | - Andressa de Alencar Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil; Higher Institute of Biomedical Sciences, State University of Ceará, Fortaleza, 60714-903, Ceará, Brazil.
| | - Carla Mikevely de Sena Bastos
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil; Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | - Alex de Souza Borges
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil; Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | - Francisco Junio Dias
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | - Luiz Ramon Dos Santos Pereira
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | - Sara Tavares de Sousa Machado
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | | | - Marta Regina Kerntopf
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
| | | | - Roseli Barbosa
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil; Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil.
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Batista PR, Silva ADA, de Sena Bastos CM, Rodrigues da Silva RE, Calixto GL, de Morais LP, Delmondes GDA, Kerntopf MR, de Menezes IRA, Barbosa R. Vasodilation promoted by ( E, E)-farnesol involving ion channels in human umbilical arteries. Heliyon 2023; 9:e17328. [PMID: 37441374 PMCID: PMC10333471 DOI: 10.1016/j.heliyon.2023.e17328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/10/2023] [Accepted: 06/14/2023] [Indexed: 07/15/2023] Open
Abstract
Background (E,E)-farnesol is a sesquiterpene alcohol derived from plants and animals that exhibits pharmacological properties in the cardiovascular system. However, its effects on human umbilical vessels remain unknown. Purpose Thus, this study aims to characterize the vasodilatory effect of (E,E)-farnesol in human umbilical arteries (HUA). Study design The tissue is obtained from pregnant women over 18 years of age, normotensive, and without prepartum complications. After collected, the tissue was segmented and dissected to remove Wharton's jelly and obtain the umbilical arteries segments. Methods HUA segments were isolated and sectioned into rings that were subjected to isometric tension recordings in an organ bath. Results (E,E)-farnesol (1 μmol/L to 1 mmol/L) promoted vasodilatory effect in HUA preparations, affecting basal tone, and inhibiting the electromechanical coupling induced by KCl 60 mmol/L with greater potency (EC50 225.3 μmol/L) than the pharmacomechanical coupling induced by 5-HT 10 μmol/L (EC50 363.5 μmol/L). In the absence of extracellular calcium, pharmacomechanical coupling was also abolished, and contractions induced by CaCl2 or BaCl2 were attenuated by (E,E)-farnesol indicating a possible direct inhibition of L-type VOCC as a mechanism of the vasodilatory effect. The vasodilator efficacy of (E,E)-farnesol on reduction of vasocontraction induced by the presence of tetraethylammonium (1 or 10 mmol/L), 4-aminopyridine (1 mmol/L) and glibenclamide (10 μmol/L) suggesting a possible influence of different potassium channels (BKCa, KV and KATP). Conclusion These results suggest that (E,E)-farnesol may be a promising pharmacological candidate for obstetric hypertensive disorders.
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Affiliation(s)
- Paulo Ricardo Batista
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | - Andressa de Alencar Silva
- Graduate Program in Physiological Sciences, Higher Institute of Biomedical Sciences, State University of Ceará, Fortaleza, 60714-903, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | - Carla Mikevely de Sena Bastos
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | - Renata Evaristo Rodrigues da Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | - Gabriela Lucena Calixto
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | - Luís Pereira de Morais
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
- Biotechnology By the Northeastern Biotechnology Network (RENORBIO), State University of Ceará, Fortaleza, 60714-903, Ceará, Brazil
| | | | - Marta Regina Kerntopf
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
| | | | - Roseli Barbosa
- Biological Chemistry Department, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato, 63105-000, Ceará, Brazil
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Pereira-de-Morais L, Silva ADA, Bastos CMDS, Calixto GL, Araújo IM, Araújo MC, Barbosa R, Leal-Cardoso JH. The preeclampsia condition alters external potassium-evoked contraction of human umbilical vessels. Placenta 2023; 138:68-74. [PMID: 37209614 DOI: 10.1016/j.placenta.2023.05.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 04/30/2023] [Accepted: 05/03/2023] [Indexed: 05/22/2023]
Abstract
INTRODUCTION Pre-eclampsia (PE) is a disease of high incidence in parturients, that adversely affects both mother and fetus. Although PE prevalence is high, there are few studies on literature describing its etiology or its mechanism of action. Thus, the aim of this study was to elucidate PE-induced alterations of contractile reactivity in umbilical vessels. METHOD Segments of human umbilical artery (HUA) and human umbilical vein (HUV) from neonates of normotensive or PE parturients were obtained and contractile responses measured with a myograph. The segments were allowed to stabilize (2 h) under 1.0, 2.0 and 3.0 g force (gf) at pre-stimulation and, then, were stimulated with high isotonic K+ concentrations ([K+]o; 10-120 mM). RESULTS All preparations responded to increases in isotonic K+ concentrations. In HUA and HUV of neonates of normotensive parturients, and in HUV of neonates of PE parturients, the contraction saturated at nearly 50 mM [K+]o, while in HUA of neonates of PE parturients, saturation occurred at 30 mM [K+]o. Additionally, several differences between contractile responses of HUA and HUV from neonates of normotensive parturients and those from neonates of parturients with PE were observed. PE alters the contractile response of the HUA and HUV to increased [K+]o, and its contractile modulation by the pre-stimulus basal tension. Moreover, in HUA of PE, reactivity is decreased for 2.0 and 3.0 gf basal tensions and increased for 1.0 gf; in the HUV of PE condition, it is increased for all basal tensions. DISCUSSION In conclusion, PE promotes several alterations in HUA and HUV contractile reactivity, vessels in which important circulatory alterations are known to occur.
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Affiliation(s)
- Luís Pereira-de-Morais
- Northeastern Biotechnology Network, State University of Ceará, Itapery Campus, 60741-000, Fortaleza, CE, Brazil.
| | - Andressa de Alencar Silva
- Graduate Program in Physiological Sciences, State University of Ceará, Itapery Campus, 60741-000, Fortaleza, CE, Brazil.
| | - Carla Mikevely de Sena Bastos
- Graduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil.
| | - Gabriela Lucena Calixto
- Graduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil.
| | - Isaac Moura Araújo
- Graduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil.
| | - Marília Cavalcante Araújo
- Graduate Program in Physiological Sciences, State University of Ceará, Itapery Campus, 60741-000, Fortaleza, CE, Brazil.
| | - Roseli Barbosa
- Graduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil.
| | - José Henrique Leal-Cardoso
- Northeastern Biotechnology Network, State University of Ceará, Itapery Campus, 60741-000, Fortaleza, CE, Brazil; Graduate Program in Physiological Sciences, State University of Ceará, Itapery Campus, 60741-000, Fortaleza, CE, Brazil.
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de Menezes Dantas D, Pereira-de Morais L, de Alencar Silva A, da Silva RER, Dias FJ, de Sousa Amorim T, Cruz-Martins N, Melo Coutinho HDD, Barbosa R. Pharmacological screening of species from the Lippia genus, content in terpenes and phenylpropanoids, and their vasorelaxing effects on human umbilical artery. Curr Pharm Des 2022; 29:CPD-EPUB-127785. [PMID: 36424792 DOI: 10.2174/1381612829666221124101321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/30/2022] [Accepted: 10/07/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Naturally occurring bioactive compounds have a plethora of biological effects. OBJECTIVE In this study, we examined a pharmacological screening of natural products on the human umbilical artery (HUA). METHODS HUA preparations were used to follow contractions by KCl (60 mM) and tested at different concentrations (1-5000 μg/mL and μM) of the Lippia alba (EOLa) and Lippia origanoides (EOLo) essential oils, terpenes (citral, limonene perilic alcohol) and phenylpropanoids (eugenol, methyl eugenol). Discussion/Results: The reduction corresponded to approximately 100%, except for limonene (80±1.2 %). When evaluating the concentration of the natural product that promotes 50 % relaxation of the HUA contracted by KCL, EC50 values were: 424.3 μg/mL (EOLa); 468.7±6.7 μg/mL (EOLo); 264.2 ± 8.2 μM (citral); 677.8±5.4 μM (limonene); 186.3±6.4 μM (peryl alcohol); 986.4±7.9 μM (eugenol); and 279.1±4.4 μM (methyl-eugenol). Perillyl alcohol had a lower EC50 (consequently it has a higher pharmacological potency). CONCLUSION The plant extracts have a promising vasorelaxing effect in HUAs, paving the way for future investigations: as applications in diseases related to these vessels, such as preeclampsia.
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Affiliation(s)
- Debora de Menezes Dantas
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Luis Pereira-de Morais
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Andressa de Alencar Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Renata Evaristo Rodrigues da Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Francisco Junio Dias
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Thais de Sousa Amorim
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, 63105, CE, Brazil
| | - Natália Cruz-Martins
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal
- Institute of Research and Advanced Training in Health Sciences and Technologies (CESPU), Rua Central de Gandra, 1317, 4585-116 Gandra PRD, Portugal
- TOXRUN - Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
| | - Henrique Douglas Douglas Melo Coutinho
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil
| | - Roseli Barbosa
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Regional University of Cariri, Pimenta Campus, 63105-010, Crato, CE, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
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Borges AS, Bastos CMS, Dantas DM, Milfont CGB, Brito GMH, Pereira-de-Morais L, Delmondes GA, da Silva RER, Kennedy-Feitosa E, Maia FPA, Lima CMG, Bin Emran T, Coutinho HDM, Menezes IRA, Kerntopf MR, Caruso G, Barbosa R. Effect of Lippia alba (Mill.) N.E. Brown Essential Oil on the Human Umbilical Artery. Plants (Basel) 2022; 11:3002. [PMID: 36365458 PMCID: PMC9659075 DOI: 10.3390/plants11213002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 06/16/2023]
Abstract
Lippia alba is popularly known as lemon balm, with its essential oil (EO) cited for displaying antimicrobial, sedative, and vasorelaxant effects. Yet, its action on isolated human vessels has not been described in the literature. Thus, we evaluated the vasorelaxant effect of essential oil of L. alba (EOLa) on human umbilical arteries (HUA) isolated in organ baths. HUA rings were isolated, subjected to contractions induced by potassium chloride (KCl), serotonin (5-HT), or histamine (HIST) to record the isometric tension, and then treated with EOLa (30-1000 µg/mL). The EOLa showed a more prominent inhibitory effect on the pharmacomechanical coupling contraction via HIST with an EC50 value of 277.1 ± 8.5 µg/mL and maximum relaxant effect at 600 µg/mL. The addition of tetraethylammonium (TEA) or 4-aminopyridine (4-AP) in HUA preparations did not inhibit EOLa total relaxant effect at 1000 µg/mL. In the presence of gliblenclamide (GLI), the oil relaxed the HUA rings by 90.8% at maximum concentration. The EOLa was also investigated for its effects on voltage-operated calcium channels (VOCCs), where the HUA preincubation with this oil at 1000 μg/mL inhibited BaCl2 (0.1-30 mM)-induced contractions. This study demonstrates for the first time that EOla has a vasorelaxant effect on HUA and its particular blockade of VOCCs.
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Affiliation(s)
- Alex S. Borges
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Carla M. S. Bastos
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Debora M. Dantas
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Cícera G. B. Milfont
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Guilherme M. H. Brito
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Luís Pereira-de-Morais
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Gyllyandeson A. Delmondes
- Nursing Collegiate, Petrolina Campus, Federal University of The San Francisco Vale, Petrolina 56304-205, Pernambuco, Brazil
| | - Renata E. R. da Silva
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Emanuel Kennedy-Feitosa
- Health Science Department, Morphophysiopharmacology Laboratory, Federal Rural University of Semiarid, Mossoró 59625-900, Rio Grande do Norte, Brazil
| | | | - Clara M. G. Lima
- Department of Food Science, Federal University of Lavras, Lavras 37200-900, Minas Gerais, Brazil
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Henrique Douglas M. Coutinho
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Irwin Rose A. Menezes
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Marta R. Kerntopf
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
| | - Gianluca Caruso
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Naples, Italy
| | - Roseli Barbosa
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
- Biological Sciences Department, Physiopharmacology of Excitable Cells Laboratory, Pimenta Campus, Regional University of Cariri, Crato 63105-010, Ceará, Brazil
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Dantas DDM, Silva ADA, Pereira-de-Morais L, Bastos CMDS, Calixto GL, Kerntopf MR, Menezes IRAD, Weinreich D, Barbosa R. Characterization of the vasodilator effect of eugenol in isolated human umbilical cord arteries. Chem Biol Interact 2022; 359:109890. [DOI: 10.1016/j.cbi.2022.109890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/01/2022] [Accepted: 03/09/2022] [Indexed: 11/25/2022]
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Bastos P, Barbosa R. Motor reserve: How to build neuronal resilience against ageing and neurodegeneration? Rev Neurol (Paris) 2022; 178:845-854. [DOI: 10.1016/j.neurol.2021.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 11/14/2021] [Accepted: 12/17/2021] [Indexed: 10/19/2022]
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de Alencar Silva A, Pereira-de-Morais L, Rodrigues da Silva RE, de Menezes Dantas D, Brito Milfont CG, Gomes MF, Araújo IM, Kerntopf MR, Alencar de Menezes IR, Barbosa R. Pharmacological screening of the phenolic compound caffeic acid using rat aorta, uterus and ileum smooth muscle. Chem Biol Interact 2020; 332:109269. [DOI: 10.1016/j.cbi.2020.109269] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/02/2020] [Accepted: 09/25/2020] [Indexed: 12/22/2022]
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Machado E, Almeida F, Neto C, Barbosa R, Sogame L, Oliveira J, Pinto H, Duarte S, Vieira L. External causes in women assisted by the Mobile Emergency Service - SAMU, in Espírito Santo, Brazil. Eur J Public Health 2020. [DOI: 10.1093/eurpub/ckaa166.564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
External causes are events that lead to traumas, injuries and any health problems, whether deliberate or not, with sudden onset and with immediate consequence, which may or may not lead to death or incapacitating injuries. Studies show that the main causes of death of women in fertile period are external causes, and they associate this fact with the change in habits and lifestyle adopted by this group in modern times that make them more vulnerable to the risks of becoming ill or dying from such causes. The objective of this study is precisely to analyze the prevalence of the main external causes in women assisted by SAMU 192 in Espírito Santo, Brazil, and in this way, assist in the development of accident and violence prevention strategies and also contribute to the scientific society through the description of the profile epidemiological profile of these events.
Methods
This is a cross-sectional study of primary care provided by SAMU 192, in the state of Espírito Santo, in 2015, in which only women victims of traffic accidents, aggression or falls were selected.
Results
Among the women assisted by SAMU 192, 23.5% were victims of accidents and violence. Of this total, 48.6% received assistance for falls, 46.6% for traffic accidents and 4.9% for aggression. Adulthood was the most frequent, with an average age of 44.9 ± 22.7 years.
Conclusions
External causes involving women represent a major problem in Brazil and worldwide. In Espírito Santo, falling was the most common type of external cause and mainly affected the elderly woman, while the traffic accident mainly affected the adult woman. As for the aggressions, these occurred mainly at night with association with the use of alcoholic beverages. Thus, it is immensely necessary to develop actions to promote and prevent external causes of harm to women's health in the state of Espírito Santo.
Key messages
Knowing what affects the most women's health in an emerging country like Brazil, is essential for public policy actions aimed at reducing the femininity, sexism and the death of women in general. Violence against women is an underreported event because of several factors, leading to the concealment of violence, emphasizing once again the importance of public policies for this purpose.
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Affiliation(s)
- E Machado
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - F Almeida
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - C Neto
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - R Barbosa
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - L Sogame
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - J Oliveira
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - H Pinto
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - S Duarte
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
| | - L Vieira
- Urgency and Emergency Department, EMESCAM, Vitória, Brazil
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Evaristo Rodrigues da Silva R, de Alencar Silva A, Pereira-de-Morais L, de Sousa Almeida N, Iriti M, Kerntopf MR, de Menezes IRA, Coutinho HDM, Barbosa R. Relaxant Effect of Monoterpene (-)-Carveol on Isolated Human Umbilical Cord Arteries and the Involvement of Ion Channels. Molecules 2020; 25:molecules25112681. [PMID: 32527034 PMCID: PMC7321233 DOI: 10.3390/molecules25112681] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/29/2020] [Accepted: 06/01/2020] [Indexed: 01/11/2023] Open
Abstract
Carveol is a monoterpene present in the structure of many plant products. It has a variety of biological activities: antioxidant, anticancer and vasorelaxation. However, studies investigating the effect of monoterpenoids on human vessels have not yet been described. Thus, the present study aimed to characterize the effect of (−)-carveol on human umbilical arteries (HUAs). HUA ring preparations were isolated and subjected to isometric tension recordings of umbilical artery smooth muscle contractions. (−)-Carveol exhibited a significant vasorelaxant effect on KCl and 5-HT-induced contractions, obtaining EC50 values of 344.25 ± 8.4 and 175.82 ± 4.05 µM, respectively. The participation of calcium channels in the relaxation produced by (−)-carveol was analyzed using vessels pre-incubated with (−)-carveol (2000 µM) in a calcium-free medium, where the induction of contractions was abolished. The vasorelaxant effect of (−)-carveol on HUAs was reduced by tetraethylammonium (TEA), which increased the (−)-carveol EC50 to 484.87 ± 6.55 µM. The present study revealed that (−)-carveol possesses a vasorelaxant activity in HUAs, which was dependent on the opening of calcium and potassium channels. These results pave the way for further studies involving the use of monoterpenoids for the vasodilatation of HUAs. These molecules have the potential to treat diseases such as pre-eclampsia, which is characterized by resistance in umbilical arteries.
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Affiliation(s)
- Renata Evaristo Rodrigues da Silva
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
| | - Andressa de Alencar Silva
- PhD student Graduate Program in Physiological Sciences, Higher Institute of Biomedical Sciences State University of Ceará–UECE, Fortaleza 60714-903, CE, Brazil;
| | - Luís Pereira-de-Morais
- PhD student in Biotechnology by the Northeastern Biotechnology Network - RENORBIO, State University of Ceará-UECE, Fortaleza 60714-903, CE, Brazil;
| | - Nayane de Sousa Almeida
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
| | - Marcello Iriti
- Department of Agricultural and Environmental Sciences, Milan State University, via G. Celoria 2, 20133 Milan, Italy
- Correspondence: ; Tel.: +390-250316766
| | - Marta Regina Kerntopf
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
| | - Irwin Rose Alencar de Menezes
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
| | - Henrique Douglas Melo Coutinho
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
| | - Roseli Barbosa
- Department of Biological Chemistry, Regional University of Cariri, Crato 63105-000, CE, Brazil; (R.E.R.d.S.); (N.d.S.A.); (M.R.K.); (I.R.A.d.M.); (H.D.M.C.); (R.B.)
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Pereira-de-Morais L, Silva ADA, da Silva RER, Ferraz Navarro DMDA, Melo Coutinho HD, Menezes IRAD, Kerntopf MR, Cunha FABD, Leal-Cardoso JH, Barbosa R. Myorelaxant action of the Dysphania ambrosioides (L.) Mosyakin & Clemants essential oil and its major constituent α-terpinene in isolated rat trachea. Food Chem 2020; 325:126923. [PMID: 32387952 DOI: 10.1016/j.foodchem.2020.126923] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 04/25/2020] [Accepted: 04/25/2020] [Indexed: 01/06/2023]
Abstract
This study aimed to investigate the myorelaxant action of the Dysphania ambrosioides essential oil (EODa) and its major constituent α-terpinene on tracheal smooth muscle isolated from rats. In tracheal smooth muscle ex vivo, in organ baths, isometric contractions recordings were done in order to evaluated the effect of EODa (1-1000 μg/mL) and α-terpinene (1-3000 μg/mL) on the following parameters: basal tone, contractions evoked by potassium (KCl 60 mM), acetylcholine (ACh 10 μM) or serotonin (5-HT 10 μM). The EODa and its major constituent α-terpinene, did not statistically alter basal tone; however, they induced myorelaxant effects on top of contractions induced by KCl, ACh and 5-HT. EODa and α-terpinene also inhibited the contractions induced by barium in presence of High [K+] (80 mM). The data suggest that the relaxation induced by these agents is caused by the inhibition of L-type VGCC, inhibiting the inward Ca2+ current through these channels, but does not exclude the possibility of participation of other mechanisms. Results from this study also suggest the EODa, due to their efficacy on relaxation of the respiratory tract, posses a therapeutic potential as a antispasmodic agent for respiratory tract.
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Affiliation(s)
- Luís Pereira-de-Morais
- Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil; State University of Ceará, Itapery Campus, 60741-000 Fortaleza, CE, Brazil.
| | | | - Renata Evaristo Rodrigues da Silva
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
| | | | - Henrique Douglas Melo Coutinho
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
| | - Irwin Rose Alencar de Menezes
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
| | - Marta Regina Kerntopf
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
| | - Francisco Assis Bezerra da Cunha
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
| | | | - Roseli Barbosa
- Biological Chemistry Department, Postgraduate Program in Biological Chemistry, Brazil; Regional University of Cariri, Pimenta Campus, 63105-010 Crato, CE, Brazil
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Monteiro ÁB, Kelly de Souza Rodrigues C, Petícia do Nascimento E, Sales VDS, de Araújo Delmondes G, Nogueira da Costa MH, Pereira de Oliveira VA, Pereira de Morais L, Boligon AA, Barbosa R, Martins da Costa JG, Alencar de Menezes IR, Bezerra Felipe CF, Kerntopf MR. Anxiolytic and antidepressant-like effects of Annona coriacea (Mart.) and caffeic acid in mice. Food Chem Toxicol 2020; 136:111049. [DOI: 10.1016/j.fct.2019.111049] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/02/2019] [Accepted: 12/08/2019] [Indexed: 10/25/2022]
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14
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Delmondes GDA, Santiago Lemos IC, Dias DDQ, Cunha GLD, Araújo IM, Barbosa R, Coutinho HDM, Felipe CFB, Barbosa-Filho JM, Lima NTRD, De Menezes IRA, Kerntopf MR. Pharmacological applications of farnesol (C15H26O): a patent review. Expert Opin Ther Pat 2020; 30:227-234. [DOI: 10.1080/13543776.2020.1718653] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
| | | | | | | | - Isaac Moura Araújo
- Department of Biologial Chemistry, Regional University of Cariri (URCA), Crato, CE, Brazil
| | - Roseli Barbosa
- Department of Biologial Chemistry, Regional University of Cariri (URCA), Crato, CE, Brazil
| | | | | | | | | | | | - Marta Regina Kerntopf
- Department of Biologial Chemistry, Regional University of Cariri (URCA), Crato, CE, Brazil
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15
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Kennedy-Feitosa E, Oliveira-Melo P, Evangelista-Costa E, Serra DS, Cavalcante FSÁ, da Ponte EL, Barbosa R, da Silva RER, Assreuy AMS, Leal-Cardoso JH, Lima CC. Eucalyptol reduces airway hyperresponsiveness in rats following cigarette smoke-exposed. Pulm Pharmacol Ther 2020; 61:101887. [PMID: 31923458 DOI: 10.1016/j.pupt.2020.101887] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 01/02/2020] [Accepted: 01/04/2020] [Indexed: 11/18/2022]
Abstract
BACKGROUND Cigarette smoke is the major cause of airway inflammatory disease, including airway hyperresponsiveness. Eucalyptol (EUC), also named 1.8-cineole, is a monoterpenoid found in essential oil of medicinal plants, showing several biological effects. HYPOTHESIS/PURPOSE Based in the eucalyptol protective activity in respiratory diseases as asthma, our hypothesis is that eucalyptol is able to reduce the airway hyperresponsiveness and the respiratory mechanic parameters in rats exposed to cigarette smoke. STUDY DESIGN Wistar rats were divided into control and cigarettes smoke (CS) groups. CS group was daily subjected to cigarette smoke and treated by inhalation for 15 min/day with EUC (1 mg/mL) or vehicle during 30 days. After treatment, bronchoalveolar lavage (BAL) was collected to analyze the inflammatory profile, and tracheal rings were isolated for evaluation of the airway smooth muscle hyperresponsiveness. Lung function was analyzed in vivo. METHODS The inflammatory profile was evaluated by optical microscopy performing total (Neubauer chamber) and differential leukocyte count (smear slides stained in H&E). The hyperresponsiveness was evaluated in tracheal rings contracted with potassium chloride (KCl) carbamoylcholine (CCh), or Barium chloride (BaCl2) in presence or absence of nifedipine. The lung function (Newtonian resistance-RN) was evaluated by bronco stimulation with methacholine (MCh). RESULTS BAL from CS group increased the influx of leukocyte, mainly neutrophils and macrophages compared to control group. EUC reduced by 71% this influx. The tracheal contractions induced by KCl, CCh or BaCl2 were reduced by EUC in 59%, 42% and 26%, respectively. The last one was not different of nifedipine activity. Newtonian resistance (RN) was also reduced in 37% by EUC compared to CS group.
CONCLUSION: EUC reduces the hyperresponsiveness and the airway inflammatory profile, recovering the lung function.
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Affiliation(s)
- Emanuel Kennedy-Feitosa
- Departamento de Ciências da Saúde, Universidade Federal Rural do Semi-Árido, UFERSA, Brazil.
| | - Paolo Oliveira-Melo
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, UECE, Brazil
| | | | - Daniel Silveira Serra
- Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, UECE, Brazil
| | | | | | - Roseli Barbosa
- Departamento de Química Biológica, Universidade Regional do Cariri, URCA, Brazil
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de Araújo Delmondes G, Bezerra DS, de Queiroz Dias D, de Souza Borges A, Araújo IM, Lins da Cunha G, Bandeira PFR, Barbosa R, Melo Coutinho HD, Felipe CFB, Barbosa-Filho JM, Alencar de Menezes IR, Kerntopf MR. Toxicological and pharmacologic effects of farnesol (C15H26O): A descriptive systematic review. Food Chem Toxicol 2019; 129:169-200. [DOI: 10.1016/j.fct.2019.04.037] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/02/2019] [Accepted: 04/22/2019] [Indexed: 12/22/2022]
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Affiliation(s)
- L. M. Araque
- Graduate Program in Materials Science and Engineering; Federal University of Piauí (UFPI), Technology Center; Teresina Piauí 64049-550 Brazil
| | - T. S. Alves
- Graduate Program in Materials Science and Engineering; Federal University of Piauí (UFPI), Technology Center; Teresina Piauí 64049-550 Brazil
- Materials Engineering Course; Federal University of Piauí (UFPI), Technology Center; Teresina Piauí 64049-550 Brazil
| | - R. Barbosa
- Graduate Program in Materials Science and Engineering; Federal University of Piauí (UFPI), Technology Center; Teresina Piauí 64049-550 Brazil
- Materials Engineering Course; Federal University of Piauí (UFPI), Technology Center; Teresina Piauí 64049-550 Brazil
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18
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da Silva R, de Morais L, Silva A, Bastos C, Pereira-Gonçalves Á, Kerntopf M, Menezes I, Leal-Cardoso J, Barbosa R. Vasorelaxant effect of the Lippia alba essential oil and its major constituent, citral, on the contractility of isolated rat aorta. Biomed Pharmacother 2018; 108:792-798. [DOI: 10.1016/j.biopha.2018.09.073] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/31/2018] [Accepted: 09/12/2018] [Indexed: 10/28/2022] Open
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Moriceau O, Musset L, Barbosa R, Larzek Y, Michaud C, Abboud P, Walter G, Cebe M, Djossou F, Mosnier E. Nouvelles stratégies de dépistage de terrain du paludisme : importance et rôle de l’infirmier coordinateur sur le projet PALUSTOP. Med Mal Infect 2018. [DOI: 10.1016/j.medmal.2018.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Carvalho PM, Macêdo CA, Ribeiro TF, Silva AA, Da Silva RE, de Morais LP, Kerntopf MR, Menezes IR, Barbosa R. Effect of the Lippia alba (Mill.) N.E. Brown essential oil and its main constituents, citral and limonene, on the tracheal smooth muscle of rats. Biotechnol Rep (Amst) 2018; 17:31-34. [PMID: 29619330 PMCID: PMC5881402 DOI: 10.1016/j.btre.2017.12.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 11/27/2017] [Accepted: 12/05/2017] [Indexed: 11/28/2022]
Abstract
The Lippia alba (Mill.) N.E. Brown (Verbenaceae) species, has effects sedative, analgesic and spasmolytic properties. This study had as its main objective to evaluate the essential oil of L. alba (EOLa) effect and that of its main constituents, citral and limonene, over tracheal smooth muscle from Wistar rats. EOLa, citral and limonene promoted relaxation of tracheal smooth muscle in contractions induced by potassium (60 mM K+), presenting an EC50 of 148 ± 7 μg/mL for the EOLa, 136 ± 7 μg/mL for citral and 581 ± 7 μg/mL for limonene. In contractions induced by Acetylcholine (Ach; 10 μM) the EC50 for the EOLa and citral were of 731 ± 5 μg/mL and 795 ± 9 μg/mL, respectively. In preparations pre-incubated with 1000 μg/mL of the EOLa and citral, both agents were found to block the influx of BaCl2 by VOCCs. This study demonstrated that the EOLa and its main component citral present antispasmodic effect over tracheal smooth muscle of rats.
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Affiliation(s)
- Poliana M.M. Carvalho
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Cícero A.F. Macêdo
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Tiago F. Ribeiro
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Andressa A. Silva
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Renata E.R. Da Silva
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Luís P. de Morais
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Marta R. Kerntopf
- Pharmacology of Natural Products Laboratory, Regional University of Cariri-Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Irwin R.A. Menezes
- Pharmacology and Molecular Chemistry Laboratory, Department of Chemical Biology, Regional University of Cariri-Campus of Pimenta, 63105-010, Crato, CE, Brazil
| | - Roseli Barbosa
- Physiopharmacology of Excitability Cell Laboratory, Department of Chemical Biology Regional University of Cariri, Campus of Pimenta, 63105-010, Crato, CE, Brazil
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Gabbi A, McManus C, Marques L, Abreu A, Machado S, Zanela M, Barbosa R, Fischer V. Different levels of supplied energy for lactating cows
affect physicochemical attributes of milk. J Anim Feed Sci 2018. [DOI: 10.22358/jafs/83703/2018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Brito Pereira Bezerra Martins AO, Albuquerque Siebra AL, de Morais Oliveira CD, Leite GO, Melo Coutinho HD, Athayde ML, Bolignon AA, Andrade JC, Oliveira LR, Kerntopf MR, Barbosa R, Alves Santana Cesario FR, Coutinho TS, Quintans-Junior LJ, Alencar de Menezes IR. Antimicrobial, Gastroprotective and Healing Effect of the Hydroalcoholic Extract of Astronium fraxinifolium. LETT DRUG DES DISCOV 2018. [DOI: 10.2174/1570180814666170213160114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Anita Oliveira Brito Pereira Bezerra Martins
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Ana Luiza Albuquerque Siebra
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Cicera Datiane de Morais Oliveira
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Gerlania Oliveira Leite
- Programa de Pos-graduacao em Farmacologia, Universidade Federal de Santa Maria, Centro de Ciencias da Saude Santa Maria, RS, Brazil
| | - Henrique Douglas Melo Coutinho
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio Microbiologia e Biologia Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Margareth Linde Athayde
- Centro de Ciencias da Saude, Departamento de Farmacia Industrial, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Aline Augusti Bolignon
- Centro de Ciencias da Saude, Departamento de Farmacia Industrial, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil
| | - Jacqueline Cosmo Andrade
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio Microbiologia e Biologia Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Larissa Rolim Oliveira
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Marta Regina Kerntopf
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Roseli Barbosa
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Francisco Rafael Alves Santana Cesario
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Thales Silva Coutinho
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
| | - Lucindo Jose Quintans-Junior
- Programa de Pos-Graduacao em Ciencias Farmaceuticas, Universidade Federal University de Sergipe (PPGCF/UFS), 49.100-000 Sao Cristovao, Sergipe, Brazil
| | - Irwin Rose Alencar de Menezes
- Departamento de Quimica Biologica, Programa de Pos-Graduacao em Bioprospeccao Molecular, Laboratorio de Farmacologia e Quimica Molecular Universidade Regional do Cariri, 63105-000, Crato, CE, Brazil
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de Oliveira DR, Quintans-Junior LJ, de Albuquerque TR, de Brito Junior FE, Fernandes CN, Fernandes de Souza HH, Boligon AA, Athayde ML, Felipe CB, Melo Coutinho HD, Barbosa R, Kerntopf MR, de Menezes IRA. Gastroprotective Activity of Hydroalcoholic Extract of the Stryphnodendron rotundifolium Mart. in Mice: Mechanism Actions Assay. LETT DRUG DES DISCOV 2018. [DOI: 10.2174/1570180814666170213154951] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Dayanne Rakelle de Oliveira
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Lucindo Jose Quintans-Junior
- Department of Physiology, Department of Pharmacy, Federal University of Sergipe (DFS/UFS), 49.100-000 Sao Cristovao, Sergipe, Brazil
| | - Thais Rodrigues de Albuquerque
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Francisco Elizaudo de Brito Junior
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Cicera Norma Fernandes
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Heloisa Helena Fernandes de Souza
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Aline Augusti Boligon
- Pharmacy Department, Federal University of Santa Maria, 97105-900, Santa Maria, Brazil
| | | | - Cicero Bezerra Felipe
- Molecular Biology Department Campus Universitario I Jardim Cidade Universitaria, Federal University of Paraiba 58059-900 - Joao Pessoa, PB, Brazil
| | - Henrique Douglas Melo Coutinho
- Chemistry Biology Department, Molecular Biology and Microbiology Laboratory (LMBM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Roseli Barbosa
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Marta Regina Kerntopf
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
| | - Irwin Rose Alencar de Menezes
- Chemistry Biology Department, Molecular Chemistry and Pharmacology Laboratory (LFQM), Regional University of Cariri, Brazil. Rua Coronel Antonio Luiz, 1161, Pimenta, CEP 63.105-000-Crato/Ceara, Brazil
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Souza DO, dos Santos Sales V, de Souza Rodrigues CK, de Oliveira LR, Santiago Lemos IC, de Araújo Delmondes G, Monteiro ÁB, do Nascimento EP, Sobreira Dantas Nóbrega de Figuêiredo FR, Martins da Costa JG, Pinto da Cruz GM, de Barros Viana GS, Barbosa R, Alencar de Menezes IR, Bezerra Felipe CF, Kerntopf MR. Phytochemical Analysis and Central Effects of Annona Muricata Linnaeus: Possible Involvement of the Gabaergic and Monoaminergic Systems. Iran J Pharm Res 2018; 17:1306-1317. [PMID: 30568689 PMCID: PMC6269576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Annona muricata Linnaeus (Annonaceae), popularly known as graviola, is used in folk medicine as both sedative and anticonvulsant. This study correlates the neurochemical profile with the behavioral effects of the hydroalcoholic extract from the leaves of Annona muricata (HLEAM) in mice, proposing to elucidate their mechanism of action on the central nervous system. Flavonoids and phenolic compounds were identified and quantified by High Performance Liquid Chromatography (HPLC) method. The acute toxicity (median lethal dose - LD50) was determined by probitos method using the percentage of mortality based on the Hippocratic screen. HLEAM (25, 50 and 100 mg/kg) was tested, intraperitoneally (i.p.), in models of sedation, anxiety, motor coordination, and seizures. The endogenous levels of dopamine, norepinephrine and DOPAC were assayed by reverse-phase HPLC with electrochemical detection. The HPLC analysis of the extract revealed the presence of flavonoids (quercetin, isoquercitrin, quercitrin, rutin, and kaempferol) and phenolics acids (gallic, chlorogenic, ellagic and caffeic acids). The LD50 was 1091.7 mg/kg and Hippocratic screening indicated central nervous system depressant effect. HLEAM presented sedative effects at doses of 25, 50, and 100 mg/kg, as well as anxiolytic and anticonvulsant effects at a dose of 100 mg/kg. In addition, these effects were partially reversed by flumazenil. The monoamines analysis by HPLC showed that HLEAM decreased the level of norepinefrine and dopamine in the mouse brain striatum. Thus, the results indicate a possible interaction of HLEAM with the GABAergic and monoaminergic systems, adding medicinal value to the popular use of the plant for the treatment of behavioral and neurological disorders.
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Affiliation(s)
- Daniele Oliveira Souza
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | - Valterlúcio dos Santos Sales
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | | | - Larissa Rolim de Oliveira
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | | | | | - Álefe Brito Monteiro
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | - Emmily Petícia do Nascimento
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | | | | | - Giovany Michely Pinto da Cruz
- Laboratory of Pharmacology and Biophysiology, Faculty of Medicine Estácio of Juazeiro do Norte, 515 Tenente Raimundo Rocha, Juazeiro do Norte (CE), Brazil.
| | - Glauce Socorro de Barros Viana
- Laboratory of Pharmacology and Biophysiology, Faculty of Medicine Estácio of Juazeiro do Norte, 515 Tenente Raimundo Rocha, Juazeiro do Norte (CE), Brazil.
| | - Roseli Barbosa
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
| | | | - Cícero Francisco Bezerra Felipe
- Laboratory of Pharmacology and Experimental Biochemistry, Federal University of Paraíba, Cidade Universitária Pessoa (PB), Brazil.
| | - Marta Regina Kerntopf
- Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri Antonio Luis, Crato (CE), Brazil.
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Barbosa R, Cruz-Mendes Y, Silva-Alves KS, Ferreira-da-Silva FW, Ribeiro NM, Morais LP, Leal-Cardoso JH. Effects of Lippia sidoides essential oil, thymol, p-cymene, myrcene and caryophyllene on rat sciatic nerve excitability. ACTA ACUST UNITED AC 2017; 50:e6351. [PMID: 29069226 PMCID: PMC5649868 DOI: 10.1590/1414-431x20176351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 07/07/2017] [Indexed: 01/23/2023]
Abstract
Lippia sidoides Cham is a typical herb species of Northeast Brazil with widespread use in folk medicine. The major constituents of the essential oil of L. sidoides (EOLs) are thymol, p-cymene, myrcene, and caryophyllene. Several studies have shown that the EOLs and its constituents have pharmacological effects, including antibacterial, anti-inflammatory, antioxidant and neuroprotective activity. Therefore, this work aimed to investigate the effects of the EOLs and their main constituents on rat sciatic nerve excitability. The sciatic nerves of adult Wistar rats were dissected and mounted in a moist chamber. Nerves were stimulated by square wave pulses, with an amplitude of 40 V, duration of 100 μs to 0.2 Hz. Both EOLs and thymol inhibited compound action potential (CAP) in a concentration-dependent manner. Half maximal inhibitory concentration for CAP peak-to-peak amplitude blockade were 67.85 and 40 µg/mL for EOLs and thymol, respectively. CAP peak-to-peak amplitude was significantly reduced by concentrations ≥60 µg/mL for EOLs and ≥30 µg/mL for thymol. EOLs and thymol in the concentration of 60 µg/mL significantly increased chronaxie and rheobase. The conduction velocities of 1st and 2nd CAP components were also concentration-dependently reduced by EOLs and thymol in the range of 30-100 µg/mL. Differently from EOLs and thymol, p-cymene, myrcene and caryophyllene did not reduce CAP in the higher concentrations of 10 mM. These data demonstrated that EOLs and thymol inhibited neuronal excitability and were promising agents for the development of new drugs for therapeutic use.
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Affiliation(s)
- R Barbosa
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
| | - Y Cruz-Mendes
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - K S Silva-Alves
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - F W Ferreira-da-Silva
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - N M Ribeiro
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - L P Morais
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
| | - J H Leal-Cardoso
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
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Alvim M, Yasuda C, Morita M, Coan A, Barbosa R, Vieira E, Rocha N, Lopes-Cendes I, Teixeira A, Cendes F. The relationship between blood serum BDNF and seizure frequency in temporal lobe epilepsy patients. J Neurol Sci 2017. [DOI: 10.1016/j.jns.2017.08.948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Lemos ICS, Santos ADFD, Silva LGD, Barbosa R, Kerntopf MR, Fernandes GP. Use of natural resources for treatment of childhood illness / Uso de recursos naturais para o tratamento das doenças prevalentes na infância / Uso de los recursos naturales para el tratamiento de las enfermedades.. Rev Enferm UFPI 2016. [DOI: 10.26694/reufpi.v5i4.5556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Objetivo: identificar e realizar uma análise do uso de recursos naturais para tratamento de doenças prevalentes na infância em uma comunidade sob a perspectiva do Discurso do Sujeito Coletivo. Metodologia: estudo de abordagem qualitativa, onde adotou-se como estratégia metodológica a construção do Discurso do Sujeito Coletivo. Os dados foram coletados por meio de entrevista semiestruturada, sendo transcritos e para sua análise foi utilizado o Qualiquantisoft. Resultados: foram ao todo 54 informantes, as respostas ressaltaram a utilização de recursos naturais para o tratamento de doenças prevalentes na infância, sendo identificada nas ideias centrais e Discursos do Sujeito Coletivo encontrados. Evidenciou-se o uso dos recursos naturais no tratamento de doenças em crianças como alternativa ou complemento ao tratamento farmacológico, sendo expressada ainda grande confiabilidade nos resultados do seu uso. Conclusão: a utilização do Discurso do Sujeito Coletivo representou uma importante ferramenta para a obtenção dos dados, possibilitando assim uma análise mais fidedigna do conhecimento popular dos entrevistados.
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Rosado C, Antunes F, Barbosa R, Fernando R, Estudante M, Silva HN, Rodrigues LM. About the in vivo quantitation of skin anisotropy. Skin Res Technol 2016; 23:429-436. [PMID: 27882608 DOI: 10.1111/srt.12353] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/18/2016] [Indexed: 01/12/2023]
Abstract
BACKGROUND/PURPOSE Human skin anisotropy is difficult to quantify. The Cutiscan® , is allegedly, the first biometrical system to provide information on the elastic and viscoelastic properties, as well as on anisotropy and directionality of the human skin in vivo. Thus, this study aims to contribute to characterize this new device and its applicability, and to compare its behavior with two other well-known devices-the Cutometer® and the Reviscometer® . METHODS Measurements were conducted with each device in three different anatomical sites (forehead, forearm and leg) of 20 female volunteers engaged after informed consent. The participants in the study were aged 19-73 years (mean age 37 ± 18.7 years old), and were divided in two groups (n = 10), based on their age - Group I, mean age 22 ± 1.3 years; Group II, mean age 52 ± 13.7 years. RESULTS All devices were useful tools to explore the anatomical and the age dependant changes in biomechanical terms, showing different discriminative capacities. Interesting correlations were established between the variables provided by the equipment. CONCLUSION The Cutiscan® descriptors delivered excellent relationships with those from Cutometer® and Reviscometer® , while providing more detailed information about skin anisotropy through a full 360° analysis.
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Affiliation(s)
- C Rosado
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - F Antunes
- Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - R Barbosa
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - R Fernando
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal
| | - M Estudante
- iMed.ULisboa - Research Institute for Medicines, School of Pharmacy, Lisbon, Portugal
| | - H N Silva
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal.,Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - L M Rodrigues
- CBIOS - Universidade Lusófona's Research Center for Biosciences and Health Technologies, Lisbon, Portugal.,Pharmacological Sciences Department, School of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
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Lemos ICS, Delmondes GDA, Dos Santos ADF, Santos ES, de Oliveira DR, de Figueiredo PRL, Alves DDA, Barbosa R, de Menezes IRA, Coutinho HDM, Kerntopf MR, Fernandes GP. ETHNOBIOLOGICAL SURVEY OF PLANTS AND ANIMALS USED FOR THE TREATMENT OF ACUTE RESPIRATORY INFECTIONS IN CHILDREN OF A TRADITIONAL COMMUNITY IN THE MUNICIPALITY OF BARBALHA, CEARÁ, BRAZIL. Afr J Tradit Complement Altern Med 2016; 13:166-175. [PMID: 28852733 PMCID: PMC5566141 DOI: 10.21010/ajtcam.v13i4.22] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND The use of natural resources for the treatment of acute respiratory infections in children is a widespread practice within traditional communities, especially by women by being the primary caregivers. This study aimed to perform ethnobiological survey of plants and animals used for the treatment of acute respiratory infections in children of a traditional community in the municipality of Barbalha, Ceará, Brazil. METHODS It is a descriptive exploratory study with a quantitative approach, developed in Sitio Santo Antonio, in the municipality of Barbalha, Ceará, Brazil. As a tool for data collection, was applied a questionnaire and a semi-structured interview. Data analysis used descriptive statistics (simple and percentage rate) and the Relative Frequency of Citation. RESULTS The research included a total of 54 informants. In total, there were 38 species cited. According to the Relative Frequency of Citation the following species were the most cited: Ocimum basilicum L. (0.59), Eucalyptus globulus Labili (0.59), Plectranthus amboinicus (L.) Spreng (0.42), Hyptis suaveolens (L.) Poit. (0.24), Allium aescalonicum L. (0.22) and Mentha arvensis L. (0.18). Among the symptoms mentioned by the research subjects to treat the acute respiratory infections in childhood, there were: fever; cough; coughing with secretions; sore throat; hoarseness; tiredness; nasal congestion. CONCLUSIONS It is important the knowledge about the usefulness of natural resources as alternative practices in diseases treatment, seeking to rescue popular knowledge used in the traditional community and fomenting the need to consider cultural aspects in the full practice to children's health care.
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Affiliation(s)
- Izabel Cristina Santiago Lemos
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Gyllyandeson de Araújo Delmondes
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Ana Deyva Ferreira Dos Santos
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Enaide Soares Santos
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Dayanne Rakelly de Oliveira
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | | | - Dailon de Araújo Alves
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Roseli Barbosa
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - Irwin Rose Alencar de Menezes
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | | | - Marta Regina Kerntopf
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
| | - George Pimentel Fernandes
- Department of Biological Chemistry, Laboratory of Molecular Chemistry and Pharmacology, Regional University of Cariri, Crato, Brazil
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Pastore CA, Pinho JA, Pinho C, Samesima N, Pereira-Filho HG, Kruse JCL, Paixão A, Pérez-Riera AR, Ribeiro AL, Oliveira CAR, Gomes CIG, Kaiser E, Galvão F, Darrieux FCC, França FFAC, Feitosa-Filho G, Germiniani H, Aziz JL, Leal MG, Molina M, Oliveira NMT, Oliveira PA, Sanches PCR, Almeida RM, Barbosa R, Teixeira RA, Douglas RAG, Gundim RS, Atanes SM. III Diretrizes da Sociedade Brasileira de Cardiologia sobre análise e emissão de laudos eletrocardiográficos. Arq Bras Cardiol 2016; 106:1-23. [DOI: 10.5935/abc.20160054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Jarvis GE, Barbosa R, Thompson AJ. Noncompetitive Inhibition of 5-HT3 Receptors by Citral, Linalool, and Eucalyptol Revealed by Nonlinear Mixed-Effects Modeling. J Pharmacol Exp Ther 2015; 356:549-62. [PMID: 26669427 PMCID: PMC5378937 DOI: 10.1124/jpet.115.230011] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 12/14/2015] [Indexed: 12/15/2022] Open
Abstract
Citral, eucalyptol, and linalool are widely used as flavorings, fragrances, and cosmetics. Here, we examined their effects on electrophysiological and binding properties of human 5-HT3 receptors expressed in Xenopus oocytes and human embryonic kidney 293 cells, respectively. Data were analyzed using nonlinear mixed-effects modeling to account for random variance in the peak current response between oocytes. The oils caused an insurmountable inhibition of 5‐HT–evoked currents (citral IC50 = 120 µM; eucalyptol = 258 µM; linalool = 141 µM) and did not compete with fluorescently labeled granisetron, suggesting a noncompetitive mechanism of action. Inhibition was not use‐dependent but required a 30-second preapplication. Compound washout caused a slow (∼180 seconds) but complete recovery. Coapplication of the oils with bilobalide or diltiazem indicated they did not bind at the same locations as these channel blockers. Homology modeling and ligand docking predicted binding to a transmembrane cavity at the interface of adjacent subunits. Liquid chromatography coupled to mass spectrometry showed that an essential oil extracted from Lippia alba contained 75.9% citral. This inhibited expressed 5‐HT3 receptors (IC50 = 45 µg ml−1) and smooth muscle contractions in rat trachea (IC50 = 200 µg ml−1) and guinea pig ileum (IC50 = 20 µg ml−1), providing a possible mechanistic explanation for why this oil has been used to treat gastrointestinal and respiratory ailments. These results demonstrate that citral, eucalyptol, and linalool inhibit 5-HT3 receptors, and their binding to a conserved cavity suggests a valuable target for novel allosteric modulators.
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Affiliation(s)
- Gavin E Jarvis
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom (G.E.J.); Mestrado em Bioprospecção Molecular, Universidade Regional do Cariri, Crato, Brazil (R.B.); and Department of Pharmacology, Cambridge, United Kingdom (A.J.T.)
| | - Roseli Barbosa
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom (G.E.J.); Mestrado em Bioprospecção Molecular, Universidade Regional do Cariri, Crato, Brazil (R.B.); and Department of Pharmacology, Cambridge, United Kingdom (A.J.T.)
| | - Andrew J Thompson
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, United Kingdom (G.E.J.); Mestrado em Bioprospecção Molecular, Universidade Regional do Cariri, Crato, Brazil (R.B.); and Department of Pharmacology, Cambridge, United Kingdom (A.J.T.)
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Matozinho H, Morais L, Faria V, Rimoldi L, Costa D, Cavalcante J, Slva F, Nogueira Y, Barbosa R, Naves W. Childhood arterial ischemic stroke: a review of risk factors. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.1398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Velho S, Duque S, Serpa M, Braco Forte C, Silva R, Moço S, Inácio C, Teixeira V, Barbosa R, Sarabando D, Carvalho I, Ferreira A, Chipepo Á, Francisco Júnior J, Pestana Araújo F, Pimenta da Graça J. P-373: Relationship between oral health and nutritional status in older patients admitted in a medical ward of a general hospital. Eur Geriatr Med 2015. [DOI: 10.1016/s1878-7649(15)30470-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Velho S, Braço Forte C, Serpa M, Duque S, Silva R, Moço S, Inácio C, Teixeira V, Barbosa R, Sarabando D, Carvalho I, Ferreira A, Chipepo Á, Junior J, da Graça J. SUN-PP110: Nutritional Status Assessment of Hospitalized Older Adults in an Internal Medicine Ward. Clin Nutr 2015. [DOI: 10.1016/s0261-5614(15)30261-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Sousa DG, Sousa SDG, Silva RER, Silva-Alves KS, Ferreira-da-Silva FW, Kerntopf MR, Menezes IRA, Leal-Cardoso JH, Barbosa R. Essential oil of Lippia alba and its main constituent citral block the excitability of rat sciatic nerves. ACTA ACUST UNITED AC 2015; 48:697-702. [PMID: 26132093 PMCID: PMC4541688 DOI: 10.1590/1414-431x20154710] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2015] [Accepted: 04/06/2015] [Indexed: 11/29/2022]
Abstract
Lippia alba is empirically used for infusions, teas, macerates, and
hydroalcoholic extracts because of its antispasmodic, analgesic, sedative, and
anxiolytic effects. Citral is a mixture of trans-geranial and cis-neral and is the
main constituent of L. alba essential oil and possesses analgesic,
anxiolytic, anticonvulsant, and sedative effects. The present study evaluated the
effects of the essential oil of L. alba (EOLa) and citral on
compound action potentials (CAPs) in Wistar rat sciatic nerves. Both drugs inhibited
CAP in a concentration-dependent manner. The calculated half-maximal inhibitory
concentrations (IC50) of peak-to-peak amplitude were 53.2 µg/mL and 35.00
µg/mL (or 230 µM) for EOLa and citral, respectively. Peak-to-peak amplitude of the
CAP was significantly reduced by 30 µg/mL EOLa and 10 µg/mL citral. EOLa and citral
(at 60 and 30 µg/mL, values close to their respective IC50 for CAP
blockade) significantly increased chronaxy and rheobase. The conduction velocity of
the first and second CAP components was statistically reduced to ∼86% of control with
10 µg/mL EOLa and ∼90% of control with 3 µg/mL citral. This study showed that EOLa
inhibited nerve excitability and this effect can be explained by the presence of
citral in its composition. Both EOLa and citral showed inhibitory actions at lower
concentrations compared with other essential oils and constituents with local
anesthetic activity. In conclusion, these data demonstrate that EOLa and citral are
promising agents in the development of new drugs with local anesthetic activity.
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Affiliation(s)
- D G Sousa
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
| | - S D G Sousa
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
| | - R E R Silva
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
| | - K S Silva-Alves
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - F W Ferreira-da-Silva
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - M R Kerntopf
- Laboratório de Farmacologia e Química Medicinal, Universidade Regional do Cariri, Crato, CE, Brasil
| | - I R A Menezes
- Laboratório de Farmacologia e Química Medicinal, Universidade Regional do Cariri, Crato, CE, Brasil
| | - J H Leal-Cardoso
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Universidade Estadual do Ceará, Fortaleza, CE, Brasil
| | - R Barbosa
- Laboratório de Fisiofarmacologia das Células Excitáveis, Universidade Regional do Cariri, Crato, CE, Brasil
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Lapa A, Barbosa R, Mendonça I, Souza M, Peres F, Marini R, Rittner L, França M, Bergo F, Cendes F, Appenzeller S. AB1021 Prevalence and Neuroimaging Correlates of Central Ataxia In Childhood-Onset Systemic Lupus Erythematosus. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Ricci F, Perez C, Santiago P, Guirro E, Marcolino A, Barbosa R, Fonseca M. Experimental protocol for kinematic analysis of the hand during the use of upper extremity orthosis. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.3289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Pedrosa A, Santos A, Ferreira M, Araújo C, Barbosa R, Medeiros L. Is carbon dioxide laser vaporization a valuable tool in the management of oral leukoplakia? A survey at an oncology hospital. Lasers Med Sci 2014; 30:1629-30. [PMID: 24570088 DOI: 10.1007/s10103-014-1551-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2014] [Accepted: 02/11/2014] [Indexed: 10/25/2022]
Affiliation(s)
- A Pedrosa
- Department of Dermatology and Venereology, Centro Hospitalar São João EPE, Alameda Prof. Hernani Monteiro, 4200-319, Porto, Portugal,
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Pereira A, Fradinho N, Barbosa R, Rebelo M, Choupina M, Pinho C, Ribeiro M. Orbitary exenteration—reconstruction strategies in a Portuguese tertiary cancer center. Int J Oral Maxillofac Surg 2013. [DOI: 10.1016/j.ijom.2013.07.450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Alves JSM, Leal-Cardoso JH, Santos-Júnior FFU, Carlos PS, Silva RC, Lucci CM, Báo SN, Ceccatto VM, Barbosa R. Limb immobilization alters functional electrophysiological parameters of sciatic nerve. Braz J Med Biol Res 2013; 46:715-21. [PMID: 23969978 PMCID: PMC3854417 DOI: 10.1590/1414-431x20132626] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2012] [Accepted: 05/03/2013] [Indexed: 11/22/2022] Open
Abstract
Immobilization, used in clinical practice to treat traumatologic problems, causes
changes in muscle, but it is not known whether changes also occur in nerves. We
investigated the effects of immobilization on excitability and compound action
potential (CAP) and the ultrastructure of the rat sciatic nerve. Fourteen days after
immobilization of the right leg of adult male Wistar rats (n=34), animals were killed
and the right sciatic nerve was dissected and mounted in a moist chamber. Nerves were
stimulated at a baseline frequency of 0.2 Hz and tested for 2 min at 20, 50, and 100
Hz. Immobilization altered nerve excitability. Rheobase and chronaxy changed from
3.13±0.05 V and 52.31±1.95 µs (control group, n=13) to 2.84±0.06 V and 59.71±2.79 µs
(immobilized group, n=15), respectively. Immobilization altered the amplitude of CAP
waves and decreased the conduction velocity of the first CAP wave (from 93.63±7.49 to
79.14±5.59 m/s) but not of the second wave. Transmission electron microscopy showed
fragmentation of the myelin sheath of the sciatic nerve of immobilized limbs and
degeneration of the axon. In conclusion, we demonstrated that long-lasting leg
immobilization can induce alterations in nerve function.
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Affiliation(s)
- J S M Alves
- Universidade Estadual do Ceará, Instituto Superior de Ciências Biomédicas, FortalezaCE, Brasil
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Netto L, Quarantini L, Pereira J, Feitosa J, Pettersen K, Duarte A, Loureiro A, Mundim D, Santana R, Albuquerque I, Barbosa R. 2017 – Clinical and socio-demographic characteristics of college students in the northeast of brazil exposed to traumatic experiences: a prevalence census study protocol. Eur Psychiatry 2013. [DOI: 10.1016/s0924-9338(13)76950-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Abstract
Removal batch assays of phosphates from a synthetic wastewater (SWW) and a pulp and paper mill wastewater (PPWW) with two forestry biomass ashes were performed. The supernatants were not only chemically characterized but also the ecotoxicity was determined using two organisms: Vibrio fischeri and Artemia franciscana. The addition of fly ash and bottom ash to the SWW in solid/liquid (S/L) ratios of 3.35 and 9.05 g L(-1), respectively, achieved removal percentages of phosphates >97% for both ashes. The addition of fly ash and bottom ash to the PPWW in S/L ratios of 34.45 and 46.59 g L(-1), respectively, yield removal percentages of phosphates >90% for both ashes. According to the results of the Langmuir and Freundlich isotherms, the removal of phosphates from the SWW was mainly explained by surface removal mechanisms, while the removal from the PPWW was partially explained by multi-layer mechanisms. The supernatants resulting from the treatment of SWW and PPWW with both biomass ashes did not present acute ecotoxicity.
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Affiliation(s)
- R Barbosa
- Faculdade de Ciências e Tecnologia, Department of Sciences and Technology of Biomass, Universidade Nova de Lisboa, Campus da Caparica, Edifício Departamental, Piso 3, gab. 364, 2829-516 Monte da Caparica, Portugal E-mail:
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Barreiros F, Barbosa R, Barbieri M, Guazzelli T, Torloni M, Araujo F, Guazzelli C. M132 CERVICAL CYTOLOGY OF WOMEN ON EXTENDED REGIMENS OF THE VAGINAL CONTRACEPTIVE RING VERSUS COMBINED ORAL CONTRACEPTIVE PILLS. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61327-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Guazzelli C, Barreiros F, Barbosa R, Torloni M, Barbieri M, Assis F, Araujo F. M122 LIPID PROFILE OF WOMEN ON EXTENDED REGIMENS OF COMBINED ORAL CONTRACEPTIVES: DO DIFFERENT TYPES OF PROGESTOGENS MAKE A DIFFERENCE? Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61317-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Barreiros F, Barbieri M, Barbosa R, Guazzelli T, Torloni M, Araujo F, Guazzelli C. M125 COMBINED ORAL CONTRACEPTIVES ON EXTENDED REGIMENS: EFFECTS ON INSULIN RESISTANCE ACCORDING TO TYPE OF PROGESTAGEN. Int J Gynaecol Obstet 2012. [DOI: 10.1016/s0020-7292(12)61320-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Joca HC, Cruz-Mendes Y, Oliveira-Abreu K, Maia-Joca RPM, Barbosa R, Lemos TL, Lacerda Beirão PS, Leal-Cardoso JH. Carvacrol decreases neuronal excitability by inhibition of voltage-gated sodium channels. J Nat Prod 2012; 75:1511-1517. [PMID: 22967040 DOI: 10.1021/np300050g] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The monoterpenoid carvacrol (1) is present in many essential oils of plants and has attracted attention because of its beneficial biological activities, especially analgesic activity. However, the mechanism of action of 1 remains unknown. The present study aimed to explore the mechanisms whereby 1 produces its effects on the peripheral nervous system. Carvacrol reversibly blocked the excitability of the rat sciatic nerve in a concentration-dependent manner with an IC(50) value of 0.50 ± 0.04 mM. At 0.6 mM, 1 increased the rheobase from 3.30 ± 0.06 V to 4.16 ± 0.14 V and the chronaxy from 59.6 ± 1.22 μs to 75.0 ± 1.82 μs. Also, 1 blocked the generation of action potentials (IC(50) 0.36 ± 0.14 mM) of the intact dorsal root ganglion (DRG) neurons without altering the resting potential and input resistance. Carvacrol reduced the voltage-gated sodium current of dissociated DRG neurons (IC(50) 0.37 ± 0.05 mM). In this study it has been demonstrated that 1 blocks neuronal excitability by a direct inhibition of the voltage-gated sodium current, which suggests that this compound acts as a local anesthetic. The present findings add valuable information to help understand the mechanisms implicated in the analgesic activity of carvacrol.
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Affiliation(s)
- Humberto Cavalcante Joca
- Laboratório de Eletrofisiologia, Instituto Superior de Ciências Biomédicas, Campus do Itaperi, Universidade Estadual do Ceará, Fortaleza, CE, Brazil
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Aguiar LA, Porto RS, Lahlou S, Ceccatto VM, Barbosa R, Lemos TLG, dos Santos HS, Coelho-de-Souza AN, Magalhães PJC, Zin WA, Leal-Cardoso JH. Antispasmodic effects of a new kaurene diterpene isolated from Croton argyrophylloides on rat airway smooth muscle. ACTA ACUST UNITED AC 2012; 64:1155-64. [PMID: 22775219 DOI: 10.1111/j.2042-7158.2012.01494.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVES The effects of rel-(1S,4aS,7S,8aS)-7-(1-vinyl)-tetradecahydro-1,4a-dimethylphenanthrene-7,8a-carbolactone-1-carboxylic acid (TCCA), a new ent-kaurene diterpene isolated from Croton argyrophylloides, on rat tracheal preparations were investigated. METHODS Tracheae were removed and cut into two-cartilage segments that were mounted in organ baths containing Tyrode's solution. RESULTS TCCA reduced the contractions induced by electrical field stimulation, relaxed K(+)-induced contractions, and inhibited both phasic and tonic components of the K(+)- and ACh-induced contractions. TCCA reduced the serotonin-induced contraction, abolished that evoked by K(+) in the presence of epinephrine, and also reduced the ACh-induced contractions under Ca(2+)-free conditions. TCCA blocked contractions that depend on divalent cation inflow through voltage-operated Ca(2+) channels (VOCCs) and receptor-operated Ca(2+) channels (ROCCs), but had greater potency to block VOCC- than ROCC-dependent contractions or contractions induced by ACh in Ca(2+)-free conditions. TCCA relaxed the phorbol 12,13 dibutyrate (1 µm) induced contraction, but with slight potency. CONCLUSIONS TCCA induces an antispasmodic effect through several mechanisms including blockade of either VOCCs (with greater potency) or ROCCs, blockade of IP(3)-induced Ca(2+) release from sarcoplasmic reticulum (with intermediate potency) and reduction of the sensitivity of contractile proteins to Ca(2+).
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Affiliation(s)
- Liza Araújo Aguiar
- Electrophysiology Laboratory, Superior Institute of Biomedical Sciences, State University of Ceará, Fortaleza, Brazil
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Bernardo M, Gonçalves M, Lapa N, Barbosa R, Mendes B, Pinto F. Characterization of chars produced in the co-pyrolysis of different wastes: decontamination study. J Hazard Mater 2012; 207-208:28-35. [PMID: 21899951 DOI: 10.1016/j.jhazmat.2011.07.115] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2010] [Revised: 06/03/2011] [Accepted: 07/19/2011] [Indexed: 05/31/2023]
Abstract
The present work is devoted to the study of the decontamination of chars obtained in the co-pyrolysis of plastics, biomass and tyre wastes. The chars were extracted with several organic solvents of different polarities either individually or in sequence. The ability of each selected extractant to remove toxic pollutants was evaluated by comparing the extraction yields and by characterizing the crude extracts with a combination of chemical analysis and toxicity bioassays. Also, the mineral composition of the treated and non-treated chars was assessed. The results obtained in this study indicate that hexane is the more efficient extraction solvent to be used in the organic decontamination of chars obtained in the co-pyrolysis of plastics, tyres and biomass. A sequential extraction with solvents of increasing polarity can provide a better decontamination of the raw pyrolysis char than any individual extraction. The compounds removed from the char during the decontamination process are mainly aliphatic hydrocarbons and aromatic hydrocarbons, therefore a material that may be upgraded to be used as a fuel and/or as raw material for the organic chemical industry.
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Affiliation(s)
- M Bernardo
- Unidade de Biotecnologia Ambiental, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.
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Leal-Cardoso JH, da Silva-Alves KS, Ferreira-da-Silva FW, dos Santos-Nascimento T, Joca HC, de Macedo FHP, de Albuquerque-Neto PM, Magalhães PJC, Lahlou S, Cruz JS, Barbosa R. Linalool blocks excitability in peripheral nerves and voltage-dependent Na+ current in dissociated dorsal root ganglia neurons. Eur J Pharmacol 2010; 645:86-93. [DOI: 10.1016/j.ejphar.2010.07.014] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2010] [Revised: 06/24/2010] [Accepted: 07/11/2010] [Indexed: 10/19/2022]
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Santos-Júnior FFU, Alves JSM, Machado AAN, Carlos PS, Ferraz ASM, Barbosa R, Leal-Cardoso JH, Ceccatto VM. Alterações morfométricas em músculo respiratório de ratos submetidos à imobilização de pata. REV BRAS MED ESPORTE 2010. [DOI: 10.1590/s1517-86922010000300012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
A imobilização é um recurso frequentemente utilizado na prática clínica, sendo comum em patologias álgicas e nas fraturas. O objetivo deste estudo foi analisar a influência do processo de imobilização em músculo do sistema respiratório, o diafragma. O experimento foi efetuado com 12 ratos Wistar machos divididos em dois grupos, controle e imobilizado. O procedimento de imobilização foi realizado através de um método alternativo de imobilização por fita adesiva, sendo mantida por duas semanas. Analisou-se a morfometria das fibras do diafragma com coloração de hematoxilina e eosina. Ao compararmos o diâmetro médio das fibras musculares do diafragma dos animais imobilizados (47,15μm ± 0,329μm) em relação ao controle (54,67μm ± 0,396μm), encontramos diferença estatística entre os grupos (p < 0,0001). Considerando os dados encontrados, foi possível concluir que a imobilização de pata, no modelo utilizado, foi capaz de gerar hipotrofia da musculatura respiratória, assim como um quadro geral de redução de massa corporal do animal.
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