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Cechinel-Zanchett CC, Bolda Mariano LN, Schlickmann F, Cechinel-Filho V, de Souza P. In vitro effects of 2 bioactive compounds, gallic acid and methyl gallate, on urolithiasis. Actas Urol Esp 2021; 45:S0210-4806(21)00093-0. [PMID: 34127284 DOI: 10.1016/j.acuro.2020.09.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [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: 06/29/2020] [Accepted: 09/22/2020] [Indexed: 11/23/2022]
Abstract
INTRODUCTION AND OBJECTIVES This study aimed to evaluate the role of 2 widely distributed natural phenolic compounds, gallic acid (GA) and methyl gallate (MG), in an in vitro model of urolithiasis, by using the methodology of calcium oxalate crystals formation, which is the most common type of urinary or kidney stones. MATERIAL AND METHODS The compounds GA and MG were subjected to anti-crystallization activities in different concentrations (0.003-0.03mg/mL), and the quantity and morphology of crystals were determined by microscopy after 60min. RESULTS GA inhibited about 44-57% of the total calcium oxalate crystals formation, while MG inhibited about 48.35%, when compared to vehicle-exposed samples (distilled water; negative control group). GA and MG exposure inhibited monohydrate type calculi formation, which is considered the most common and harmful crystal category. The compounds also decreased absorbance, which in turn is related to reduced calcium oxalate crystals aggregation and precipitation. CONCLUSIONS Altogether, this study shows, for the first time, that GA and MG are promising compounds with antiurolithiatic properties, opening new perspectives for future in vivo evaluations of the potential of these compounds in the treatment and/or prevention of urinary or kidney stones.
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Affiliation(s)
- C C Cechinel-Zanchett
- Programa de Pós-graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brasil
| | - L N Bolda Mariano
- Programa de Pós-graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brasil
| | - F Schlickmann
- Programa de Pós-graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brasil
| | - V Cechinel-Filho
- Programa de Pós-graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brasil
| | - P de Souza
- Programa de Pós-graduação em Ciências Farmacêuticas, Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), Itajaí, Santa Catarina, Brasil.
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Bertocco ARP, Migacz IP, Santos VLP, Franco CRC, Silva RZ, Yunes RA, Cechinel-Filho V, Budel JM. Microscopic diagnosis of the leaf and stem ofPiper solmsianumC.DC. Microsc Res Tech 2017; 80:831-837. [DOI: 10.1002/jemt.22870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 02/12/2017] [Accepted: 03/12/2017] [Indexed: 11/07/2022]
Affiliation(s)
- A. R. P. Bertocco
- Departamento de Ciências Farmacêuticas; Universidade Estadual de Ponta Grossa (UEPG); Ponta Grossa Paraná Brasil
| | - I. P. Migacz
- Departamento de Ciências Farmacêuticas; Universidade Estadual de Ponta Grossa (UEPG); Ponta Grossa Paraná Brasil
| | - V. L. P. Santos
- Escola Superior de Saúde; Meio Ambiente, Sustentabilidade e Humanidades, Centro Universitário Internacional Uninter; Curitiba Paraná Brasil
| | - C. R. C. Franco
- Departamento de Biologia Celular; Universidade Federal do Paraná (UFPR); Curitiba Paraná Brasil
| | - R. Z. Silva
- Departamento de Ciências Farmacêuticas; Universidade Estadual de Ponta Grossa (UEPG); Ponta Grossa Paraná Brasil
| | - R. A. Yunes
- Departamento de Química; Universidade Federal de Santa Catarina (UFSC); Florianópolis Santa Catarina Brasil
| | - V. Cechinel-Filho
- Núcleo de Investigações Químico-Farmacêuticas NIQFAR/CCS; Universidade do Vale do Itajaí (UNIVALI); Itajaí Santa Catarina Brasil
| | - J. M. Budel
- Departamento de Ciências Farmacêuticas; Universidade Estadual de Ponta Grossa (UEPG); Ponta Grossa Paraná Brasil
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Simões LO, Conceição-Filho G, Ribeiro TS, Jesus AM, Fregoneze JB, Silva AQG, Petreanu M, Cechinel-Filho V, Niero R, Niero H, Tamanaha MS, Silva DF. Evidences of antihypertensive potential of extract from Solanum capsicoides All. in spontaneously hypertensive rats. Phytomedicine 2016; 23:498-508. [PMID: 27064009 DOI: 10.1016/j.phymed.2016.02.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 01/19/2016] [Accepted: 02/20/2016] [Indexed: 06/05/2023]
Abstract
BACKGROUND Solanum capsicoides All. is morphologically similar to Solanum sisymbriifolium Lam. which is used in folk medicine in South America for antihypertensive and diuretics purposes. This similarity has led to species identification errors, which therefore may result in errors by patients. PURPOSE To evaluate the antihypertensive and diuretics potential of the methanol extract from Solanum capsicoides All. (MeOH-Sc), in vitro and in vivo, in spontaneously hypertensive rats (SHR). METHODS Initial experiments were performed in rat mesenteric artery to evaluate the in vitro vascular effect of MeOH-Sc and its fractions, in addition to the mechanisms involved during the observed effect. Mean arterial pressure (MAP) and heart rate (HR) were recorded in non-anesthetised hypertensive and normotensive rats. In another set of experiments, MeOH-Sc was administered for 21 consecutive days. Daily body weight measurements were conducted and MAP, HR and urinary volume were measured every 5 days. The mesenteric artery from treated animals was tested for phenylephrine and sodium nitroprussiate (SNP) sensitivity. RESULTS Initially, MeOH-Sc and fractions relaxed phenylephrine-induced contractions in mesenteric artery rings. The vasorelaxant effect was not changed in the presence of a blocker of eNOS (L-NAME) in rings with an intact endothelium. In denuded-endothelium rings, the vasorelaxant response was significantly reduced in the presence of a cAMP inhibitor (SQ 22536 10 µM) in SHR but not in Wistar Kyoto rats (WKY). However, in the presence of a cGMP inhibitor (ODQ 10 µM), a curve shift to the right was observed in WKY animals, but not in SHR. Intravenous bolus injections of MeOH-Sc into non-anesthetised SHR and WKY, induced hypotension that was associated with an increase in HR. A significant antihypertensive effect was observed in animals that received MeOH-Sc orally for 21 days, which also prevented the development of cardiac hypertrophy. Urine volume from animals treated with MeOH-Sc significantly increased. Finally, MeOH-Sc induced beneficial changes in vascular responsiveness. CONCLUSION MeOH-Sc has a potential antihypertensive effect in SHR.
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Affiliation(s)
- L O Simões
- Laboratório de Fisiologia e Farmacologia Endócrina e Cardiovascular, Departamento de Biorregulação, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, Vale do Canela, BA 40110-902 Salvador, Brazil
| | - G Conceição-Filho
- Laboratório de Fisiologia e Farmacologia Endócrina e Cardiovascular, Departamento de Biorregulação, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, Vale do Canela, BA 40110-902 Salvador, Brazil
| | - T S Ribeiro
- Laboratório de Fisiologia e Farmacologia Endócrina e Cardiovascular, Departamento de Biorregulação, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, Vale do Canela, BA 40110-902 Salvador, Brazil
| | - A M Jesus
- Laboratório de Fisiologia e Farmacologia Endócrina e Cardiovascular, Departamento de Biorregulação, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, Vale do Canela, BA 40110-902 Salvador, Brazil
| | - J B Fregoneze
- Laboratório de Neurociências, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon,Vale do Canela, BA 40110-902, Salvador, Brazil
| | - A Q G Silva
- Laboratório de Neurociências, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon,Vale do Canela, BA 40110-902, Salvador, Brazil
| | - M Petreanu
- Programa de Pós Graduação em Ciências Farmacêuticas e Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Curso de Farmácia, CCS/UNIVALI, Rua Uruguai, 450, Centro, SC 88302-901, Itajaí, (Brazil
| | - V Cechinel-Filho
- Programa de Pós Graduação em Ciências Farmacêuticas e Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)-Curso de Farmácia, CCS/UNIVALI, Rua Uruguai, 450, Centro, SC 88302-901, Itajaí, (Brazil
| | - R Niero
- Laboratório de Estudos sobre Algas Nocivas (LEAN), Centro de Ciências Tecnológicas da Terra e do Mar - CTTMar, Rua Uruguai, 450, Centro, SC 88302-901, Itajai, Brazil
| | - H Niero
- Laboratório de Estudos sobre Algas Nocivas (LEAN), Centro de Ciências Tecnológicas da Terra e do Mar - CTTMar, Rua Uruguai, 450, Centro, SC 88302-901, Itajai, Brazil
| | - M S Tamanaha
- Laboratório de Estudos sobre Algas Nocivas (LEAN), Centro de Ciências Tecnológicas da Terra e do Mar - CTTMar, Rua Uruguai, 450, Centro, SC 88302-901, Itajai, Brazil
| | - D F Silva
- Laboratório de Fisiologia e Farmacologia Endócrina e Cardiovascular, Departamento de Biorregulação, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Avenida Reitor Miguel Calmon, Vale do Canela, BA 40110-902 Salvador, Brazil..
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Campos-Buzzi F, Fracasso M, Clasen BK, Ticona JC, Gimenez A, Cechinel-Filho V. Evaluation of antinociceptive effects of Galipea longiflora alkaloid extract and major alkaloid 2-phenylquinoline. ACTA ACUST UNITED AC 2011; 32:707-11. [PMID: 21225005 DOI: 10.1358/mf.2010.32.10.1516692] [Citation(s) in RCA: 7] [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: 10/18/2022]
Abstract
The present study evaluated the antinociceptive properties of an alkaloid extract and 2-phenylquinoline obtained from the bark of Galipea longiflora Krause (Rutaceae) against different models of pain in mice. The results demonstrate that the alkaloid extract caused a pronounced antinociceptive effect with the main alkaloid detected, 2-phenylquinoline, exhibiting moderate activity. The alkaloid extract had a calculated ID50 value of 20.3 mg/kg i.p. and less than 50 mg/kg p.o. against the writhing test which proved to be more effective than the reference drugs when administered by both routes. The ID50 of 2-phenylquinoline was 52.8 mg/kg i.p. with an inhibition of 24.5% when administered orally at 100 mg/kg. In the formalin test the alkaloid extract, but not 2-phenylquinoline, significantly inhibited both phases of pain (neurogenic and inflammatory) at 10 mg/kg i.p. with inhibitions of 37.4% and 58.3%, respectively. The alkaloid extract and 2-phenylquinoline caused only a modest effect in the capsaicin and glutamate tests. In the hot plate test, the alkaloid extract increased the latency time by 25.6% at 10 mg/kg i.p. compared to 2-phenylquinoline which was less effective. It appears that the antinociceptive effects of this plant may be attributed, at least in part, to the presence of some antinociceptive alkaloids in minor concentrations.
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Affiliation(s)
- F Campos-Buzzi
- Programa de Mestrado em Ciências Farmacêuticas e Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí - UNIVALI, Itajaí, Santa Catarina, Brazil
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5
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De Souza MM, Pereira MA, Ardenghi JV, Mora TC, Bresciani LF, Yunes RA, Delle Monache F, Cechinel-Filho V. Filicene obtained from Adiantum cuneatum interacts with the cholinergic, dopaminergic, glutamatergic, GABAergic, and tachykinergic systems to exert antinociceptive effect in mice. Pharmacol Biochem Behav 2009; 93:40-6. [PMID: 19375449 DOI: 10.1016/j.pbb.2009.04.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2008] [Revised: 03/19/2009] [Accepted: 04/02/2009] [Indexed: 11/18/2022]
Abstract
In the present study, we describe the antinociceptive effect of filicene, a triterpene isolated from Adiantum cuneatum (Adiantaceae) leaves, in several models of pain in mice. When evaluated against acetic acid-induced abdominal constrictions, filicene (10, 30 and 60 mg/kg, i.p.) produced dose-related inhibition of the number of constrictions, being several times more potent [ID(50)=9.17 (6.27-13.18) mg/kg] than acetaminophen [ID(50)=18.8 (15.7-22.6) mg/kg], diclofenac [ID(50)=12.1(9.40-15.6) mg/kg] and acetylsalicylic acid [ID(50)=24.0(13.1-43.8) mg/kg] in the same doses as those used for the standard drugs. Filicene also produced dose-related inhibition of the pain caused by capsaicin and glutamate, with mean ID(50) values of 11.7 (8.51-16.0) mg/kg and <10 mg/kg, respectively. Its antinociceptive action was significantly reversed by atropine, haloperidol, GABA(A) and GABA(B) antagonists (bicuculline and phaclofen, respectively), but was not affected by L-arginine-nitric oxide, serotonin, adrenergic and the opioid systems. Together, these results indicate that the mechanisms involved in its action are not completely understood, but seem to involve interaction with the cholinergic, dopaminergic, glutamatergic, GABAergic and tachykinergic systems.
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MESH Headings
- Acetic Acid/toxicity
- Adiantum/chemistry
- Analgesics/administration & dosage
- Analgesics/chemistry
- Analgesics/isolation & purification
- Analgesics/pharmacology
- Animals
- Capsaicin/toxicity
- Disease Models, Animal
- Dose-Response Relationship, Drug
- Glutamic Acid/toxicity
- Male
- Mice
- Molecular Structure
- Pain/drug therapy
- Pain/physiopathology
- Phytotherapy
- Plants, Medicinal/chemistry
- Receptors, Cholinergic/drug effects
- Receptors, Cholinergic/physiology
- Receptors, Dopamine/drug effects
- Receptors, Dopamine/physiology
- Receptors, GABA/drug effects
- Receptors, GABA/physiology
- Receptors, Neurotransmitter/drug effects
- Receptors, Neurotransmitter/physiology
- Receptors, Tachykinin/drug effects
- Receptors, Tachykinin/physiology
- Triterpenes/administration & dosage
- Triterpenes/chemistry
- Triterpenes/isolation & purification
- Triterpenes/pharmacology
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Affiliation(s)
- M M De Souza
- Programa de Mestrado em Ciências Farmacêuticas e Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade do Vale do Itajaí (UNIVALI), 88302-202, Itajaí, SC, Brazil
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6
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Morsch M, Girardi LGJ, Cechinel-Filho V, Meyre-Silva C, Rodrigues CA. The use of chitosan modified with glutaraldehyde and glyoxal as chromatographic support for the separation of flavonoids from Aleurites moluccana leaves. Pharmazie 2006; 61:670-2. [PMID: 16964707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
This paper describes the preparation of chitosan modified with dialdehydes, glutaraldehyde (CH-Glu) and glyoxal (CH-Gly) and its application in the isolation of the flavonoids swertisin and 2"-O-rhamnosylswertisin from A. mollucana. The additional non-polar alkyl groups increase the hydrophobicity of the sorbent. The results show that the separation was mediated by hydrophobic interaction (CH-Glu), as well as hydrogen bonding, between phenolic OH or rhamnosil residues from the flavonoids, and the free amine groups (CH-Gly).
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Affiliation(s)
- M Morsch
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Curso de Farmácia/CCS, Universidade do Vale do Itajaí, Brasil
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7
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Meyre-Silva C, Yunes RA, Schlemper V, Campos-Buzzi F, Cechinel-Filho V. Analgesic potential of marrubiin derivatives, a bioactive diterpene present in Marrubium vulgare (Lamiaceae). ACTA ACUST UNITED AC 2005; 60:321-6. [PMID: 15848207 DOI: 10.1016/j.farmac.2005.01.003] [Citation(s) in RCA: 53] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2004] [Revised: 12/20/2004] [Accepted: 01/07/2005] [Indexed: 11/29/2022]
Abstract
Marrubiin, a furane labdane diterpene, is the main analgesic compound present in Marrubium vulgare, a medicinal plant used in Brazil and other countries to treat several ailments. Considering its important pharmacological action, as well as its high yield, some structural modifications were performed in order to obtain more active compounds. Success was obtained in reducing the lactonic function, in the formation of marrubiinic acid and two esterified derivatives, which exhibited significant analgesic effect against the writhing test in mice. Marrubiinic acid showed better activity and excellent yield, and its analgesic effect was confirmed in other experimental models of pain in mice, suggesting its possible use as a model to obtain new and potent analgesic agents.
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Affiliation(s)
- C Meyre-Silva
- Núcleo de Investigações Químico-Farmacêuticas/Curso de Farmácia-CCS, Universidade do Vale do Itajaí, Itajaí-SC, Brazil
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8
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Isaias DEB, Niero R, Noldin VF, de Campos-Buzzi F, Yunes RA, Delle-Monache F, Cechinel-Filho V. Pharmacological and phytochemical investigations of different parts of Calophyllum brasiliense (Clusiaceae). Pharmazie 2004; 59:879-81. [PMID: 15587592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
Continuing our search for antinociceptive agents from natural sources, this study analyzed the antinociceptive effects of some fractions obtained from different parts (roots, flowers and fruits) of Calophyllum brasiliense, a Brazilian medicinal plant used to treat several diseases, including inflammation and pain. For this purpose, the writhing and formalin induced-pain models in mice were used. We also analyzed the chemical composition of these different parts and tested two pure compounds isolated from chloroform fraction (roots) identified as friedelin (1) and 1,5-dihydroxyxanthone (3), by direct comparison with authentic samples. The results showed that some fractions and both compounds exhibited considerable antinociception properties, particularly against the writhing test, and that these are more potent than acetyl salicylic acid and acetaminophen, two reference drugs used here for comparison.
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Affiliation(s)
- D E B Isaias
- Programa de Mestrado em Ciências Farmacêuticas e Núcleo de Investigações Químico Farmacêuticas/CCS, Universidade do Vale do Itajaí, Itajaí, SC, Brazil
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9
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Girardi LGJ, Morsch M, Cechinel-Filho V, Meyre-Silva C, Rodrigues CA. Isolation of flavonoids from Aleurites moluccana using chitosan modified with benzaldehyde (CH-Bz) as chromatographic support. Pharmazie 2003; 58:629-30. [PMID: 14531457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
This paper describes the preparation, characterization and use of a derivative of chitosan as a chromatographic sorbent. Chitosan modified with benzenic ring (CH-Bz) was used to separate two flavonoids, swertisin and 2"-O-rhamnosylswertisin, from ethyl acetate fraction of Aleurites moluccana. The results showed that CH-Bz can be used as a sorbent for the separation of flavonoid compounds. The studies showed that CH-Bz in column chromatography produces goods results, separation of the flavonoid compounds.
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Affiliation(s)
- L G J Girardi
- Núcleo de Investigações Químico-Farmacêuticas, Curso de Farmácia/CCS, Universidade do Vale do Itajaí (UNIVALI), Itajaí, SC, Brasil
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10
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Pedrosa RC, Meyre-Silva C, Cechinel-Filho V, Benassi JC, Oliveira LFS, Zancanaro V, Dal Magro J, Yunes RA. Hypolipidaemic activity of methanol extract of Aleurites moluccana. Phytother Res 2002; 16:765-8. [PMID: 12458484 DOI: 10.1002/ptr.1046] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The lipid-lowering action of the leaves of the Aleurites moluccana methanol extract was studied in Triton W-1339 and high-fat-diet fed rats. The serum lipids (total cholesterol, LDL- and HDL-cholesterol and triglycerides) and body weight were found to be lowered by A. moluccana (300 mg/kg, b.w.) in rats with Triton-induced hypercholesterolaemia and on a hyperlipaemic diet. The results suggest that the lipid lowering action of this natural product is mediated through inhibition of hepatic cholesterol biosynthesis and reduction of lipid absorption in the intestine.
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Affiliation(s)
- R C Pedrosa
- Departamento de Bioquímica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina - UFSC, Florianópolis - SC, Brazil
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11
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Scheidt C, Santos ARS, Ferreira J, Malheiros A, Cechinel-Filho V, Yunes RA, Calixto JB. Evidence for the involvement of glutamatergic receptors in the antinociception caused in mice by the sesquiterpene drimanial. Neuropharmacology 2002; 43:340-7. [PMID: 12243763 DOI: 10.1016/s0028-3908(02)00117-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Drimanial, a new sesquiterpene isolated from the barks of the plant Drimys winteri (Winteraceae), given systemically, intraplantarly, or by spinal or supraspinal routes, produced pronounced antinociception against both phases of formalin-induced licking. The systemic injection of drimanial also inhibited, in a graded manner, the pain-related behaviours induced by intraplantar or intrathecal (i.t.) administration of glutamate. Moreover, drimanial also caused marked inhibition of the nociception induced by i.t. administration of a metabotropic glutamate agonist (1S,3R)-ACPD, without affecting nociceptive responses induced by ionotropic agonists (NMDA, kainate, AMPA) or by substance P. The antinociception caused by drimanial was not influenced by naloxone, nor did it interfere with the motor coordination of animals in the rota-rod test. Furthermore, drimanial caused graded inhibition of [(3)H]glutamate binding in cerebral cortical membranes from mice, with an IC(50) value of 4.39 micro M. Together, these results provide strong evidence indicating that the sesquiterpene drimanial produces antinociception in mice at peripheral, spinal and supraspinal sites. An interaction with metabotropic glutamate receptors seems to contribute to the mechanisms underlying its antinociceptive action.
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Affiliation(s)
- C Scheidt
- Department of Pharmacology, Center of Biological Sciences, UFSC, Florianópolis, SC, Brazil
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12
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Niero R, Kanegusuku M, Souza MM, Yunes RA, Cechinel-Filho V. Antinociceptive action of extracts and fractions from Rubus imperialis (Rosaceae). Therapie 2002; 57:242-5. [PMID: 12422534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023]
Abstract
Rubus imperialis is a Brasilian medicinal plant which previously exhibited therapeutical perspectives. This work describes the antinociceptive action of methanolic extracts obtained from different parts of the plant (roots and branches) as well as hexane, chloroform and ethyl acetate fractions obtained from branches. Such extracts or fractions caused significative inhibition in the writhing test in mice at 10 mg/kg, given intraperitoneally. They were more active than two reference drugs, aspirin and paracetamol. The fractions also exhibited antinociceptive activity in the writhing test when administered orally at 200 mg/kg. When analyzed in the formalin test, the chloroform fraction was the most active, causing considerable inhibition against both neurogenic and inflammatory phases of pain.
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Affiliation(s)
- R Niero
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), CCS, Universidade do Vale do Itajaí (UNIVALDI), Brazil.
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13
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Meyre-Silva C, Yunes RA, Delle Monache F, Santos AR, Schmeling LO, Gadotti VM, Liz F, Cechinel-Filho V. Phytochemical and pharmacological analysis of Bauhinia microstachya (Raddi) Macbr. (Leguminosae). Z NATURFORSCH C 2001; 56:939-42. [PMID: 11837679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Abstract
This paper describes the isolation of four phytoconstituents from the leaves of Bauhinia microstachya, a Brazilian medicinal plant used in folk medicine for the treatment of several ailments. Based on spectroscopic evidence, these compounds were identified as methyl gallate (1), kaempferol 3-O-rhamnosyl (2), quercitrin (3) and myricitrin (4). The crude methanolic extract and two compounds (3 and 4) were tested as analgesic using the writhing test in mice. The extract and compound 3 caused potent and dose-related analgesic effects, confirming the popular use of this plant for the treatment dolorous processes.
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Affiliation(s)
- C Meyre-Silva
- Departamento de Química, Universidade Federal de Santa Catarina UFSC, Florianópolis, SC, Brazil
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14
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Otuki MF, Lima FV, Malheiros A, Cechinel-Filho V, Delle Monache F, Yunes RA, Calixto JB. Evaluation of the antinociceptive action caused by ether fraction and a triterpene isolated from resin of Protium kleinii. Life Sci 2001; 69:2225-36. [PMID: 11669465 DOI: 10.1016/s0024-3205(01)01310-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
This study investigates the antinociception caused by i.p. and p.o. administration of ether fraction and the triterpene identified as urs-12-ene-3beta-16beta-diol, known as Brein, isolated from Protium kleinii in several models of nociception in mice. The systemic administration of ether fraction (0.3 to 10 mg/kg, i.p. or 3 to 60 mg/kg, p.o.) caused a dose-related antinociception when assessed against acetic acid-induced writhing, with mean ID50 values of 1.2 and 16.4 mg/kg, respectively. The ether fraction (5 to 60 mg/kg, i.p. or 30 to 300 mg/kg, p.o.) also produced dose-related inhibition of both phases of formalin induced licking. The mean ID50s values for the early phase were > 60.0 and 62.1 mg/kg, while for the late phase they were 15.4 and 60.0 mg/kg, respectively, given by i.p. and p.o. routes. The ether fraction (3 to 30 mg/kg, i.p. or 10 to 100 mg/kg, p.o.) produced significant inhibition of the neurogenic nociception caused by topical injection of capsaicin, with mean ID50 values of 6.2 and 16.0 mg/kg, respectively. Given orally (1 to 30 mg/kg) the ether fraction produced graded and pronounced inhibition of glutamate-induced hyperalgesia in mice with a mean ID50 value of 15.2 mg/kg. In contrast, the ether fraction failed to produce antinociception when assessed in the thermal model of pain, the tail flick and hot plate tests. The antinociception caused by the ether fraction, in contrast to that of morphine, was not reversed by naloxone when assessed in the formalin-induced licking. The ether fraction did not affect motor coordination or the core body temperature in mices. The triterpene Brein isolated from P. kleinii, given by i.p. route (10 to 100 mg/kg) produced dose-related inhibition of both phases of formalin induced-licking, with mean ID50s values of 15.3 and 20.6 for the early and the late phases, respectively. These data show that the active principle(s) present in the ether fraction from the resin of P. kleinii elicited pronounced antinociception when assessed by i.p. or p.o routes, against both inflammatory and neurogenic nociception. Such effects seem, at least in part, to be related to the presence of the triterpene Brein in the extract. The mechanisms responsible for the antinociceptive action are at this moment not completely understood, but the involvement of the opioid pathway seems unlikely.
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Affiliation(s)
- M F Otuki
- Department of Pharmacology, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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15
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da Silva KL, dos Santos AR, Mattos PE, Yunes RA, Delle-Monache F, Cechinel-Filho V. Chemical composition and analgesic activity of Calophyllum brasiliense leaves. Therapie 2001; 56:431-4. [PMID: 11677868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
This paper describes a phytochemical and pharmacological study with Calophyllum brasiliense leaves, a medicinal plant employed in folk medicine for the treatment of several ailments. Based on spectroscopic evidence, five phenolic compounds were identified as hyperin (hyperoside), amentoflavone, quercetin, gallic acid, and protocatechuic acid. The fractions and some phenolic compounds exhibited significant analgesic activity against the writhing test and in relation to the second phase (inflammatory pain) of the formalin test in mice, suggesting that this plant can be useful for the treatment of dolorous processes.
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Affiliation(s)
- K L da Silva
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)/CCS, Universidade do Vale de Itajaí (UNIVALI), Rua Uruguai No. 458, C. Posta 88302-202, Itajaí SC, Brazil
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16
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Novaes AP, Rossi C, Poffo C, Pretti Júnior E, Oliveira AE, Schlemper V, Niero R, Cechinel-Filho V, Bürger C. Preliminary evaluation of the hypoglycemic effect of some Brazilian medicinal plants. Therapie 2001; 56:427-30. [PMID: 11677867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
The hypoglycemic effect of five Brazilian medicinal plants (Epidendrum monsenii, Marrubium vulgare, Rheedia gardneriana, Rubus imperialis and Wedelia paludosa) was studied on alloxan-induced diabetic rats. The extract of these plants was intragastrically administered to diabetic rats. The results showed that all plants studied (except R. gardneriana) significantly lowered the blood glucose. These results suggest that these four medicinal plants could be an adjuvant agent in the treatment of diabetes mellitus.
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Affiliation(s)
- A P Novaes
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Centro de Ensino Superior em Ciências da Saúde (CCS), Universidade do Vale do Itajaí, UNIVALI, Rua Uruguai 458, 88302-202, Itajaí, SC, Brazil
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Abstract
The antibacterial effects of extracts obtained from Persea cordata stem bark, employed in Brazil to treat infectious diseases, were studied. The ethyl acetate fraction of the hydroalcoholic extract showed activity against pathogenic bacteria which may justify the popular use of the plant.
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Affiliation(s)
- S R Schlemper
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)/CCS, Universidade do Vale do Itajaí (UNIVALI), 88302-202, Itajaí-SC, Brazil
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18
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Catapan E, Otuki MF, Viana AM, Yunes RA, Bresciani LF, Ferreira J, Santos AR, Calixto JB, Cechinel-Filho V. Pharmacological activity and chemical composition of callus culture extracts from selected species of Phyllanthus. Pharmazie 2000; 55:945-6. [PMID: 11189874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
This study was conducted in order to determine the chemical composition and the possible antinociceptive effects in mice of some species of Phyllanthus in vitro. The methanolic extracts obtained from callus cultures of P. fraternus, P. stipulatus and P. caroliniensis caused significant inhibition in to the late phase of the formalin test, whereas the extract from P. urinaria inhibited both neurogenic and inflammatory phases of the test. Conventional chromatographic methods (TLC, GC) permitted the detection of some steroids or triterpenes, including beta-sitosterol, glochidonol and glochidone, which seem be responsible for the antinociceptive effects of the callus extracts studied.
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Affiliation(s)
- E Catapan
- Departamento de Botânica, Universidade Federal de Santa Catarina (UFSC), Florianópolis, SC, Brasil
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Stiz DS, Souza MM, Golin V, Neto RA, Corrêa R, Nunes RJ, Yunes RA, Cechinel-Filho V. Antinociceptive properties of N-aryl-glutaramic acids and N-aryl-glutarimides. Pharmazie 2000; 55:942-4. [PMID: 11189873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
This study describes the antinociceptive activity of some N-aryl-glutaramic acids and N-aryl-glutarimides in writhing and formalin tests, two classical models of pain in mice. These compounds show high activity, being more active than acetyl salycilic acid, acetaminophen and indomethacin, used as standard drugs for comparison. The introduction of different substituent groups in the aromatic ring caused a significant change in activity. The results obtained here are promising from a pharmacological point of view, since these simple compounds might be used as models to obtain new and potent analgesic drugs.
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Affiliation(s)
- D S Stiz
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)/CCS, Universidade do Vale do Itajaí (UNIVALI), Itajaí-SC, Brasil
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20
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Rodrigues CA, Oliveira AE, Willain FR, Cechinel-Filho V, Guimarães CL, Yunes RA, Delle Monache F. Separation of biflavonoids from Rheedia gardneriana using chitin-Fe complex as stationary phase. Pharmazie 2000; 55:699-700. [PMID: 11031779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Affiliation(s)
- C A Rodrigues
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Curso de Farmácia/CCS, Universidade do Vale do Itajaí (UNIVALI), Brazil
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21
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De Jesus RA, Cechinel-Filho V, Oliveira AE, Schlemper V. Analysis of the antinociceptive properties of marrubiin isolated from Marrubium vulgare. Phytomedicine 2000; 7:111-115. [PMID: 10839213 DOI: 10.1016/s0944-7113(00)80082-3] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
We have shown previously that Marrubium vulgare, a medicinal plant employed frequently in folk medicine to treat a variety of ailments, exhibits antispasmodic and antinociceptive effects in different experimental models. This work describes the antinociceptive profile of marrubiin, the main constituent of this plant, which was analysed in some models of nociception in mice. The results showed that marrubiin exhibits potent and dose-related antinociceptive effects, whose calculated ID50 values (micromol/kg, i.p.) were the following: 2.2 in the writhing test, 6.6 (first phase) and 6.3 (second phase) in the formalin-induced pain test and 28.8 when evaluated in the capsaicin test. It was more potent than some well-known analgesic drugs. The antinociception produced by the marrubiin was not reversed by naloxone when analyzed against the writhing test. In the hot-plate test, marrubiin did not increase the latency period of pain induced by the thermal stimuli. Its exact mechanism of action remains to be determined, but the results suggest that marrubiin, like hydroalcoholic extract of M. vulgare, does not interact with opioid systems.
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Affiliation(s)
- R A De Jesus
- Núcleo de Investigações Químico-Farmacêuticas, Curso de Farmácia/Centro de Ciências da Saúde, Universidade do Vale do Itajaí, SC, Brazil
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22
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Cechinel-Filho V, Vaz ZR, Zunino L, Calixto JB, Yunes RA. Antinociceptive and anti-oedematogenic properties of astilbin, taxifolin and some related compounds. Arzneimittelforschung 2000; 50:281-5. [PMID: 10758782 DOI: 10.1055/s-0031-1300200] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Astilbin (3-0-alpha-1-rhamnosyl-(2R,3R)-dihydroquercetin), the major constituent isolated from Hymeneae martiana and some derivatives obtained by structural modification, such as taxifolin and two related compounds, were evaluated as analgesics by using both writhing test and formalin test in mice. Their anti-oedematogenic actions were also analysed against paw oedema caused by carrageenan, dextran and bradykinin in rat. The results indicated that some compounds, such as taxifolin (2) and its tetramethylated derivative (4) exhibited potent and dose-dependent antinociceptive action against acetic acid-induced abdominal constriction when administered intraperitoneally or orally. They were more potent than acetylsalicylic acid and paracetamol (acetaminophen), two standard drugs used for comparison. Compounds 2 and 4 were also more potent than these drugs in attenuating to the second phase of the formalin-induced licking. Moreover, both compounds showed significant anti-oedematogenic effect, inhibiting the paw oedema formation induced by dextran. In contrast pentaacetylated taxifolin (3) was capable of inhibiting the paw oedema induced by bradykinin.
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Affiliation(s)
- V Cechinel-Filho
- Núcleo de Investigações Químico-Farmacêuticas, Curso de Farmácia, Universidade do Vale do Itajaí, SC, Brazil.
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23
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de Souza MM, Bittar M, Cechinel-Filho V, Yunes RA, Messana I, Delle Monache F, Ferrari F. Antinociceptive properties of morusin, a prenylflavonoid isolated from Morus nigra root bark. Z NATURFORSCH C 2000; 55:256-60. [PMID: 10817216 DOI: 10.1515/znc-2000-3-418] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The antinociceptive effects of morusin (1), the main prenylflavonoid present in the Morus nigra root barks have been investigated in classical models of pain in mice. The results showed that 1 exhibits a promising antinociceptive or analgesic profile by the intraperitoneal route, being more potent than some standard drugs used as reference. The mechanism by which the morusin exerts antinociceptive activity still remains undetermined, but our results strongly suggest that it involves the participation of the opioid system.
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Affiliation(s)
- M M de Souza
- Núcleo de Investigações Químico-Farmacêuticas, Universidade do Vale do Itajaí, SC, Brazil
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24
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de Souza MM, Madeira A, Berti C, Krogh R, Yunes RA, Cechinel-Filho V. Antinociceptive properties of the methanolic extract obtained from Ipomoea pes-caprae (L.) R. Br. J Ethnopharmacol 2000; 69:85-90. [PMID: 10661888 DOI: 10.1016/s0378-8741(99)00142-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Ipomoea pes-caprae is a medicinal plant used in many countries for the treatment of several ailments, including inflammatory and algesic processes. The present study describes the antinociceptive effects of the methanolic extract and two fractions obtained from aerial parts of this plant. The results indicated that both methanolic extract and two fractions (ethyl acetate and aqueous) exhibited considerable antinociceptive activity against two classical models of pain in mice. Methanolic extract presented a calculated ID50 value of 33.8 mg/kg, i.p. against writhing test and also inhibited both phases of pain (neurogenic and inflammatory) of the formalin test with ID50 of 37.7 and 12.5 mg/kg, i.p. for the first and second phase, respectively. Preliminary phytochemical analysis suggested the presence of steroids, terpenoids, alkaloids and flavonoids. These findings support, at least in part, the popular use of I. pes-caprae to treat dolorous processes.
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Affiliation(s)
- M M de Souza
- Núcleo de Investigações Químico-Farmacêuticas/CCS, Universidade do Vale do Itajaí, SC, Brazil
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André E, Malheiros A, Cechinel-Filho V, Yunes RA, Calixto JB. Mechanisms underlying the relaxation caused by the sesquiterpene polygodial in vessels from rabbit and guinea-pig. Eur J Pharmacol 1999; 386:47-53. [PMID: 10611463 DOI: 10.1016/s0014-2999(99)00719-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The sesquiterpene polygodial produces graded relaxation in rings of rabbit pulmonary artery or thoracic aorta and guinea-pig pulmonary artery with endothelium. In rings with rubbed endothelium its vasorelaxant action was largely reduced. The N(omega)-nitro-L-arginine (L-NOARG), N(G)-nitro-L-arginine methyl ester (L-NAME), 6-anilino-5,8-quinolinedione (LY 83583) and 1H-[1,2, 4]Oxadiazolo[4,3-a]quinoxalin-1-one (ODQ), inhibited the endothelium-dependent vasorelaxant action of polygodial. In contrast, N(omega)-nitro-D-arginine (D-NOARG), indomethacin, N(2)-[(4R)-4-hydroxy-1-(1methyl-1H-indol-3yl)carbonyl-L-prol yl]-N-met hyl-N-phenylmethyl-3-(2-naphthyl)-L-alaninamide (FK 888), (S)-N-methyl-N[4-(4-acetylamino-4-phenylpiperidino)-2-(3, 4-dichlorophenyl)butyl]benzamide (SR 48968), (8R,9S, 11S)-(-)-9-hydroxy-9-n-hexyloxy-carbonyl-8-methyl-2,3,9, 20-tetrahydro-8,11-epoxy-1H,8H,11H-2,7b,11a-triaqzadibenzo[a, g]cycloocta[c,d,e]-trinden-1-one (KT 5720), calcitocin gene-related peptide receptor antagonist (CGRP-(8-37), apamin, charybdotoxin and 4-aminopyridine had no effect on polygodial action. However, glibenclamide inhibited partially, but significantly, its relaxant responses. These results demonstrate that the vasorelaxation of polygodial is partly dependent on the release of nitric oxide (NO )or an NO-derived substance from the vascular endothelium through an activation of a guanylyl cyclase-dependent mechanism. Finally, results demonstrate that the polygodial vasorelaxant action is not related with the opening of potassium (K(+)) channels, release of prostacyclin, substance P, or with the activation of adenylyl cyclase-dependent mechanisms.
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Affiliation(s)
- E André
- Department of Pharmacology, Universidade Federal de Santa Catarina, CCB, Rua Ferreira Lima, 82, Florianópolis, Brazil
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26
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Macedo AF, Barbosa NC, Esquibel MA, Souza MM, Cechinel-Filho V. Pharmacological and phytochemical studies of callus culture extracts from Alternanthera brasiliana. Pharmazie 1999; 54:776-7. [PMID: 10563377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
This work describes the establishment of callus cultures of Alternanthera brasiliana, a Brazilian medicinal plant used to treat several ailments. In addition the two extracts, exhibiting best yields, were chemically analysed and evaluated as antinociceptive agents in two classical models of pain in mice: the writhing test and the formalin test. The results show that the highest biomass accumulation was observed in callus grown in media with higher concentrations of growth regulator of 2,4-D. Both extracts studied exhibited antinociceptive effects in mice, being more effective than the plant extracts. The pharmacological action seems to be related to the presence of steroids and/or terpenes.
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Affiliation(s)
- A F Macedo
- Laboratório de Fisiologia Vegetal, Instituto de Biofisica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro (UFRJ), Brazil
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Santos AR, De Campos RO, Miguel OG, Cechinel-Filho V, Yunes RA, Calixto JB. The involvement of K+ channels and Gi/o protein in the antinociceptive action of the gallic acid ethyl ester. Eur J Pharmacol 1999; 379:7-17. [PMID: 10499367 DOI: 10.1016/s0014-2999(99)00490-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The anti-hyperalgesic action, antinociception, and also the possible mechanisms involved in the action of gallic acid ethyl ester (GAEE) isolated from the aerial part of Phyllanthus urinaria, have been investigated in different models of chemical, mechanical and thermal nociception in mice and rats. GAEE given by intraperitoneal (i.p.), oral (p.o.), intrathecal (i.t.) or by intracerebroventricular (i.c.v.) routes produced dose-related antinociception when assessed against chemical nociception in mice. GAEE significantly inhibited the hyperalgesia induced by bradykinin or substance P in rat paw, but did not affect the hyperalgesia caused by carrageenan or prostaglandin E2. Furthermore, GAEE, in contrast to morphine, was completely ineffective in the hot-plate test in mice. The antinociception produced by GAEE (i.p.) in the formalin test was significantly reversed by i.c.v. treatment of animals with pertussis toxin and by i.t. administration of K+ channel blockers such as apamin, charybdotoxin or glibenclamide, but not by tetraethylammonium. In contrast, GAEE (i.p.) antinociception was unaffected by i.p. treatment of animals with naloxone or by nitric oxide precursor, L-arginine, and this action was not secondary to its anti-inflammatory effect, nor was it associated with non-specific effects such as muscle relaxation or sedation. Thus, GAEE produces dose-dependent and pronounced systemic, spinal and supraspinal antinociception in mice, probably via activation of K + channels and by a Gi/o pertussis toxin-sensitive mechanism.
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Affiliation(s)
- A R Santos
- Department of Pharmacology, Centre of Biological Sciences, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
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Krogh R, Kroth R, Berti C, Madeira AO, Souza MM, Cechinel-Filho V, Delle-Monache F, Yunes RA. Isolation and identification of compounds with antinociceptive action from Ipomoea pes-caprae (L.) R. Br. Pharmazie 1999; 54:464-6. [PMID: 10399194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
This study describes the isolation and identification of several constituents from Ipomoea pes-caprae (L.) R. Br., a medicinal plant frequently employed in folk medicine of many countries as a remedy against several diseases, including inflammation and pain. Our results demonstrate that some of these compounds, such as glochidone, betulinic acid, alpha- and beta-amyrin acetate, isoquercitrin, etc. showed pronounced antinociceptive properties in the writhing test and formalin test in mice. These data confirm our previous work concerning the antinociceptive action of the hydroalcoholic extract of I. pes-caprae and justify, at least in part, the popular use of this plant for the treatment of dolorous processes.
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Affiliation(s)
- R Krogh
- Departamento de Química, Universidadade Federal de Santa Catarina (UFSC), Florianópolis, Brazil
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El Sayah M, Cechinel-Filho V, Pinheiro TR, Yunes RA, Calixto JB. In vitro effect of the extract and the 1,7-dihydroxy-2,3-dimethoxy xanthone from Polygala cyparissias on the contractions induced by inflammatory mediators and ovalbumin in normal and actively sensitised trachea from guinea pig. Inflamm Res 1999; 48:218-23. [PMID: 10344473 DOI: 10.1007/s000110050449] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
OBJECTIVE This study describes the in vitro action of the hydroalcoholic extract and the 1,7-dihydroxy-2,3-dimethoxy xanthone isolated from P. cyparissias on agonist and ovalbumin induced contractions in trachea, from normal and actively sensitised guinea pigs. RESULTS The hydroalcoholic extract of P. cyparissias (0.125 to 1 mg/ml), incubated with the guinea-pig trachea for 20 min, had no effect on the resting tone of the preparations, but caused a concentration-dependent, reversible and non competitive inhibition of contractions induced by acetylcholine, histamine, compound 48/80, bradykinin, substance P, prostaglandin E2 and the stable analogue of thromboxane A2 mimetic U 46619. The calculated mean IC50 values for the hydroalcoholic extract were: 0.37, 0.51, 0.06, 0.32, 0.48, 0.3 and 0.17 mg/ml, respectively. Also, the extract of P. cyparissias (0.125 to 0.5 mg/ml) antagonised, in a graded manner (IC50 of 0.46 mg/ml) ovalbumin-induced contractions in guinea-pig trachea obtained from animals which had been actively sensitised to this antigen. Pre-incubation of the preparations with the purifed xanthone isolated from P. cyparssias (2.5 to 80 microg/ml; 10.0 to 310.0 microM) caused significant and concentration-dependent, reversible and noncompetitive inhibition of the contractile responses elicited by acetylcholine, histamine, bradykinin, substance P, U 46619 and prostaglandin E2. The calculated mean IC50 values for these effects were: 132.0, 73.0, 9.2, 32.0, 110.6 and 66.0 microM, respectively. At very high concentrations (I55.0-620.0 microM) the xanthone also antagonised contraction induced by KCl in guinea-pig trachea (IC50 of 190.0 microM). CONCLUSIONS Taken together these and our previous in vivo results are consistent with the view that the active principles present in P. cyparissias, including the 1,7-dihydroxy-2,3-dimethoxy xanthone, antagonise, in a non competitive but, reversible manner the contractions induced by chemical inflammatory mediators in the guinea pig trachea in vitro. Thus, these results might explain at least in part, the medicinal use of this plant in the management of inflammation, asthma and allergy.
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Affiliation(s)
- M El Sayah
- Department of Pharmacology, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Meyre-Silva C, Yunes RA, Santos AR, Magro JD, Delle-Monache F, Cechinel-Filho V. Isolation of a C-Glycoside Flavonoid with Antinociceptive Action from Aleurites moluccana Leaves. Planta Med 1999; 65:293-4. [PMID: 17260309 DOI: 10.1055/s-2006-960785] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Affiliation(s)
- C Meyre-Silva
- Departamento de Química, Universidade Federal de Santa Catarina, Florianópois, Brazil
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Gaertner M, Müller L, Roos JF, Cani G, Santos AR, Niero R, Calixto JB, Yunes RA, Delle Monache F, Cechinel-Filho V. Analgesic triterpenes from Sebastiania schottiana roots. Phytomedicine 1999; 6:41-4. [PMID: 10228610 DOI: 10.1016/s0944-7113(99)80033-6] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The present study was conducted in order to isolate and identify the phytochemical constituents responsible for analgesic effects shown by a methanolic extract obtained from Sebastiania schottiana roots. Conventional chromatographic procedures led to the isolation of moretenone, glutinol, beta-sitosterol and stigmasterol. The structural elucidation of these compounds was done on the basis of spectral data (IR, 1H- and 13C-NMR) and comparison with authentic samples. Either glutinol or moretenone exhibited marked analgesic action against acetic acid induced abdominal constrictions in mice by intraperitoneal route, indicating 16 to 26-fold higher efficacy than aspirin and paracetamol. When analyzed in a formal-in test, both compounds and standard drugs inhibited only the second phase (inflammatory pain). Our results suggest that the roots of S. schottiana contain analgesic compounds which justify, at least partially, the popular use of this plant for the treatment of urinary problems.
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Affiliation(s)
- M Gaertner
- Universidade do Vale do Itajaí (UNIVALI), Brazil
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Block LC, Scheidt C, Quintão NL, Santos AR, Cechinel-Filho V. Phytochemical and pharmacological analysis of different parts of Wedelia paludosa DC. (Compositae). Pharmazie 1998; 53:716-8. [PMID: 9812340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
This study demonstrates the chromatographic profile and antinociceptive action of methanolic extracts obtained from different parts of Wedelia paludosa, a medicinal plant employed in folk medicine to treat dolorous processes. The results indicated that the root was the most potent part whereas the flower exhibited a weak antinociceptive activity. Comparative TLC suggested that all extract show different constituents or concentrations. Kaurenoic acid and stigmasterol were detected in all extracts and luteolin is present only in leaves and stems, but in small quantities. These results confirm our previous investigation on this plant and support its popular use for the treatment of algesic processes.
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Affiliation(s)
- L C Block
- Químico-Farmacêuticas (NIQFAR)/CCS, Universidade do Vale do Itajaí (UNIVALI), Itajaí, SC, Brazil
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Andricopulo AD, Willain-Filho A, Corrêa R, Santos AR, Nunes RJ, Yunes RA, Cechinel-Filho V. Analgesic activity of 3,4-dichloromaleimides: structure-activity relationships. Pharmazie 1998; 53:493-4. [PMID: 9699226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- A D Andricopulo
- Departamento de Química, Universidade Federal de Santa Catarina (UFSC), Florianópolis-SC, Brazil
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Floriani AE, Ferreira J, Santos AR, Delle-Monache F, Yunes RA, Cechinel-Filho V. Analgesic compounds from Epidendrum mosenii stems. Pharmazie 1998; 53:426-7. [PMID: 9675776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- A E Floriani
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR)/FAQFAR, Universidade do Vale do Itajaí (UNIVALI), Itajaí, SC, Brazil
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Cechinel-Filho V, Santos AR, Calixto JB, Delle-Monache F, Miguel OG, Yunes RA. Triterpenes from Phyllanthus sellowianus roots. Planta Med 1998; 64:194. [PMID: 17253237 DOI: 10.1055/s-2006-957406] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Affiliation(s)
- V Cechinel-Filho
- Núcleo de Investigações Químico-Farmacêuticas, Universidade do Vale do Itajaí, Itajaí, Brazil
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Paulino N, Cechinel-Filho V, Yunes RA, Calixto JB. The relaxant effect of extract of Phyllanthus urinaria in the guinea-pig isolated trachea. Evidence for involvement of ATP-sensitive potassium channels. J Pharm Pharmacol 1996; 48:1158-63. [PMID: 8961165 DOI: 10.1111/j.2042-7158.1996.tb03913.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This study analyses the relaxation induced by the hydroalcoholic extract of stems, leaves and roots from Phyllanthus urinaria (Euphorbiaceae) in the guinea-pig trachea (GPT) pre-contracted by carbachol. The hydroalcoholic extract of P. urinaria (0.1-10 mg mL-1) caused a graded relaxation in GPT with or without epithelium, with mean EC50 values of 1.94 (1.41-2.67) and 2.00 (1.47-2.78) mg mL-1 and Emax of 717 mg (+/- 16) and 627 mg (+/- 12), respectively. The relaxation in response to hydroalcoholic extract, like that to cromakalim (EC50 3.57 (2.75-4.64 microM) in GPT without epithelium, was fully abolished in the presence of high KCl concentrations (80 mM), and was significantly attenuated by tetraethylammonium (10 or 30 mM) or glibenclamide (0.1 or 3 microM). However, the relaxation caused by the hydroalcoholic extract was unaffected by apamin (0.1 or 1.0 microM), nitro-L-arginine (L-NOARG, 100 microM), methylene blue (10 microM) or by calcitonin gene-related peptide (CGRP) (8-37) (a CGRP antagonist, 0.1 microM). Both propranolol (1 or 3 microM) and [D-p-Cl-Phe6,Leu17]VIP (a vasoactive intestinal peptide (VIP) receptor antagonist, 0.1 microM) produced a significant displacement to the right (about 2-fold) of the relaxation response to hydroalcoholic extract of P. urinaria. Thus, the present results indicate that the ATP-activated potassium channels sensitive to glibenclamide, but not the small conductance calcium-activated potassium channels sensitive to apamin, largely contribute to the relaxation effect of the hydroalcoholic extract of P. urinaria in GPT. In addition, both beta 2 and VIP-mediated responses seem to account, at least in part, for the relaxation effect of the hydroalcoholic extract, as its relaxant response was partially attenuated by both propranolol and VIP receptor antagonist.
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Affiliation(s)
- N Paulino
- Department of Pharmacology, Universidade Federal de Santa Catarina, Florianópolis, Brazil
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Cechinel-Filho V, Vaz ZR, Zunino L, Calixto JB, Yunes RA. Synthesis of xanthoxyline derivatives with antinociceptive and antioedematogenic activities. Eur J Med Chem 1996. [DOI: 10.1016/0223-5234(96)83978-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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