Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle

ABSTRACT: Propolis is a bee product, which has long been used in folk medicine for the management of different diseases. In this study we evaluated the analgesic and anti-inflammatory effects of a standard ethanolic extract of Bulgarian propolis (Et-Blg) in mice and its in vitro effect on airway smo...

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Main Authors: Niraldo Paulino, Andreia Pires Dantas, Vassya Bankova, Daniela Taggliari Longhi, Amarilis Scremin, Solange Lisboa de Castro, João Batista Calixto
Format: Article
Language:English
Published: Elsevier 2003-01-01
Series:Journal of Pharmacological Sciences
Online Access:http://www.sciencedirect.com/science/article/pii/S1347861319325800
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author Niraldo Paulino
Andreia Pires Dantas
Vassya Bankova
Daniela Taggliari Longhi
Amarilis Scremin
Solange Lisboa de Castro
João Batista Calixto
author_facet Niraldo Paulino
Andreia Pires Dantas
Vassya Bankova
Daniela Taggliari Longhi
Amarilis Scremin
Solange Lisboa de Castro
João Batista Calixto
author_sort Niraldo Paulino
collection DOAJ
description ABSTRACT: Propolis is a bee product, which has long been used in folk medicine for the management of different diseases. In this study we evaluated the analgesic and anti-inflammatory effects of a standard ethanolic extract of Bulgarian propolis (Et-Blg) in mice and its in vitro effect on airway smooth muscle. Et-Blg inhibited acetic acid-induced abdominal contortions with an ID50 = 7.4 ± 0.7 mg · kg-1. In the formalin test, the extract caused a significant reduction in pain in mice treated with 100 mg · kg-1 Et-Blg during the neurogenic phase and for the inflammatory phase with all doses of the extract, with an ID50 = 2.5 ± 0.4 mg · kg-1. Et-Blg inhibited also the capsaicin-induced ear edema in mice; however, this extract was ineffective when assessed in the tail-flick and hot-plate thermal assays. The analgesic effect of Et-Blg was associated with the inhibition of inflammatory responses and not to a simple irritation of nervous terminals. In vitro, this extract inhibited the contraction of trachea smooth muscle induced by histamine (IC50 = 50 ± 5 μg · mL-1), capsaicin (IC50 = 26.8 ± 3 μg · mL-1), 80 mM KCl (IC50 = 27.8 ± 3 μg · mL-1), and carbachol (IC50 = 54 ± 2 μg · mL-1).
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spelling doaj.art-640b580be0e24394bd4b8e2b06ad1df22022-12-21T23:54:21ZengElsevierJournal of Pharmacological Sciences1347-86132003-01-01933307313Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth MuscleNiraldo Paulino0Andreia Pires Dantas1Vassya Bankova2Daniela Taggliari Longhi3Amarilis Scremin4Solange Lisboa de Castro5João Batista Calixto6Grupo de Pesquisa e Desenvolvimento de Biofármacos (BIOFAR), Universidade do Sul de Santa Catarina, Tubarão, 88704-900, SC, BrazilDepartamento de Ultra-estrutura e Biologia Celular, Fundação Oswaldo Cruz, Rio de Janeiro, 21045-900, RJ, BrazilInstitute of Organic Chemistry with Centre of Phytochemistry, Sofia, BulgariaGrupo de Pesquisa e Desenvolvimento de Biofármacos (BIOFAR), Universidade do Sul de Santa Catarina, Tubarão, 88704-900, SC, BrazilGrupo de Pesquisa e Desenvolvimento de Biofármacos (BIOFAR), Universidade do Sul de Santa Catarina, Tubarão, 88704-900, SC, BrazilDepartamento de Ultra-estrutura e Biologia Celular, Fundação Oswaldo Cruz, Rio de Janeiro, 21045-900, RJ, BrazilDepartamento de Farmacologia, Universidade Federal de Santa Catarina, Florianópolis, 88015-420, SC, BrazilABSTRACT: Propolis is a bee product, which has long been used in folk medicine for the management of different diseases. In this study we evaluated the analgesic and anti-inflammatory effects of a standard ethanolic extract of Bulgarian propolis (Et-Blg) in mice and its in vitro effect on airway smooth muscle. Et-Blg inhibited acetic acid-induced abdominal contortions with an ID50 = 7.4 ± 0.7 mg · kg-1. In the formalin test, the extract caused a significant reduction in pain in mice treated with 100 mg · kg-1 Et-Blg during the neurogenic phase and for the inflammatory phase with all doses of the extract, with an ID50 = 2.5 ± 0.4 mg · kg-1. Et-Blg inhibited also the capsaicin-induced ear edema in mice; however, this extract was ineffective when assessed in the tail-flick and hot-plate thermal assays. The analgesic effect of Et-Blg was associated with the inhibition of inflammatory responses and not to a simple irritation of nervous terminals. In vitro, this extract inhibited the contraction of trachea smooth muscle induced by histamine (IC50 = 50 ± 5 μg · mL-1), capsaicin (IC50 = 26.8 ± 3 μg · mL-1), 80 mM KCl (IC50 = 27.8 ± 3 μg · mL-1), and carbachol (IC50 = 54 ± 2 μg · mL-1).http://www.sciencedirect.com/science/article/pii/S1347861319325800
spellingShingle Niraldo Paulino
Andreia Pires Dantas
Vassya Bankova
Daniela Taggliari Longhi
Amarilis Scremin
Solange Lisboa de Castro
João Batista Calixto
Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
Journal of Pharmacological Sciences
title Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
title_full Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
title_fullStr Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
title_full_unstemmed Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
title_short Bulgarian Propolis Induces Analgesic and Anti-inflammatory Effects in Mice and Inhibits In Vitro Contraction of Airway Smooth Muscle
title_sort bulgarian propolis induces analgesic and anti inflammatory effects in mice and inhibits in vitro contraction of airway smooth muscle
url http://www.sciencedirect.com/science/article/pii/S1347861319325800
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