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Sousa, Antônio Kleiton de; Brito, Maria Vieira de; Prudêncio, Rafael da Silva; Sousa, Stefany Guimarães; Carvalho, André dos santos; Silva, Tino Marcos Lino da; Almeida, Viviane Pinheiro Alves de; Sousa, João Janilson da Silva; Gomes, Paulo Roberto Carneiro; Marques, Ricardo de Araújo; Brito, Tarcisio Vieira de; Vasconcelos, Daniel Fernando Pereira; Junior, Elias Borges do Nascimento; Oliveira, Maria da Conceição Ferreira de; Magalhães, Diva de Aguiar; Barbosa, André Luiz dos Reis
Journal of ethnopharmacology, 04/2024, Letnik: 324Journal Article
The plants of the genus Casimirella ampla (Miers) (C. ampla) are extensively used in folk medicine. For a long time, rural communities have been using extracts from its roots for food and therapeutic purposes. The extract is rich in diterpenoid annonalide (Annona), which has antiophidic, anti-inflammatory and antinociceptive properties. Inflammation is the body's primary defense mechanism against cell damage and invasion by pathogens, which can trigger acute and chronic inflammatory processes. The first line of treatment for this condition consists of the use of non-steroidal anti-inflammatory drugs, but these have numerous associated collateral damages, based on scientific knowledge about diterpenoids from C. ampla, as well as their already reported antinociceptive and anti-inflammatory properties. Evaluate the effect of Annona in classic models of inflammation and pain. Animals were pretreated with Annona (0.1, 1.0 and 10 mg/kg), or Tween 80 (2%), or indomethacin (Indo) (10 mg/kg) orally in the paw edema tests induced by carrageenan (Cg), serotonin (5-HT), histamine, bradykinin, 48/80 and, prostaglandin E2 (PGE2), evaluating microscopic lesion scores, migration of leukocytes to the peritoneal cavity, concentration of myeloperoxide (MPO), malonyldialdehyde (MDA) and glutathione (GSH), abdominal contortion test by acetic acid and formalin test. Treatment with Annona compound at a dose of 0.1 mg/kg was more effective in reducing inflammatory, oxidant and nociceptive parameters, as it reduced paw edema induced by carrageenan, through different mediators and migration of inflammatory cells. Furthermore, it worked by reducing the concentration of MPO, MDA, preserving GSH levels and reducing nociception caused by formalin and acetic acid. Display omitted •Annonalide has anti-inflammatory and antinociceptive effects in mice.•Diterpene annonalide inhibited the vascular reaction caused by inflammatory agents.•The compound annonalide demonstrated an antioxidant effect during peritonitis.•Treatment with annonalide suppressed the migration of inflammatory cells.
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