Please use this identifier to cite or link to this item: https://ri.ufs.br/jspui/handle/riufs/23319
Document Type: Artigo
Title: Antinociceptive activity of thymoquinone and its structural analogues: a structure-activity relationship study
Authors: Sousa, Damião Pergentino de
Nobrega, Franklin Ferreira de Farias
Santos, Camila Carolina de Menezes
Benedito, Rubens Batista
Vieira, Ygor Willian
Uliana, Marciana Pierina
Brocksom, Timothy John
Almeida, Reinaldo Nobrega de
Issue Date: Aug-2012
Resumo : Purpose: To investigate the structural features that influence the antinociceptive activity of thymoquinone and their structural analogues. Methods: The quinones were prepared by an oxidation procedure using molecular oxygen and catalysis with [CoII(salen)] from the respective phenols. The antinociceptive activity of para-benzoquinones (10 mg/kg, ip) was evaluated using formalin test in mice. Vehicle (5 % Tween 80) or morphine (10 mg/kg) were used as control group and standard drug, respectively. The amount of time spent licking the injected paw was considered as the nociceptive response. Results: Among the compounds tested, five para-benzoquinones showed antinociceptive activity. The 2-isopropyl-para-benzoquinone presented the highest potency in first and second phases and produced a near-maximal inhibition (p < 0.001) in the formalin test, similar to morphine (p < 0.001). Conclusion: Our experimental results show that by appropriate structural modification of parabenzoquinones it may be possible to develop novel analgesic drugs.
Keywords: Quinones
Antinociceptive activity
Analgesic
Central nervous system
Structure-activity relationship
Medicinal plant
ISSN: 1596-9827
Is part of: Tropical journal of pharmaceutical research
Language: eng
Publisher / Institution : Pharmacotheraphy Group - University of Benin
Citation: SOUSA, D. P. et al. Antinociceptive activity of thymoquinone and its structural analogues: a structure-activity relationship study, Tropical journal of pharmaceutical research, Benin City, v. 11, n. 4, p. 605-610, ago. 2012. Disponível em: https://www.ajol.info/index.php/tjpr/article/view/80570. Acesso em: 29 set. 2025.
License: Creative Commons Atribuição 4.0 Internacional (CC BY 4.0)
URI: https://ri.ufs.br/jspui/handle/riufs/23319
Appears in Collections:DFS - Artigos de periódicos

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