Journal
EUROPEAN JOURNAL OF PHARMACOLOGY
Volume 562, Issue 1-2, Pages 155-163Publisher
ELSEVIER
DOI: 10.1016/j.ejphar.2007.01.029
Keywords
budlein A; Viguiera robusta; asteraceae; sesquiterpene lactones; inflammation; oedema; nociception; hypernociception; hyperalgesia; neutrophil migration; pain; cytokine; chemokine
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The anti-inflammatory activities of some medicinal plants are attributed to their contents of sesquiterpene lactones. In the present study, the anti-inflammatory and anti-nociceptive activity of a sesquiterpene lactone isolated from Viguiera robusta, budlein A in mice was investigated. The treatment with budlein A dose-(1.0-10.0 mg/kg, p.o., respectively) dependently inhibited the carrageenan-induced: i. neutrophil migration to the peritoneal cavity (2-52%), ii. neutrophil migration to the paw skin tissue (32-74%), iii. paw oedema (13-74%) and iv. mechanical hypernociception (2-68%) as well as the acetic acid-induced writhings (0-66%). Additionally, budlein A (10.0 mg/kg) treatment inhibited the mechanical hypernociception-induced by tumour necrosis factor (TNF-alpha, 36%), Keratinocyte-derived chemokine (KC, 37%) and Interleukin-1 beta (IL-1 beta 28%), but not of prostaglandin E-2 or dopamine. Budlein A also inhibited the carrageenan-induced release of TNF-alpha (52%), KC (70%) and IL-1 beta (59%). Furthermore, an 8 days treatment with budlein A inhibited Complete Freund's adjuvant (10 mu l/paw)-induced hypernociception, paw oedema and paw skin myeloperoxidase activity increase while not affecting the motor performance or myeloperoxidase activity in the stomach. Concluding, the present data suggest that budlein A presents anti-inflammatory and antinociceptive property in mice by a mechanism dependent on inhibition of cytokines production. It supports the potential beneficial effect of orally administered budlein A in inflammatory diseases involving cytokine-mediated nociception, oedema and neutrophil migration. (c) 2007 Elsevier B.V. All rights reserved.
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