| Literature DB >> 23377963 |
Nilson Vieira Pinto1, Benildo Sousa Cavada, Lucas Ferreira Brito, Ronniery Ilario Pereira, Mayara Torquato Lima da Silva, Rondinelle Ribeiro Castro, Alana de Freitas Pires, Ana Maria Sampaio Assreuy.
Abstract
The anti-inflammatory activity of Canavalia seed lectins (Canavalia gladiata [CGL], Canavalia maritima [ConM] and Canavalia brasiliensis [ConBr]) was evaluated by intravenous administration in rats. In non-sensitized rats, cellular edema elicited by carrageenan was reduced (45-51 %) by ConM and (44-59 %) by CGL. Osmotic edema elicited by dextran was reduced by ConM and CGL in 27 % and 29 %. ConM and CGL reduced the edema elicited by L-arginine in 53 % and that of prostaglandin E2 in 48 % and 36 %. Leukocyte migration elicited by carrageenan was reduced in 49 % by ConM and in 55 % by CGL (attenuated in 4× by glucose) and peritoneal TNF-α content in 82 %. In rats sensitized, ConM inhibited the paw edema and leukocyte migration elicited by ovalbumin in 34 % and 70 %. ConM and CGL are anti-inflammatory, mainly in cellular events mediated by prostaglandin E₂, nitric oxide and TNF-α in non-sensitized rats. However, only ConM is anti-inflammatory in sensitized rats. CGL effect involves the lectin domain.Entities:
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Year: 2013 PMID: 23377963 DOI: 10.1007/s10753-013-9596-0
Source DB: PubMed Journal: Inflammation ISSN: 0360-3997 Impact factor: 4.092