title: Anti-inflammatory activity of Sedum kamtschaticum.
abstract: Sedum kamtschaticum Fischer (Crassulaceae) has been used as a folk medicine in North-East Asia for treating inflammatory disorders. The present investigation was carried out to establish in vivo anti-inflammatory activity and cyclooxygenase-2 modulating activity of this plant material. The methanol extract of Sedum kamtschaticum significantly inhibited mouse croton oil-induced ear edema (24-47% inhibition at 50-400 mg/kg) and rat paw edema (24-30% inhibition at 400-800 mg/kg) by oral administration. Prednisolone (10 mg/kg) showed 54 and 36% inhibition in the same animal models, respectively. Sedum kamtschaticum also showed significant inhibitory activity against mouse ear edema induced by multiple treatment of phorbol ester for 3 days. In addition, Sedum kamtschaticum exhibited potent analgesic activity against mouse acetic acid-induced writhing (IC50=125 mg/kg), while aspirin (200 mg/kg) showed 57% inhibition. Using lipopolysaccharide-treated RAW 264.7 cells, down-regulation of cyclooxygenase-2 expression was found to be one of the cellular action mechanisms of anti-inflammation by Sedum kamtschaticum.
authors.affiliation: College of Pharmacy, Kangwon National University, Chunchon 200-701, South Korea.
authors.forename: Dong Wook
authors.initials: DW
authors.lastname: Kim
authors.forename: Kun Ho
authors.initials: KH
authors.lastname: Son
authors.forename: Hyeun Wook
authors.initials: HW
authors.lastname: Chang
authors.forename: KiHwan
authors.initials: K
authors.lastname: Bae
authors.forename: Sam Sik
authors.initials: SS
authors.lastname: Kang
authors.forename: Hyun Pyo
authors.initials: HP
authors.lastname: Kim
mesh_terms: D000818:Animals; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000302:isolation & purification / Q000627:therapeutic use*; D002460:Cell Line; D004305:Dose-Response Relationship, Drug; D004487:Edema / Q000139:chemically induced / Q000188:drug therapy*; D008297:Male; D051379:Mice; D008813:Mice, Inbred ICR; D010936:Plant Extracts / Q000302:isolation & purification / Q000627:therapeutic use; D018514:Plant Structures; D051381:Rats; D017207:Rats, Sprague-Dawley; D031963:Sedum
chemical_list: D000894:Anti-Inflammatory Agents, Non-Steroidal; D010936:Plant Extracts