Anti-inflammatory, anti-angiogenic and anti-nociceptive activities of an ethanol extract of Salvia plebeia R. Brown
2009
Jung, Hyun-Joo | Song, Yun Seon | Lim, Chang-Jin | Pak, Ŭn-hŭi
Ethnopharmacological relevance: Salvia plebeia R. Brown has been used for the treatment of a variety of inflammatory diseases, cold and tumors in many countries, including Korea and China. Aim of the study: This study aimed to assess anti-inflammatory and related activities of an ethanol extract (SPEE) prepared from the dried whole parts of Salvia plebeia. Materials and methods: Anti-angiogenic and anti-nociceptive activities of SPEE were analyzed using the chick chorioallantoic membrane (CAM) assay and acetic acid-induced writhing response, respectively. Anti-inflammatory activity of SPEE was evaluated using acetic acid-induced vascular permeability, carrageenan-induced inflammation in the air pouch and analyses of nitrite content and induced nitric oxide synthase (iNOS) level in the macrophage cells. Results: SPEE gave rise to a significant inhibition in chick chorioallantoic membrane angiogenesis. SPEE exhibited anti-inflammatory activities in vascular permeability and air-pouch models. In the air-pouch model, SPEE was able to diminish exudate volume, number of polymorphonulcear leukocytes and nitrite content. SPEE also displayed anti-nociceptive activity in the writhing response model in mice. SPEE significantly decreased nitrite content and induced nitric oxide synthase (iNOS) in the lipopolysaccharide (LPS)-stimulated RAW264.7 macrophage cells, while it could not modulate cyclooxygenase-2 (COX-2) and matrix metalloproteinase-9 levels in the stimulated phages. SPEE decreased reactive oxygen species (ROS) level in the stimulated macrophages. Conclusion: The ethanol extract (SPEE) of Salvia plebeia possesses anti-inflammatory and related anti-angiogenic, anti-nociceptive and antioxidant activities, which offers partial support to its folkloric use.
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