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논문 기본 정보

자료유형
학술저널
저자정보
Jo, Wol-Soon (Dong Nam Institute of Radiological & Medical Sciences) Yang, Kwang-Mo (Dong Nam Institute of Radiological & Medical Sciences) Choi, Yoo-Jin (Dong Nam Institute of Radiological & Medical Sciences) Jeong, Chang-Hwa (Natural Products Research Institute) Ahn, Kyoung-Jin (Natural Products Research Institute) Nam, Byung-Hyouk (Department of Microbiology, College of Natural Sciences, Pusan National University) Lee, Sang-Wha (Department of Microbiology, College of Medicine, Dong-A University) Seo, Su-Yeong (Department of Microbiology, College of Medicine, Dong-A University) Jeong, Min-Ho (Department of Microbiology, College of Medicine, Dong-A University)
저널정보
대한독성유전단백체학회 Molecular & cellular toxicology Molecular & cellular toxicology 제6권 제2호
발행연도
2010.1
수록면
195 - 202 (8page)

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Pegmatite is a coarse-grained intrusive igneous rock rich in rare elements such as uranium, tungsten, and tantalum with Ca, K, Mg, Fe, Se, Ge, and Ho. We tested in vitro and in vivo assays for the anti-inflammatory activity of pegmatites. We firstly evaluated the suppressive effects of pegmatite on macrophage cell line RAW 264.7 cells stimulated with proinflammatory stimuli lipopolysaccharide (LPS) to determine nitric oxide (NO) production and TNF-$\alpha$ and IL-6 release. The $IC_{50}$ values of pegmatite exceeded $5,000\;{\mu}g/mL$. Treatment of RAW 264.7 cells with pegmatite significantly inhibited LPS-stimulated NO production and proinflammatory cytokines such as TNF-$\alpha$ and IL-6 secretion in a dose-dependent manner (P<0.05). In vivo studies were tested with two animal models of arachidonic acid-induced mouse ear edema and an acetic acid-induced increase in capillary permeability. The pegmatite significantly attenuated ear edema induced by arachidonic acid and reduced the acetic acid-induced increase in capillary permeability in mice (P<0.05) when the pegmatite was administered topically (10 mg per ear) for 24 h. Therefore, pegmatite potentially shows an anti-inflammatory activity in the in vitro and in vivo mice and in the development of newer anti-inflammatory agents as mineral materials.

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