Anti-inflammatory Effects of Brassica oleracea Var. capitata L. (Cabbage) Methanol Extract in Mice with Contact Dermatitis.
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Resumo
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Cabbage, Brassica oleracea var. capitata L., is one of the most common vegetables in the world. Because of its high levels of flavonoids and anthocyanins, cabbage has long been used as a herbal medicine. The antioxidant and anti-inflammatory properties of cabbage were also recently been reported.
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This study was designed to investigate the anti-inflammatory effects of cabbage in mice with contact dermatitis (CD).
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We investigated the effects of methanol extract of B. oleracea var. capitata L. (MEBO) on ear swelling, erythema, and histopathological changes in CD mice. Moreover, the effects on cytokine production and the spleen/body weight ratio were investigated.
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Topical treatment with MEBO inhibited ear swelling and erythema significantly. MEBO also significantly inhibited epidermal hyperplasia and infiltration of immune cells. Furthermore, the levels of tumor necrosis factor-alpha, interferon-gamma, interleukin-6, and monocyte chemotactic protein-1 in inflamed tissues were effectively lowered by MEBO. Finally, MEBO did not affect body weight gain or spleen body weight ratio.
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These results indicate that cabbage can be used for the treatment of skin inflammation and that its anti-inflammatory activity is closely related to the inhibition of Th1 skewing reactions.
CONCLUSIONS
MEBO inhibited ear thickness, weight, and erythema in inflamed skinMEBO also prevented epidermal hyperplasia and infiltration of immune cellsThe levels of tumor necrosis factor-α, interferon-γ, interleukin-6, and monocyte chemotactic protein-1 in inflamed tissues were lowered by MEBO. Abbreviations used: AOO: Acetone and olive oil (4:1), CBA: Cytometric bead array, CD: Contact dermatitis, DEX: Dexamethasone, DNFB: 1-fluoro-2,4-dinitrofluorobenzene, GM-CSF: Granulocyte-macrophage colony-stimulating factor, ICAM-1: Intercellular Adhesion Molecule-1, LPS: Lipopolysaccharide, MEBO: Methanol extract of Brassica oleracea, MCP-1: Monocyte chemotactic protein-1, NO: Nitric oxide.
