Abstract
Psoriasis is associated with obesity accompanied by insulin resistance. A recent study disclosed increased plasma resistin and decreased plasma omentin levels in obesity. Few studies of plasma levels of resistin and omentin are available in psoriasis. We analyzed plasma levels of resistin and omentin in psoriasis and compared them with those of healthy controls. Evaluation of plasma levels of resistin and omentin was performed by enzyme-linked immunosorbent assay (ELISA) for 62 psoriasis patients and 58 healthy controls. The severity of psoriasis was evaluated by psoriasis area and severity index (PASI) score. Plasma levels of resistin were significantly increased in psoriasis as compared with those of healthy controls. In contrast, plasma levels of omentin were significantly decreased in psoriasis patients. Plasma levels of resistin and omentin were positively and negatively correlated with PASI scores, respectively. After the treatment of psoriasis, resistin levels were decreased and omentin levels were increased, respectively, compared with those of pretreated. Plasma levels of resistin and omentin might be useful for evaluating the disease activity of psoriasis.
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