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Biological Therapies

Grimstad Ø, Sawanobori Y, Vestergaard C et al. Exp Dermatol 2009;18:35–43.

Treatment of atopic dermatitis has not undergone the same revolution as treatment of psoriasis with the introduction of specifically targeted biological agents. In the present study, the authors report the results of treating NC/Nga mice, which are an animal model of atopic dermatitis, with monoclonal anti-interleukin-31 antibodies.

Interleukin-31 (IL-31) is a recently discovered cytokine that is predominantly produced by Th2 cells, although it can also be expressed by Th1 cells. Expression of IL-31 messenger RNA is upregulated in the skin of patients with atopic dermatitis, and transgenic mice that overexpress IL-31 have been found to develop chronic pruritus and subsequent excoriations from excessive scratching, similar to that observed in patients with atopic dermatitis.

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