Reduction of leukotriene B4-induced intraepidermal accumulation of polymorphonuclear leukocytes by methotrexate in psoriasis

The British Journal of Dermatology
A M LammersP D Mier

Abstract

The leukotriene B4 (LTB4)-induced intraepidermal accumulation of polymorphonuclear leukocytes (PMN) was quantified, using an elastase assay, in psoriatic patients receiving methotrexate and in untreated psoriatic patients. Methotrexate in therapeutic dosages inhibited PMN infiltration in six patients who had improved considerably on treatment with the drug, a gradual increase being seen during the days on which no methotrexate was taken. Two patients were in relapse, despite methotrexate treatment, and both failed to show any change in LTB4-induced accumulation of PMN.

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Related Concepts

Leukotrienes B
Methotrexate, (DL)-Isomer
Neutrophil Band Cells
Psoriasis
Skin

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