Effects of anti-TNF-alpha agents on circulating endothelial-derived and platelet-derived microparticles in psoriasis

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TitreEffects of anti-TNF-alpha agents on circulating endothelial-derived and platelet-derived microparticles in psoriasis
Type de publicationJournal Article
Year of Publication2014
AuteursPelletier F, Garnache-Ottou F, Biichle S, Vivot A, Humbert P, Saas P, Seilles E, Aubin F
JournalEXPERIMENTAL DERMATOLOGY
Volume23
Pagination924-925
Date PublishedDEC
Type of ArticleArticle
ISSN0906-6705
Mots-clésanti-TNF- agents, endothelial microparticles, platelet microparticles, Psoriasis
Résumé

{Psoriasis involves TNF- secretion leading to release of microparticles into the bloodstream. We investigated the effect of TNF blockers on microparticles levels before and after treatment in patients (twenty treated by anti-TNF- agents and 6 by methotrexate) with severe psoriasis. Plasmatic microparticles were labelled using fluorescent monoclonal antibodies and were analysed using cytometry. Three months later, 70% of patients treated with anti-TNF- agents achieved a reduction in PASI score of at least 75%. The clinical improvement in patients treated with anti-TNF- agents was associated with a significant reduction of the mean number of platelet microparticles (2837/l vs 1849/l

DOI10.1111/exd.12551