| Literature DB >> 19684581 |
Roberta Caruso1, Elisabetta Botti, Massimiliano Sarra, Maria Esposito, Carmine Stolfi, Laura Diluvio, Maria Laura Giustizieri, Valentina Pacciani, Annamaria Mazzotta, Elena Campione, Thomas T Macdonald, Sergio Chimenti, Francesco Pallone, Antonio Costanzo, Giovanni Monteleone.
Abstract
T cells are crucial mediators of the skin damage in psoriasis. We here show that interleukin-21 (IL-21), a T cell-derived cytokine, is highly expressed in the skin of individuals with psoriasis, stimulates human keratinocytes to proliferate and causes epidermal hyperplasia when injected intradermally into mice. In the human psoriasis xenograft mouse model, blockade of IL-21 activity resolves inflammation and reduces keratinocyte proliferation. Blocking IL-21 may represent a new therapeutic strategy in psoriasis.Entities:
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Year: 2009 PMID: 19684581 DOI: 10.1038/nm.1995
Source DB: PubMed Journal: Nat Med ISSN: 1078-8956 Impact factor: 53.440