期刊
EXPERIMENTAL DERMATOLOGY
卷 23, 期 3, 页码 199-201出版社
WILEY
DOI: 10.1111/exd.12321
关键词
hBD-2; psoriasis; SECosomes; siRNA; skin-humanized mouse
类别
资金
- Science and Innovation Ministry of Spain [SAF2010-16976]
- Comunidad de Madrid [S2010/BMD-2420
- CELLCAM]
- IWT grant ('Flemish government agency for Innovation by Science and Technology') [091208]
Psoriasis is a complex inflammatory skin disease that presents a wide variety of clinical manifestations. Human beta defensin-2 (hBD-2) is highly up-regulated in psoriatic lesions and has been defined as a biomarker for disease activity. We explored the potential benefits of targeting hBD-2 by topical application of DEFB4-siRNA-containing SECosomes in a bioengineered skin-humanized mouse model for psoriasis. A significant improvement in the psoriatic phenotype was observed by histological examination, with a normalization of the skin architecture and a reduction in the number and size of blood vessels in the dermal compartment. Treatment leads to the recovery of transglutaminase activity, filaggrin expression and stratum corneum appearance to the levels similar to those found in normal regenerated human skin. The availability of a reliable skin-humanized mouse model for psoriasis in conjunction with the use of the SECosome technology may provide a valuable preclinical tool for identifying potential therapeutic targets for this disease.
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