Article ID Journal Published Year Pages File Type
2047800 FEBS Letters 2013 6 Pages PDF
Abstract

•PGRN expression was upregulated in inflammatory skin.•PGRN deficiency exaggerated, while Atsttrin attenuated, dermatitis in mice.•PGRN/Atsttrin may protect against dermatitis through inhibition of NF-κB signaling.

PGRN and its derived engineered protein, Atsttrin, were reported to antagonize TNFα and protect against inflammatory arthritis [Tang, W. et al. (2011) The growth factor progranulin binds to TNF receptors and is therapeutic against inflammatory arthritis in mice. Science 332 (6028) 478–484]. Here we found that PGRN level was also significantly elevated in skin inflammation. PGRN−/− mice exhibited more severe inflammation following induction of oxazolone (OXA). In contrast, recombinant Atsttrin protein effectively attenuated inflammation in mice dermatitis model. In addition, the protective role of PGRN and Atsttrin in dermatitis was probably due to their inhibition on NF-κB signaling. Collectively, PGRN, especially its derived engineered protein, Atsttrin, may represent a potential molecular target for prevention and treatment of inflammatory skin diseases.

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