Abstract:
:Previous reports have demonstrated that cell-derived nanoparticles (CDNPs) composed of bovine or porcine protein complexes exerted therapeutic effects against viral infections and cancer in mice and humans. Based on these observations, we asked whether CDNPs would improve inflammatory skin disorders. To address this, we utilized two distinct mouse models of cutaneous inflammation: the autoimmune skin-blistering disease epidermolysis bullosa acquisita (EBA) as an example of an autoantibody-induced cutaneous inflammation, and Leishmania major (L. major) infection as an example of a pathogen-induced cutaneous inflammation. In both models, we observed that CDNPs increased mRNA expression of the Th2 cytokine IL-4. Clinically, CDNPs decreased inflammation due to EBA and increased L. major-specific IgG1 levels without major effects on infected skin lesions. In addition, CDNPs supported the growth of keratinocytes in human skin cultures. In vitro studies revealed that CDNPs were taken up predominantly by macrophages, leading to a shift towards the expression of anti-inflammatory cytokine genes. Altogether, our data demonstrate that treatment with porcine CDNPs may be a new therapeutic option for the control of autoimmune-mediated inflammatory skin disorders.
journal_name
Exp Dermatoljournal_title
Experimental dermatologyauthors
Kunz N,Hauenschild E,Maass S,Kalies KU,Klinger M,Barra M,Hecht L,Helbig F,Soellner S,Caldwell CC,Ludwig RJ,Westermann J,Kalies Kdoi
10.1111/exd.13450subject
Has Abstractpub_date
2017-12-01 00:00:00pages
1199-1206issue
12eissn
0906-6705issn
1600-0625journal_volume
26pub_type
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