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- Title
Therapeutic Implications of Targeting Heat Shock Protein 70 by Immunization or Antibodies in Experimental Skin Inflammation.
- Authors
Tukaj, Stefan; Mantej, Jagoda; Sobala, Michał; Potrykus, Katarzyna; Tukaj, Zbigniew; Zillikens, Detlef; Ludwig, Ralf J.; Bieber, Katja; Kasperkiewicz, Michael
- Abstract
Heat shock proteins (Hsp) are constitutive and stress-induced molecules which have been reported to impact innate and adaptive immune responses. Here, we evaluated the role of Hsp70 as a treatment target in the imiquimod-induced, psoriasis-like skin inflammation mouse model and related in vitro assays. We found that immunization of mice with Hsp70 resulted in decreased clinical and histological disease severity associated with expansion of T cells in favor of regulatory subtypes (CD4+FoxP3+/CD4+CD25+ cells). Similarly, anti-Hsp70 antibody treatment led to lowered disease activity associated with down-regulation of pro-inflammatory Th17 cells. A direct stimulating action of Hsp70 on regulatory T cells and its anti-proliferative effects on keratinocytes were confirmed in cell culture experiments. Our observations suggest that Hsp70 may be a promising therapeutic target in psoriasis and potentially other autoimmune dermatoses.
- Subjects
HEAT shock proteins; SKIN inflammation; SUPPRESSOR cells; T helper cells; IMMUNIZATION
- Publication
Frontiers in Immunology, 2021, Vol 11, pN.PAG
- ISSN
1664-3224
- Publication type
Article
- DOI
10.3389/fimmu.2021.614320