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1000 Titel
  • Systemic mesalazine treatment prevents spontaneous skin fibrosis in PLK2-deficient mice
1000 Autor/in
  1. Newe, Manja |
  2. Kant, Theresa A. |
  3. Hoffmann, Maximilian |
  4. Rausch, Johanna S. E. |
  5. Winter, Luise |
  6. Künzel, Karolina |
  7. Klapproth, Erik |
  8. Günther, Claudia |
  9. Künzel, Stephan |
1000 Erscheinungsjahr 2021
1000 Publikationstyp
  1. Artikel |
1000 Online veröffentlicht
  • 2021-08-19
1000 Erschienen in
1000 Quellenangabe
  • 394(11):2233-2244
1000 Copyrightjahr
  • 2021
1000 Lizenz
1000 Verlagsversion
  • https://doi.org/10.1007/s00210-021-02135-w |
  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8514377/ |
1000 Publikationsstatus
1000 Sprache der Publikation
1000 Abstract/Summary
  • Skin fibrosis is a complex biological remodeling process occurring in disease like systemic sclerosis, morphea, or eosinophilic fasciitis. Since the knowledge about the underlying pathomechanisms is still incomplete, there is currently no therapy, which prevents or reverses skin fibrosis sufficiently. The present study investigates the role of polo-like kinase 2 (PLK2) and the pro-fibrotic cytokine osteopontin (OPN) in the pathogenesis of cutaneous fibrosis and demonstrates the antifibrotic effects of systemic mesalazine treatment in vivo. Isolated primary dermal fibroblasts of PLK2 wild-type (WT) and knockout (KO) mice were characterized in vitro. Skin thickness and histoarchitecture were studied in paraffin-embedded skin sections. The effects of mesalazine treatment were examined in isolated fibroblasts and PLK2 KO mice, which were fed 100 µg/g mesalazine for 6 months via the drinking water. Compared to WT, PLK2 KO fibroblasts displayed higher spontaneous myofibroblast differentiation, reduced proliferation rates, and overexpression of the fibrotic cytokine OPN. In vitro, 72 h of treatment with 10 mmol/L mesalazine induced phenotype conversion in PLK2 KO fibroblasts and attenuated OPN expression by inhibiting ERK1/2. In vivo, dermal myofibroblast differentiation, collagen accumulation, and skin thickening were prevented by mesalazine in PLK2 KO. Plasma creatinine levels indicated good tolerability of systemic long-term mesalazine treatment. The current study reveals a spontaneous fibrotic skin phenotype and ERK1/2-dependent OPN overexpression in PLK2 KO mice. We provide experimental evidence for the antifibrotic effectiveness of systemic mesalazine treatment to prevent fibrosis of the skin, suggesting further investigation in experimental and clinical settings.
1000 Sacherschließung
lokal Fibroblasts/pathology [MeSH]
lokal Cell Differentiation/drug effects [MeSH]
lokal Skin/drug effects [MeSH]
lokal Collagen
lokal Skin/pathology [MeSH]
lokal Original Article
lokal Collagen/metabolism [MeSH]
lokal Male [MeSH]
lokal Phenoconversion
lokal Creatinine/blood [MeSH]
lokal Disease Models, Animal [MeSH]
lokal Skin
lokal Female [MeSH]
lokal Fibroblasts/drug effects [MeSH]
lokal Protein Serine-Threonine Kinases/genetics [MeSH]
lokal Anti-Inflammatory Agents, Non-Steroidal/administration
lokal Anti-Inflammatory Agents, Non-Steroidal/pharmacology [MeSH]
lokal Osteopontin/genetics [MeSH]
lokal Animals [MeSH]
lokal Fibrosis
lokal Cytoskeleton
lokal Mice, Knockout [MeSH]
lokal Mesalamine/toxicity [MeSH]
lokal Myofibroblasts
lokal Mice [MeSH]
lokal Fibrosis/prevention
lokal Mesalamine/administration
lokal Mesalamine/pharmacology [MeSH]
lokal Anti-Inflammatory Agents, Non-Steroidal/toxicity [MeSH]
1000 Liste der Beteiligten
  1. https://frl.publisso.de/adhoc/uri/TmV3ZSwgTWFuamE=|https://frl.publisso.de/adhoc/uri/S2FudCwgVGhlcmVzYSBBLg==|https://frl.publisso.de/adhoc/uri/SG9mZm1hbm4sIE1heGltaWxpYW4=|https://frl.publisso.de/adhoc/uri/UmF1c2NoLCBKb2hhbm5hIFMuIEUu|https://frl.publisso.de/adhoc/uri/V2ludGVyLCBMdWlzZQ==|https://frl.publisso.de/adhoc/uri/S8O8bnplbCwgS2Fyb2xpbmE=|https://frl.publisso.de/adhoc/uri/S2xhcHByb3RoLCBFcmlr|https://frl.publisso.de/adhoc/uri/R8O8bnRoZXIsIENsYXVkaWE=|https://orcid.org/0000-0001-6302-1755
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1000 Erstellt am 2023-05-03T17:04:42.451+0200
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