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The barrier function of organotypic non-melanoma skin cancer models
C. Zoschke, M. Ulrich, M. Sochorová, C. Wolff, K. Vávrová, N. Ma, C. Ulrich, JM. Brandner, M. Schäfer-Korting,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- diterpeny farmakologie MeSH
- esterasy metabolismus MeSH
- fibroblasty metabolismus MeSH
- keratinocyty metabolismus MeSH
- kofein farmakologie MeSH
- kokultivační techniky MeSH
- kůže účinky léků metabolismus MeSH
- lidé MeSH
- metabolismus lipidů MeSH
- nádorové buněčné linie MeSH
- nádory kůže metabolismus MeSH
- proteiny těsného spoje metabolismus MeSH
- viabilita buněk účinky léků MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Non-melanoma skin cancer (NMSC) is the most frequent human cancer with continuously rising incidences worldwide. Herein, we investigated the molecular basis for the impaired skin barrier function of organotypic NMSC models. We unraveled disturbed epidermal differentiation by reflectance confocal microscopy and histopathological evaluation. While the presence of claudin-4 and occludin were distinctly reduced, zonula occludens protein-1 was more wide-spread, and claudin-1 was heterogeneously distributed within the NMSC models compared with normal reconstructed human skin. Moreover, the cancer altered stratum corneum lipid packing and profile with decreased cholesterol content, increased phospholipid amount, and altered ceramide subclasses. These alterations contributed to increased surface pH and to 1.5 to 2.6-fold enhanced caffeine permeability of the NMSC models. Three topical applications of ingenol mebutate gel (0.015%) caused abundant epidermal cell necrosis, decreased Ki-67 indices, and increased lactate dehydrogenase activity. Taken together, our study provides new biological insights into the microenvironment of organotypic NMSC models, improves the understanding of the disease model by revealing causes for impaired skin barrier function in NMSC models at the molecular level, and fosters human cell-based approaches in preclinical drug evaluation.
Collegium Medicum Berlin Luisenstr 54 10117 Berlin Germany
Institute for Pharmacy Freie Universität Berlin Königin Luise Str 2 4 14195 Berlin Germany
Citace poskytuje Crossref.org
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- $a Non-melanoma skin cancer (NMSC) is the most frequent human cancer with continuously rising incidences worldwide. Herein, we investigated the molecular basis for the impaired skin barrier function of organotypic NMSC models. We unraveled disturbed epidermal differentiation by reflectance confocal microscopy and histopathological evaluation. While the presence of claudin-4 and occludin were distinctly reduced, zonula occludens protein-1 was more wide-spread, and claudin-1 was heterogeneously distributed within the NMSC models compared with normal reconstructed human skin. Moreover, the cancer altered stratum corneum lipid packing and profile with decreased cholesterol content, increased phospholipid amount, and altered ceramide subclasses. These alterations contributed to increased surface pH and to 1.5 to 2.6-fold enhanced caffeine permeability of the NMSC models. Three topical applications of ingenol mebutate gel (0.015%) caused abundant epidermal cell necrosis, decreased Ki-67 indices, and increased lactate dehydrogenase activity. Taken together, our study provides new biological insights into the microenvironment of organotypic NMSC models, improves the understanding of the disease model by revealing causes for impaired skin barrier function in NMSC models at the molecular level, and fosters human cell-based approaches in preclinical drug evaluation.
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- $a Ulrich, Martina $u Collegium Medicum Berlin, Luisenstr. 54, 10117 Berlin, Germany; Department of Dermatology, Venereology and Allergology, Skin Cancer Center Charité, Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany.
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- $a Sochorová, Michaela $u Faculty of Pharmacy, Charles University in Prague, Akademika Heyrovského 1203, 50005 Hradec Králové, Czech Republic.
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