The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
A crucial role of β1 integrins for keratinocyte migration in vitro and during cutaneous wound repair
Abstract
Integrins are ubiquitous transmembrane receptors that play crucial roles in cell-cell and cell-matrix interactions. In this study, we have determined the effects of the loss of β1 integrins in keratinocytes in vitro and during cutaneous wound repair. Flow cytometry of cultured β1-deficient keratinocytes confirmed the absence of β1 integrins and showed downregulation of α6β4 but not of αv integrins. β1-null keratinocytes were characterised by poor adhesion to various substrates, by a reduced proliferation rate and by a strongly impaired migratory capacity. In vivo, the loss of β1 integrins in keratinocytes caused a severe defect in wound healing. β1-null keratinocytes showed impaired migration and were more densely packed in the hyperproliferative epithelium. Surprisingly, their proliferation rate was not reduced in early wounds and even increased in late wounds. The failure in re-epithelialisation resulted in a prolonged inflammatory response, leading to dramatic alterations in the expression of important wound-regulated genes. Ultimately, β1-deficient epidermis did cover the wound bed, but the epithelial architecture was abnormal. These findings demonstrate a crucial role of β1 integrins in keratinocyte migration and wound re-epithelialisation. Movies available on-line
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Citations
Cites
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Redox Status Is Critical for Stemness in Skin Equivalents
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Metadata
- Authors
- Grose, R., Hutter, C., Bloch, W., Thorey, I., Watt, F. M., Fässler, R., Brakebusch, C., & Werner, S.
- Venue
- Development
- Publisher
- The Company of Biologists
- Published
- 2002-05-01
- Volume
- 129
- Issue
- 9
- Pages
- 2303-2315
- ISSN
- 0950-1991 (ISSN-L)
- 1477-9129
- OpenAlex
- W2133120721
- Cited by
- 277
- References
- 1
- FWCI
- 7.22
- Type
- journal article
- Language
- en
- Open access
- closed
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