Cited by 612Fibroblast Growth Factor ResearchWound Healing and TreatmentsLiver physiology and pathology

Large induction of keratinocyte growth factor expression in the dermis during wound healing

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Werner, S, Peters, K G, Longaker, M T, Fuller-Pace, F, Banda, M J, Williams, L T·1992·Proceedings of the National Academy of Sciences

Abstract

Recent studies have shown that application of basic fibroblast growth factor (basic FGF) to a wound has a beneficial effect. However, it has not been assessed whether endogenous FGF also plays a role in tissue repair. In this study we found a 160-fold induction of mRNA encoding keratinocyte growth factor (KGF) 1 day after skin injury. This large induction was unique within the family of FGFs, since mRNA levels of acidic FGF, basic FGF, and FGF-5 were only slightly induced (2- to 10-fold) during wound healing, and there was no expression of FGF-3, FGF-4, and FGF-6 detected in normal and wounded skin. High levels of FGF receptor 1 and FGF receptor 2 mRNA and low levels of FGF receptor 3 mRNA were found in both normal and wounded skin. No change in the levels of these transcripts was detected during wound healing. In situ hybridization studies revealed highest levels of KGF mRNA expression in the dermis at the wound edge and in the hypodermis below the wound. In contrast, mRNA encoding the receptor of this growth factor (a splice variant of FGF receptor 2) was predominantly expressed in the epidermis. These results suggest that basal keratinocytes are stimulated by dermally derived KGF during wound healing and implicate a unique role of this member of the FGF family in wound repair.

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Crossref · 10.1073/pnas.89.15.6896

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Authors
Werner, S., Peters, K. G., Longaker, M. T., Fuller-Pace, F., Banda, M. J., & Williams, L. T.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Proceedings of the National Academy of Sciences
Published
1992-08
Volume
89
Issue
15
Pages
6896-6900
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1980398407
Cited by
612
References
34
Citations by year
2026: 6 · 2025: 5 · 2024: 6 · 2023: 6 · 2022: 11 · 2021: 9 · 2020: 7 · 2019: 7 · 2018: 12 · 2017: 7 · 2016: 7 · 2015: 12 · 2014: 15 · 2013: 16 · 2012: 10
FWCI
7.54
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Discovery Research Portal (University of Dundee) (submittedVersion)
Funders
  • National Institutes of Health (5p01hl043821-07)
  • National Heart, Lung, and Blood Institute (HL43821)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fibroblast Growth Factor Research
  • Health Sciences › Medicine › Rehabilitation › Wound Healing and Treatments
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
keratinocyte growth factor, wound healing, dermis, FGF receptor 1, FGF receptor 3, basic fibroblast growth factor, acidic fibroblast growth factor, FGF5, keratinocytes, skin damage, mRNA expression, tissue repair
MeSH terms
Animals, DNA, Fibroblast Growth Factors, Growth Substances, Mice, Inbred BALB C, Reference Values, RNA, RNA, Messenger, Skin, Skin Physiological Phenomena, Templates, Genetic, Transcription, Genetic, Wound Healing, Gene Expression, Mice, Fibroblast Growth Factor 7, Fibroblast Growth Factor 10, ErbB Receptors

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