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Cited by 373

The DOI matches its Crossref record; 44 of the 44 references it cites were found in a registry or an index.

The spatial relationship between stem cells and their progeny in the basal layer of human epidermis: a new view based on whole-mount labelling and lineage analysis

Jensen, Uffe B., Lowell, Sally, Watt, Fiona M.·1999·Development
DOI 10.1242/dev.126.11.2409
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Abstract

In order to examine the spatial organisation of stem cells and their progeny in human epidermis, we developed a method for whole-mount epidermal immunofluorescence labelling using high surface β1 integrin expression as a stem cell marker. We confirmed that there are clusters of high β1 integrin-expressing cells at the tips of the dermal papillae in epidermis from several body sites, whereas α6 integrin expression is more uniform. The majority of actively cycling cells detected by Ki67 or bromodeoxyuridine labelling were found in the β1 integrindull, transit amplifying population and integrin-negative, keratin 10-positive cells left the basal layer exclusively from this compartment. When we examined p53-positive clones in sun-exposed epidermis, we found two types of clone that differed in size and position in a way that was consistent with the founder cell being a stem or transit amplifying cell. The patterning of the basal layer implies that transit amplifying cells migrate over the basement membrane away from the stem cell clusters. In support of this, isolated β1 integrin-dull keratinocytes were more motile on type IV collagen than β1 integrin-bright keratinocytes and EGFP-labelled stem cell clones in confluent cultured sheets were compact, whereas transit amplifying clones were dispersed. The combination of whole-mount labelling and lineage marking thus reveals features of epidermal organisation that were previously unrecognised.

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Metadata

Authors
Jensen, U. B., Lowell, S., & Watt, F. M.
Venue
Development
Publisher
The Company of Biologists
Published
1999-06-01
Volume
126
Issue
11
Pages
2409-2418
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
DOI
10.1242/dev.126.11.2409
OpenAlex
W2153338840
Cited by
373
References
44
FWCI
20.26
Type
journal article
Language
en
Open access
closed

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