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Cited by 204

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Expression and role of E- and P-cadherin adhesion molecules in embryonic histogenesis II. Skin morphogenesis

Hirai, Yohei, Nose, Akinao, Kobayashi, Shigeyasu, Takeichi, Masatoshi·1989·Development
DOI 10.1242/dev.105.2.271
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Abstract

Expression and the role of E- and P-cadherin in the histogenesis of the surface epidermis and hair follicles were examined using the upper lip skin of the mouse. P-cadherin is expressed exclusively in the proliferating region of these tissues, that is in the germinative layer of the surface epidermis, the outer root sheath and the hair matrix. E-cadherin is coexpressed in these layers but this molecule was also detected in non-proliferating regions such as the intermediate layer of the surface epidermis and the immature regions of the inner root sheath. Neither P- nor E-cadherin was detected in fully keratinized layers such as the horny layer of the surface epidermis, the outermost layer of the outer root sheath and the mature hair fibres. These two cadherins were not detected in dermal cells. We cultured pieces of the upper lip skin in vitro in the absence or presence of a monoclonal antibody to E-cadherin (ECCD-1) or to P-cadherin (PCD-1). In control cultures, skin morphogenesis normally occurred in a pattern whereby the hair follicles grew and dermal cells were condensed to form the dermal sheath. A mixture of ECCD-1 and PCD-1, however, induced abnormal morphogenesis in the skin in several respects. (1) The cuboidal or columnar arrangement of basal epithelial cells was distorted. (2) Hair follicles were deformed. (3) Condensation of dermal cells was suppressed, causing a homogeneous distribution of these cells. These results suggest that cadherins present in epidermal cells are involved not only in maintaining the arrangement of these cells but also in inducing dermal condensation.

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Metadata

Authors
Hirai, Y., Nose, A., Kobayashi, S., & Takeichi, M.
Venue
Development
Publisher
The Company of Biologists
Published
1989-02-01
Volume
105
Issue
2
Pages
271-277
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
DOI
10.1242/dev.105.2.271
OpenAlex
W2342443123
Cited by
204
References
0
FWCI
12.82
Type
journal article
Language
en
Open access
closed

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