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Review
. 2021 Jan;30(1):17-24.
doi: 10.1111/exd.14239. Epub 2020 Dec 11.

Laminins and interaction partners in the architecture of the basement membrane at the dermal-epidermal junction

Monique Aumailley  1
Affiliations
Review

Laminins and interaction partners in the architecture of the basement membrane at the dermal-epidermal junction

Monique Aumailley. Exp Dermatol. 2021 Jan.

Abstract

The basement membrane at the dermal-epidermal junction keeps the epidermis attached to the dermis. This anatomical barrier is made up of four categories of extracellular matrix proteins: collagen IV, laminin, nidogen and perlecan. These proteins are precisely arranged in a well-defined architecture through specific interactions between the structural domains of the individual components. Some of the molecular constituents are provided by both fibroblasts and keratinocytes, while others are synthesized exclusively by fibroblasts or keratinocytes. It remains to be determined how the components from the fibroblasts are targeted to the dermal-epidermal junction and correctly organized and integrated with the proteins from the adjacent keratinocytes to form the basement membrane.

Keywords: basement membrane; collagen IV; fibroblast; keratinocyte; laminin; nidogen.

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References

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