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The Mixed Lineage Kinase Leucine-Zipper Protein Kinase Exhibits a Differentiation-Associated Localization in Normal Human Skin and Induces Keratinocyte Differentiation upon Overexpression by Lucie Germain; Julie Fradette; Hubert Robitaille; Rina Guignard; Gilles Grondin; André Nadeau; Richard Blouin is a Medicine article available to read on EtoBox.

Leucine-zipper protein kinase/dual leucine zipper bearing kinase/mitogen-activated protein kinase-upstream kinase is a recently described protein serine/threonine kinase which belongs to the mixed lineage kinase family. The overall pattern of expression of the leucine-zipper protein kinase/dual leucine zipper bearing kinase/mitogen-activated protein kinase-upstream kinase gene in embryonic and adult mouse tissues suggested that this kinase could be involved in the regulation of epithelial cell proliferation and differentiation. In order to get more insights into the potential role of leucine-zipper protein kinase in these cellular processes, we characterized its expression in normal human skin, both at the mRNA and protein levels. In situ hybridization, western blotting, and indirect immunofluorescence studies were conducted to localize leucine-zipper protein kinase on various human skin tissues. This is one of the first reports that leucine-zipper protein kinase has a very precise pattern of expression in human skin epithelia, as both mRNA and protein are restricted to the granular layer of the epidermis and inner root sheath of hair follicles. Detection of leucine-zipper protein

Author

Lucie Germain; Julie Fradette; Hubert Robitaille; Rina Guignard; Gilles Grondin; André Nadeau; Richard Blouin

Publisher

Nature Publishing Group; Elsevier ; Elsevier Inc.; Elsevier BV; Springer Science and Business Media LLC; Wiley (ISSN 0022-202X)

Published

2000

Language

EN

Field

Medicine (Health Sciences)