Matriptase and prostasin are expressed in human skin in an inverse trend over the course of differentiation and are targeted to different regions of the plasma membrane

Chih Hsin Lai, Shun Cheng Chang, Yen Ju Chen, Yi Jie J Wang, Ying Jun J Lai, Hsiang Hua D Chang, Eric B. Berens, Michael D. Johnson, Jehng Kang Wang, Chen Yong Lin

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Matriptase and prostasin, acting as a tightly coupled proteolyti cascade, were reported to be required for epidermal barrier formatio in mouse skin. Here we show that, in human skin, matriptase an prostasin are expressed with an inverse pattern over the course o differentiation. Matriptase was detected primarily in epidermal basa keratinocytes and the basaloid cells in the outer root sheath of hai follicles and the sebaceous gland, where prostasin was not detected In contrast, prostasin was detected primarily in differentiated cells i the epidermal granular layer, the inner root sheath of hair follicles, an the sebaceous gland, where matriptase expression is negligible While co-expressed in the middle stage of differentiation, prostasi was detected as polarized patches, and matriptase at intercellula junctions. Targeting to different subcellular localizations is als observed in HaCaT human keratinocytes, in which matriptase wa detected primarily at intercellular junctions, and prostasin primarily o membrane protrusion. Furthermore, upon induction of zymoge activation, free active prostasin remains cell-Associated and fre active matriptase is rapidly shed into the extracellular milieu. Our dat suggest that matriptase and prostasin likely function as independen entities in human skin rather than as a tightly coupled proteolyti cascade as observed in mouse skin.

Original languageEnglish
Pages (from-to)1380-1387
Number of pages8
JournalBiology Open
Volume5
Issue number10
DOIs
Publication statusPublished - Oct 15 2016

Fingerprint

Cell membranes
skin (animal)
Skin
plasma membrane
Cell Membrane
sebaceous glands
keratinocytes
intercellular junctions
Sebaceous Glands
hair follicles
mice
cells
Keratinocytes
Intercellular Junctions
Hair Follicle
matriptase
prostasin
Chemical activation
Membranes

Keywords

  • Matriptase
  • Prostasin
  • Skin

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Matriptase and prostasin are expressed in human skin in an inverse trend over the course of differentiation and are targeted to different regions of the plasma membrane. / Lai, Chih Hsin; Chang, Shun Cheng; Chen, Yen Ju; Wang, Yi Jie J; Lai, Ying Jun J; Chang, Hsiang Hua D; Berens, Eric B.; Johnson, Michael D.; Wang, Jehng Kang; Lin, Chen Yong.

In: Biology Open, Vol. 5, No. 10, 15.10.2016, p. 1380-1387.

Research output: Contribution to journalArticle

Lai, Chih Hsin ; Chang, Shun Cheng ; Chen, Yen Ju ; Wang, Yi Jie J ; Lai, Ying Jun J ; Chang, Hsiang Hua D ; Berens, Eric B. ; Johnson, Michael D. ; Wang, Jehng Kang ; Lin, Chen Yong. / Matriptase and prostasin are expressed in human skin in an inverse trend over the course of differentiation and are targeted to different regions of the plasma membrane. In: Biology Open. 2016 ; Vol. 5, No. 10. pp. 1380-1387.
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