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hK5 and hK7, two Serine Proteinases Abundant in Human Skin, are Inhibited by LEKTI Domain 6

Title data

Egelrud, T. ; Brattsand, M. ; Kreutzmann, P. ; Walden, M. ; Vitzithum, Klaus ; Marx, Ute C. ; Forssmann, Wolf-Georg ; Mägert, H. J.:
hK5 and hK7, two Serine Proteinases Abundant in Human Skin, are Inhibited by LEKTI Domain 6.
In: British Journal of Dermatology. Vol. 153 (2005) Issue 6 . - pp. 1200-1203.
ISSN 1365-2133
DOI: https://doi.org/10.1111/j.1365-2133.2005.06834.x

Abstract in another language

BACKGROUND:
Several skin diseases and atopic disorders including Netherton syndrome and atopic dermatitis have been associated with mutations and deviations of expression of SPINK5, the gene encoding the human 15-domain serine proteinase inhibitor LEKTI. The biochemical mechanisms underlying this phenomenon have not yet been fully clarified.

OBJECTIVES:
To identify target proteinases of LEKTI important for processes of desquamation and inflammation of the skin which will enable the development of specific drugs.

METHODS:
The inhibitory activities of LEKTI domains 6 and 15 were tested on a number of commercially available serine proteinases and also on the purified kallikreins hK5 and hK7. In addition, recombinant hK5 was used.

RESULTS:
LEKTI domain 6 is a potent inhibitor of hK5 and hK7, whereas LEKTI domain 15 exhibits inhibitory activity on plasmin. hK5 and hK7 in particular are relevant to skin disorders.

CONCLUSIONS:
The inhibition of hK5 and hK7 by LEKTI domain 6 indicates an important regulatory role of LEKTI in processes of skin desquamation and inflammation, which may explain the severe pathological symptoms associated with abnormalities of SPINK5 and/or its expression. Thus, LEKTI represents a potential drug for the treatment of these disorders.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Biopolymers - Univ.-Prof. Dr. Paul Rösch
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Biochemistry with an Emphasis on Biophysical Chemistry
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
500 Science > 570 Life sciences, biology
Date Deposited: 28 Jan 2019 13:08
Last Modified: 26 Apr 2022 13:51
URI: https://eref.uni-bayreuth.de/id/eprint/47066