Horn, Mareike and Neundorf, Ines ORCID: 0000-0001-6450-3991 (2018). Design of a novel cell-permeable chimeric peptide to promote wound healing. Sci Rep, 8. LONDON: NATURE PUBLISHING GROUP. ISSN 2045-2322

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Abstract

Biological membranes are impermeable to almost all compounds having a molecular weight greater than 500 Da. Recently, cell penetrating peptides (CPPs) as delivery vehicles have attracted great interest in the medical sector for the development of novel therapeutic agents or cosmetic products. Herein, a wound healing promoting sequence, namely Tylotoin, was covalently coupled with a cell penetrating peptide to improve the delivery of Tylotoin across cellular membranes. Indeed, internalization studies indicated that the cellular uptake of these novel peptide conjugates into keratinocytes was significantly improved accompanied by good tolerability. In a scratch wound closure assay used to investigate the wound healing capability, the most promising novel peptide chimera (Tylotoin-sC18*) was found to promote the migration of keratinocytes indicating that the fusion to Tylotoin did not cause any loss in its activity. Even more, proliferative effects on keratinocytes were observed, an important step during the wound healing process. Still more encouraging is the capability of Tylotoin-sC18* to exhibit strong antimicrobial activities since the process of wound healing is often affected by bacterial infections. Owing to their multiple functions, the novel peptide chimera may have potential as future agents for the treatment of infected wounds.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Horn, MareikeUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Neundorf, InesUNSPECIFIEDorcid.org/0000-0001-6450-3991UNSPECIFIED
URN: urn:nbn:de:hbz:38-166105
DOI: 10.1038/s41598-018-34684-1
Journal or Publication Title: Sci Rep
Volume: 8
Date: 2018
Publisher: NATURE PUBLISHING GROUP
Place of Publication: LONDON
ISSN: 2045-2322
Language: English
Faculty: Faculty of Mathematics and Natural Sciences
Divisions: Faculty of Mathematics and Natural Sciences > Department of Chemistry > Institute of Biochemistry
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
TRANSDERMAL DRUG-DELIVERY; EPIDERMAL-GROWTH-FACTOR; PENETRATING PEPTIDES; ANTIMICROBIAL PEPTIDES; SECONDARY STRUCTURE; SKIN; KERATINOCYTES; MEMBRANES; NANOPARTICLES; SELECTIVITYMultiple languages
Multidisciplinary SciencesMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/16610

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