Transparent crosslinked ultrashort peptide hydrogel dressing with high shape-fidelity accelerates healing of full-thickness excision wounds
Type
ArticleKAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionBioscience Program
Computational Bioscience Research Center (CBRC)
Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Laboratory for Nanomedicine, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
Date
2016-09-07Online Publication Date
2016-09-07Print Publication Date
2016-12Permanent link to this record
http://hdl.handle.net/10754/622016
Metadata
Show full item recordAbstract
Wound healing is a major burden of healthcare systems worldwide and hydrogel dressings offer a moist environment conducive to healing. We describe cysteine-containing ultrashort peptides that self-assemble spontaneously into hydrogels. After disulfide crosslinking, the optically-transparent hydrogels became significantly stiffer and exhibited high shape fidelity. The peptide sequence (LIVAGKC or LK6C) was then chosen for evaluation on mice with full-thickness excision wounds. Crosslinked LK6C hydrogels are handled easily with forceps during surgical procedures and offer an improvement over our earlier study of a non-crosslinked peptide hydrogel for burn wounds. LK6C showed low allergenic potential and failed to provoke any sensitivity when administered to guinea pigs in the Magnusson-Kligman maximization test. When applied topically as a dressing, the medium-infused LK6C hydrogel accelerated re-epithelialization compared to controls. The peptide hydrogel is thus safe for topical application and promotes a superior rate and quality of wound healing.Citation
Seow WY, Salgado G, Lane EB, Hauser CAE (2016) Transparent crosslinked ultrashort peptide hydrogel dressing with high shape-fidelity accelerates healing of full-thickness excision wounds. Scientific Reports 6: 32670. Available: http://dx.doi.org/10.1038/srep32670.Sponsors
We thank Declan Lunny (Institute of Medical Biology, Singapore) for valuable discussions and the blind scoring of tissues. This work was supported by the Institute of Bioengineering and Nanotechnology (Biomedical Research Council, Agency for Science, Technology and Research, Singapore).Publisher
Springer NatureJournal
Scientific ReportsPubMed ID
27600999Additional Links
http://www.nature.com/articles/srep32670ae974a485f413a2113503eed53cd6c53
10.1038/srep32670
Scopus Count
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