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LiQD Cornea: Pro-regeneration collagen mimetics as patches and alternatives to corneal transplantation
Hop Maison Neuve Rosemont, Canada; Univ Montreal, Canada; Univ Montreal, Canada; Univ Ottawa, Canada.
Hop Maison Neuve Rosemont, Canada; Univ Montreal, Canada; Univ Montreal, Canada.
Univ Antwerp, Belgium.
Linköping University, Department of Biomedical and Clinical Sciences. Linköping University, Faculty of Medicine and Health Sciences. Univ Sydney, Australia.
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2020 (English)In: Science Advances, E-ISSN 2375-2548, Vol. 6, no 25, article id eaba2187Article in journal (Refereed) Published
Abstract [en]

Transplantation with donor corneas is the mainstay for treating corneal blindness, but a severe worldwide shortage necessitates the development of other treatment options. Corneal perforation from infection or inflammation is sealed with cyanoacrylate glue. However, the resulting cytotoxicity requires transplantation. LiQD Cornea is an alternative to conventional corneal transplantation and sealants. It is a cell-free, liquid hydrogel matrix for corneal regeneration, comprising short collagen-like peptides conjugated with polyethylene glycol and mixed with fibrinogen to promote adhesion within tissue defects. Gelation occurs spontaneously at body temperature within 5 min. Light exposure is not required-particularly advantageous because patients with corneal inflammation are typically photophobic. The self-assembling, fully defined, synthetic collagen analog is much less costly than human recombinant collagen and reduces the risk of immune rejection associated with xenogeneic materials. In situ gelation potentially allows for clinical application in outpatient clinics instead of operating theaters, maximizing practicality, and minimizing health care costs.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE , 2020. Vol. 6, no 25, article id eaba2187
National Category
Cell and Molecular Biology
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URN: urn:nbn:se:liu:diva-167688DOI: 10.1126/sciadv.aba2187ISI: 000542299800016PubMedID: 32596453OAI: oai:DiVA.org:liu-167688DiVA, id: diva2:1454701
Note

Funding Agencies|Euronanomed II-Swedish Research Council [IKE-2014-00597]; Euronanomed III-FRQS [278653]; Quebec Vision Health Research Network-FRQS [2017-3]; Caroline Foundation Research Chair for Cellular Therapy in the Eye; NIHR Biomedical Research Centre at the Moorfields Eye Hospital NHS Foundation Trust [BRC-1215-20002]; UCL Institute of Ophthalmology; Westmead Charitable Trust Early Career Research Fellowship [CC368629-8245]; Faculte des etudes superieures et postdoctorales de lUniversite de Montreal; Fonds de recherche en ophtalmologie de lUniversite de Montreal (FROUM); Fonds de recherche du Quebec-Nature et technologies (FRQNT); Natural Sciences and Engineering Research Council of Canada (NSERC)Natural Sciences and Engineering Research Council of Canada

Available from: 2020-07-20 Created: 2020-07-20 Last updated: 2021-12-29

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Samarawickrama, ChameenBuznyk, OleksiyFagerholm, PerKozak Ljunggren, Monika
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Department of Biomedical and Clinical SciencesFaculty of Medicine and Health SciencesDivision of Sensory Organs and CommunicationDepartment of Ophthalmology in LinköpingDivision of Cell Biology
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