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    Marine-derived collagen biomaterials from echinoderm connective tissues

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    Type
    Article
    Authors
    Ferrario, Cinzia cc
    Leggio, Livio cc
    Leone, Roberta cc
    Di Benedetto, Cristiano cc
    Guidetti, Luca cc
    Coccè, Valentina cc
    Ascagni, Miriam cc
    Bonasoro, Francesco cc
    La Porta, Caterina A.M. cc
    Candia Carnevali, M. Daniela cc
    Sugni, Michela cc
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Date
    2016-04-02
    Online Publication Date
    2016-04-02
    Print Publication Date
    2017-07
    Permanent link to this record
    http://hdl.handle.net/10754/604714
    
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    Abstract
    The use of marine collagens is a hot topic in the field of tissue engineering. Echinoderms possess unique connective tissues (Mutable Collagenous Tissues, MCTs) which can represent an innovative source of collagen to develop collagen barrier-membranes for Guided Tissue Regeneration (GTR). In the present work we used MCTs from different echinoderm models (sea urchin, starfish and sea cucumber) to produce echinoderm-derived collagen membranes (EDCMs). Commercial membranes for GTR or soluble/reassembled (fibrillar) bovine collagen substrates were used as controls. The three EDCMs were similar among each other in terms of structure and mechanical performances and were much thinner and mechanically more resistant than the commercial membranes. Number of fibroblasts seeded on sea-urchin membranes were comparable to the bovine collagen substrates. Cell morphology on all EDCMs was similar to that of structurally comparable (reassembled) bovine collagen substrates. Overall, echinoderms, and sea urchins particularly, are alternative collagen sources to produce efficient GTR membranes. Sea urchins display a further advantage in terms of eco-sustainability by recycling tissues from food wastes.
    Citation
    Marine-derived collagen biomaterials from echinoderm connective tissues 2016 Marine Environmental Research
    Sponsors
    This research was funded by Young Researcher Grant (University of Milan, PI: Dr. Michela Sugni). We are grateful to the Marine Protected Area of Portofino (GE, Italy) for permission to collect experimental animals and to the scuba diver Dr. Dario Fassini for helping during the collection. We would like to deeply thank Dr. Paolo Tremolada for his support with statistical analyses, Andrea Spalletti and Silvia Colombo for helping in cell culture experiments, Prof. Iain Wilkie for mechanical equipment use and Dr. Dario Fassini for welcome comments on mechanical tests. We also thank Dr. Elena Canciani for providing commercial membranes used in this work.
    Publisher
    Elsevier BV
    Journal
    Marine Environmental Research
    DOI
    10.1016/j.marenvres.2016.03.007
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0141113616300320
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.marenvres.2016.03.007
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division

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