國家衛生研究院 NHRI:Item 3990099045/7801
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    题名: Design and synthesis of elastin-like polypeptides for an ideal nerve conduit in peripheral nerve regeneration
    作者: Hsueh, YS;Savitha, S;Sadhasivam, S;Lin, FH;Shieh, MJ
    贡献者: Division of Medical Engineering Research
    摘要: The study involves design and synthesis of three different elastin like polypepides (ELPs) gene monomers namely ELP1, ELP2 and ELP3 that encode for ELP proteins. The formed ELPs were assessed as an ideal nerve conduit for peripheral nerve regeneration. ELP1 was constructed with a small elongated pentapeptide carrying VPGVG sequence to mimic the natural polypeptide ELP. The ELP2 was designed by the incorporation of 4-penta peptide chains to improve the biocompatibility and mechanical strength. Thus, the third position in unique VPGVG was replaced with alanine to VPAVG and in a similar way modified to VPGKG, VPGEG and VPGIG with the substitution of lysine, glutamic acid and isoleucine. In ELP3, fibronectin C5 domain endowed with REDV sequence was introduced to improve the cell attachment. The ELP1, ELP2 and ELP3 proteins expressed by Escherichia coli were purified by inverse transition cycling (ITC). The purified ELPs were confirmed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and western blotting. The Schwann cells (SCs) morphology and cell adhesion was assessed by fabrication of ELP membrane cross-linked with glutaraledhyde. The Schwann cell proliferation was measured by WST-1 assay. Immunofluorostaining of Schwann cells was accomplished with SCs specific phenotypic marker, S100.
    日期: 2014-05
    關聯: Materials Science and Engineering: C. 2014 May;38(1):119-126.
    Link to: http://dx.doi.org/10.1016/j.msec.2014.01.058
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0928-4931&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000334984400015
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84894266972
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