Control of cell adhesion and detachment using-temperature and thermoresponsive copolymer grafted culture surfaces

Yukiko Tsuda, Akihiko Kikuchi, Masayuki Yamato, Yasuhisa Sakurai, Mitsuo Umezu, Teruo Okano

    Research output: Contribution to journalArticle

    84 Citations (Scopus)

    Abstract

    The hydrophobic monomer, n-butyl methacrylate (BMA) has been incorporated into thermoresponsive poly(N-isopropylacrylamide) (PIPAAm) to lower PIPAAm phase transition temperatures necessary for systematically regulating cell adhesion on and detachment from culture dishes at controlled temperatures. Poly(IPAAm-co-BMA)-grafted dishes were prepared by electron beam irradiation methods, systematically changing BMA content in the feed. Copolymer-grafted surfaces decreased grafted polymer transition temperatures with increasing BMA content as shown by water wettabilities compared to homopolymer PIPAAm-grafted surfaces. Bovine endothelial cells readily adhered and proliferated on copolymer-grafted surfaces above collapse temperature at 37°C, finally reaching confluence. Cell sheet detachment behavior from copolymer-grafted surfaces depended on the culture temperature and BMA content. In conclusion, cell attachment/detachment can be controlled to an arbitrary temperature by varying the content of hydrophobic monomer incorporated into PIPAAm grafted to culture surfaces.

    Original languageEnglish
    Pages (from-to)70-78
    Number of pages9
    JournalJournal of Biomedical Materials Research - Part A
    Volume69
    Issue number1
    Publication statusPublished - 2004 Apr 1

    Fingerprint

    Cell adhesion
    Copolymers
    Superconducting transition temperature
    Temperature
    Monomers
    Endothelial cells
    Homopolymerization
    Cell culture
    Wetting
    Electron beams
    Polymers
    Phase transitions
    butyl methacrylate
    Irradiation
    poly-N-isopropylacrylamide
    Water

    Keywords

    • Cell culture
    • Cell sheet
    • Copolymer grafting
    • N-butyl methacrylate
    • Poly(N-isopropylacrylamide)
    • Temperature responsive surfaces

    ASJC Scopus subject areas

    • Biomedical Engineering
    • Biomaterials

    Cite this

    Control of cell adhesion and detachment using-temperature and thermoresponsive copolymer grafted culture surfaces. / Tsuda, Yukiko; Kikuchi, Akihiko; Yamato, Masayuki; Sakurai, Yasuhisa; Umezu, Mitsuo; Okano, Teruo.

    In: Journal of Biomedical Materials Research - Part A, Vol. 69, No. 1, 01.04.2004, p. 70-78.

    Research output: Contribution to journalArticle

    Tsuda, Yukiko ; Kikuchi, Akihiko ; Yamato, Masayuki ; Sakurai, Yasuhisa ; Umezu, Mitsuo ; Okano, Teruo. / Control of cell adhesion and detachment using-temperature and thermoresponsive copolymer grafted culture surfaces. In: Journal of Biomedical Materials Research - Part A. 2004 ; Vol. 69, No. 1. pp. 70-78.
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    AU - Sakurai, Yasuhisa

    AU - Umezu, Mitsuo

    AU - Okano, Teruo

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