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Noninvasive cross-sectional observation of three-dimensional cell sheet-tissue-fabrication by optical coherence tomography.


ABSTRACT: Cell sheet engineering allows investigators/clinicians to prepare cell-dense three-dimensional (3-D) tissues, and various clinical trials with these fabricated tissues have already been performed for regenerating damaged tissues. Cell sheets are easily manipulated and 3-D tissues can be rapidly fabricated by layering the cell sheets. This study used optical coherence tomography (OCT) to noninvasively analyze the following processes: (1) adhesions between layered cell sheets, and (2) the beating and functional interaction of cardiac cell sheet-tissues for fabricating functional thicker 3-D tissues. The tight adhesions and functional couplings between layered cell sheets could be observed cross-sectionally and in real time. Importantly, the noninvasive and cross-sectional analyses of OCT make possible to fabricate 3-D tissues by confirming the adherence and functional couplings between layered cell sheets. OCT technology would contribute to cell sheet engineering and regenerative medicine.

SUBMITTER: Haraguchi Y 

PROVIDER: S-EPMC5668641 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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Noninvasive cross-sectional observation of three-dimensional cell sheet-tissue-fabrication by optical coherence tomography.

Haraguchi Yuji Y   Shimizu Tatsuya T   Mizuuchi Kiminori K   Kawata Hiroto H   Kobayashi Mari M   Hirai Yasushi Y   Iwana Shin-Ichi SI  

Biochemistry and biophysics reports 20150512


Cell sheet engineering allows investigators/clinicians to prepare cell-dense three-dimensional (3-D) tissues, and various clinical trials with these fabricated tissues have already been performed for regenerating damaged tissues. Cell sheets are easily manipulated and 3-D tissues can be rapidly fabricated by layering the cell sheets. This study used optical coherence tomography (OCT) to noninvasively analyze the following processes: (1) adhesions between layered cell sheets, and (2) the beating  ...[more]

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