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    Thermofluidic heat exchangers for actuation of transcription in artificial tissues

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    Author
    Corbett, Daniel C.; Fabyan, Wesley B.; Grigoryan, Bagrat; O'Connor, Colleen E.; Johansson, Fredrik; More... Batalov, Ivan; Regier, Mary C.; DeForest, Cole A.; Miller, Jordan S.; Stevens, Kelly R. Less...
    Date
    2020
    Abstract
    Spatial patterns of gene expression in living organisms orchestrate cell decisions in development, homeostasis, and disease. However, most methods for reconstructing gene patterning in 3D cell culture and artificial tissues are restricted by patterning depth and scale. We introduce a depth- and scale-flexible method to direct volumetric gene expression patterning in 3D artificial tissues, which we call “heat exchangers for actuation of transcription” (HEAT). This approach leverages fluid-based heat transfer from printed networks in the tissues to activate heat-inducible transgenes expressed by embedded cells. We show that gene expression patterning can be tuned both spatially and dynamically by varying channel network architecture, fluid temperature, fluid flow direction, and stimulation timing in a user-defined manner and maintained in vivo. We apply this approach to activate the 3D positional expression of Wnt ligands and Wnt/β-catenin pathway regulators, which are major regulators of development, homeostasis, regeneration, and cancer throughout the animal kingdom.
    Citation
    Corbett, Daniel C., Fabyan, Wesley B., Grigoryan, Bagrat, et al.. "Thermofluidic heat exchangers for actuation of transcription in artificial tissues." Science Advances, 6, no. 40 (2020) AAAS: https://doi.org/10.1126/sciadv.abb9062.
    Published Version
    https://doi.org/10.1126/sciadv.abb9062
    Type
    Journal article
    Publisher
    AAAS
    Citable link to this page
    https://hdl.handle.net/1911/109520
    Rights
    This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
    Link to License
    https://creativecommons.org/licenses/by-nc/4.0/
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    • Bioengineering Publications [520]
    • Faculty Publications [4032]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map