3D Bioelectronic Model of the Human Intestine
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Peer-reviewed
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jats:titleAbstract</jats:title>jats:pOrgan on chip (OoC) technologies have the potential to improve the translation of promising therapies currently failing in clinical trials at great expense and time due to dissimilarities between animal and human biology. Successful OoC models integrate human cells within 3D tissues with surrounding biomolecular components, and have benefited from the use of inert 3D gels and scaffolds used as templates, prompting tissue formation. However, monitoring technologies used to assess tissue integrity and drug effects are ill adapted to 3D biology. Here, a tubular electroactive scaffold serves as a template for a 3D human intestine, and enables dynamic electrical monitoring of tissue formation over 1 month. Cell‐ and extracellular matrix component‐invoked changes in the properties of the scaffold alleviate the need for posthoc placement of invasive metallic electrodes or downstream analyses. Formation of in vivo‐like stratified and polarized intestinal tissue compete with lumen contrasts with other quasi‐3D models of the intestine using rigid porous membrane to separate cell types. These results provide unprecedented real‐time information on tissue formation with highly sensitive multimodal operation, thanks to dual electrode and transistor operation. This device and the methodology for tissue growth within it represents a paradigm shift for disease modeling and drug discovery.</jats:p>
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2366-7478
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EPSRC (1943009)