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Low-cost microphysiological systems: feasibility study of a tape-based barrier-on-chip for small intestine modeling.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0002-2331-4833
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Micro and Nanosystems.ORCID iD: 0000-0003-4787-7785
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2020 (English)In: Lab on a Chip, ISSN 1473-0197, E-ISSN 1473-0189, Vol. 20, no 7, p. 1212-1226Article in journal (Refereed) Published
Abstract [en]

We see affordability as a key challenge in making organs-on-chips accessible to a wider range of users, particularly outside the highest-resource environments. Here, we present an approach to barrier-on-a-chip fabrication based on double-sided pressure-sensitive adhesive tape and off-the-shelf polycarbonate. Besides a low materials cost, common also to PDMS or thermoplastics, it requires minimal (€100) investment in laboratory equipment, yet at the same time is suitable for upscaling to industrial roll-to-roll manufacture. We evaluate our microphysiological system with an epithelial (Caco-2/BBe1) barrier model of the small intestine, studying the biological effects of permeable support pore size, as well as stimulation with a common food compound (chili pepper-derived capsaicinoids). The cells form tight and continuous barrier layers inside our systems, with comparable permeability but superior epithelial polarization compared to Transwell culture, in line with other perfused microphysiological models. Permeable support pore size is shown to weakly impact barrier layer integrity as well as the metabolic cell profile. Capsaicinoid response proves distinct between culture systems, but we show that impacted metabolic pathways are partly conserved, and that cytoskeletal changes align with previous studies. Overall, our tape-based microphysiological system proves to be a robust and reproducible approach to studying physiological barriers, in spite of its low cost.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2020. Vol. 20, no 7, p. 1212-1226
Keywords [en]
tape microfluidics, barrier-on-chip, capsaicin
National Category
Other Medical Engineering Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)
Research subject
Applied Medical Technology
Identifiers
URN: urn:nbn:se:kth:diva-271676DOI: 10.1039/d0lc00009dISI: 000527797300012PubMedID: 32141461Scopus ID: 2-s2.0-85082757594OAI: oai:DiVA.org:kth-271676DiVA, id: diva2:1421562
Funder
EU, Horizon 2020, NeuroVUKnut and Alice Wallenberg FoundationGöran Gustafsson Foundation for promotion of scientific research at Uppala University and Royal Institute of Technology
Note

QC 20200422

Available from: 2020-04-03 Created: 2020-04-03 Last updated: 2020-05-07Bibliographically approved

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Winkler, ThomasFeil, MichaelMatthiesen, IsabelleHerland, Anna

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