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Engineering an in vitro air-blood barrier by 3D bioprinting

  • Horváth, Lenke Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Umehara, Yuki Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Jud, Corinne Agroscope, Institute for Livestock Sciences ILS, CH-1725 Posieux, Switzerland
  • Blank, Fabian Department of Respiratory Medicine, Bern University Hospital, Switzerland
  • Petri-Fink, Alke Chemistry department, University of Fribourg, Switzerland
  • Rothen-Rutishauser, Barbara Adolphe Merkle Institute, University of Fribourg, Switzerland
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  • Scientific Reports. - 2015, vol. 5, no. 1, p. 7974
English Intensive efforts in recent years to develop and commercialize in vitro alternatives in the field of risk assessment have yielded new promising two- and three dimensional (3D) cell culture models. Nevertheless, a realistic 3D in vitro alveolar model is not available yet. Here we report on the biofabrication of the human air-blood tissue barrier analogue composed of an endothelial cell, basement membrane and epithelial cell layer by using a bioprinting technology. In contrary to the manual method, we demonstrate that this technique enables automatized and reproducible creation of thinner and more homogeneous cell layers, which is required for an optimal air-blood tissue barrier. This bioprinting platform will offer an excellent tool to engineer an advanced 3D lung model for high-throughput screening for safety assessment and drug efficacy testing.
Faculté des sciences et de médecine
Département de Chimie
  • English
Biological sciences
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