Gastroenterology

P140 3D BIOENGINEERED TISSUE MODEL OF THE LARGE INTESTINE TO STUDY INFLAMMATORY BOWEL DISEASE




An in vitro model of intestine epithelium with an immune compartment was bioengineered to mimic immunologic responses seen in inflammatory bowel disease [1]. While aspects of intestinal immunity can be modeled in transwells and 2D culture systems, 3D tissue models improve physiological relevance by providing a 3D substrate which enable migration of macrophages towards the epithelium. An intestinal epithelium comprised of non-transformed human colon organoid cells and a subepithelial layer laden with monocyte-derived macrophages was bioengineered to mimic native intestinal mucosa cell organization using spongy silk scaffolds.

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