2018 journal article
Intestinal Stem Cell Isolation and Culture in a Porcine Model of Segmental Small Intestinal Ischemia
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, (135).
author keywords: Medicine; Issue 135; Porcine; intestine; ischemia-reperfusion; stem cell; enteroid; organoid
MeSH headings : Animals; Cell Culture Techniques / methods; Disease Models, Animal; Humans; Intestine, Small / cytology; Intestine, Small / metabolism; Intestine, Small / pathology; Ischemia / etiology; Mice; Stem Cells / metabolism; Swine
TL;DR:
By utilizing a porcine model, a protocol is established in which segmental loops of intestinal ischemia can be created within a single animal, enabling the study of differing time points of ischemic injury and repair in vivo.
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open access via www.jove.com (publisher PDF)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science; OpenAlex)
Source: Web Of Science
Added: October 16, 2018
Intestinal ischemia remains a major cause of morbidity and mortality in human and veterinary patients. Many disease processes result in intestinal ischemia, when the blood supply and therefore oxygen is decreased to the intestine. This leads to intestinal barrier loss and damage to the underlying tissue. Intestinal stem cells reside at the base of the crypts of Lieberkühn and are responsible for intestinal renewal during homeostasis and following injury. Ex vivo cell culture techniques have allowed for the successful study of epithelial stem cell interactions by establishing culture conditions that support the growth of three-dimensional epithelial organ-like systems (termed "enteroids" and "colonoids" from the small and large intestine, respectively). These enteroids are composed of crypt and villus-like domains and mature to contain all of the cell types found within the epithelium. Historically, murine models have been utilized to study intestinal injury. However, a porcine model offers several advantages including similarity of size as well as gastrointestinal anatomy and physiology to that of humans. By utilizing a porcine model, we establish a protocol in which segmental loops of intestinal ischemia can be created within a single animal, enabling the study of differing time points of ischemic injury and repair in vivo. Additionally, we describe a method to isolate and culture the intestinal stem cells from the ischemic loops of intestine, allowing for the continued study of epithelial repair, modulated by stem cells, ex vivo.