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Proteomic Profiling of Enteroid Cultures Skewed toward Development of Specific Epithelial Lineages

Proteomic Profiling of Enteroid Cultures Skewed toward Development of Specific Epithelial Lineages Thumbnail


Abstract

Recently, 3D small intestinal organoids (enteroids) have been developed from cultures of intestinal stem cells which differentiate in vitro to generate all the differentiated epithelial cell types associated with the intestine and mimic the structural properties of the intestine observed in vivo. Small-molecule drug treatment can skew organoid epithelial cell differentiation toward particular lineages, and these skewed enteroids may provide useful tools to study specific epithelial cell populations, such as goblet and Paneth cells. However, the extent to which differentiated epithelial cell populations in these skewed enteroids represent their in vivo counterparts is not fully understood. This study utilises label-free quantitative proteomics to determine whether skewing murine enteroid cultures toward the goblet or Paneth cell lineages results in changes in abundance of proteins associated with these cell lineages in vivo. Here, proteomics data confirms that skewed enteroids recapitulate important features of the in vivo gut environment, demonstrating that they can serve as useful models for the investigation of normal and disease processes in the intestine. Furthermore, comparison of mass spectrometry data with histology data contained within the Human Protein Atlas identifies putative novel markers for goblet and Paneth cells.

Citation

(2018). Proteomic Profiling of Enteroid Cultures Skewed toward Development of Specific Epithelial Lineages. Proteomics, https://doi.org/10.1002/pmic.201800132

Acceptance Date Jun 28, 2018
Publication Date Jun 28, 2018
Journal Proteomics
Print ISSN 1615-9853
Publisher Wiley
DOI https://doi.org/10.1002/pmic.201800132
Keywords Differentiation; gastrointestinal system; mass spectrometry; stem cells
Publisher URL http://doi.org/10.1002/pmic.201800132

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