Abstract
Organoids are important research tools for studying organ morphogenesis and differentiation because they recapitulate ex vivo the native 3D organization of cells that is essential for proper cell and organ function. The composition of organoids can be manipulated to incorporate specific cell types to facilitate molecular interrogation of cell-cell interactions during organoid formation. A method for generating organoids derived from both embryonic salivary gland epithelial progenitor cells and mesenchymal support cells is described. Methods for isolating enriched populations of the epithelial cells as clusters and the mesenchyme cells as single cells from mouse embryonic submandibular salivary glands are also provided. Separating the epithelial and mesenchymal cell populations allows for independent molecular manipulation of each cell type. In addition, methods for lentiviral transduction of the mesenchyme cells and quantitative image analysis of organoids are provided. The methods described here are useful for exploring mechanisms driving organ formation. © 2018 by John Wiley & Sons, Inc.
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