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Methods Enzymol. 2013;525:285-309. doi: 10.1016/B978-0-12-397944-5.00014-6.

Analysis of ciliogenesis in primary culture mouse tracheal epithelial cells.

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1
Department of Pathology, Stanford University School of Medicine, Stanford, California, USA. vladar@stanford.edu

Abstract

Cell biological and molecular characterization of structural and functional ciliary components and regulators of mammalian motile ciliogenesis is made possible by the development of a robust and biologically faithful mouse tracheal epithelial cell (MTEC) culture system and complementary research techniques. Here, we describe the air-liquid interface culture of mouse airway epithelial progenitor cells that undergo motile ciliogenesis de novo. Multiciliated cells differentiate rapidly, and distinct stages of the ciliogenesis pathway can be identified and characterized with centriolar and ciliary immunofluorescence markers. Immunolabeled structures correlate with morphological features previously identified by electron microscopy, facilitating light microscopy analysis. MTEC cultures can be successfully transduced by lentiviral RNAi or epitope-tagged cDNA constructs to perturb gene expression. Also, motile ciliogenesis can be manipulated by drug treatment. Distinct cell populations can be isolated by cell sorting to facilitate comparison among the multiciliated and other cell types in the in vitro differentiated epithelium. The MTEC system uniquely offers the study of ciliogenesis in cells from genetically modified mouse strains.

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