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RNA isolation from Peyer's patch lymphocytes and mononuclear phagocytes to determine gene expression profiles using
Navjot Singh1, Heather C Gallagher2,3, Renjie Song4
1Division of Molecular Genetics Wadsworth Center, New York State Department of Health, Albany NY, USA.
Abstract:
Sampling and immune surveillance within gut-associated lymphoid tissues such as the intestinal Peyer's patch (PP) occurs by an elegantly orchestrated effort that involves the epithelial barrier, B and T lymphocytes, and an extensive network of mononuclear phagocytes. Although we now understand more about the dynamics of antigen and microbial sampling within PPs, the gene expression changes that occur in individual cell subsets during sampling are not well characterized. This protocol describes the isolation of high-quality RNA from sorted PP, B and T-lymphocytes, and CD11c+ phagocytes for use with nCounter-NanoString technology. This method allows investigators to study gene expression changes within PPs in response to antigens, microbes, and oral vaccine delivery vehicles of interest that are sampled.