Centre de recherche du Centre hospitalier de l’Université de Montréal (CRCHUM)
2 ARTICLES PUBLISHED IN JoVE
Immunology and Infection
Isolation of Murine Peritoneal Macrophages to Carry Out Gene Expression Analysis Upon Toll-like Receptors Stimulation
Antonio Layoun 1, Macha Samba 1, Manuela M. Santos 1,2
1Centre de recherche du Centre hospitalier de l'Université de Montréal, Institut du cancer de Montréal, 2Département de Médecine, Université de Montréal
We describe here a simple protocol to isolate murine peritoneal macrophages. This procedure is followed by RNA extraction to carry out gene expression analysis upon Toll-like receptors stimulation.
Biology
Assessment of Gut Barrier Integrity in Mice Using Fluorescein-Isothiocyanate-Labeled Dextran
Claire Gerkins 1, Roy Hajjar 1,2, Manon Oliero 1, Manuela M. Santos 1,3
1Nutrition and Microbiome Laboratory, Institut du cancer de Montréal, Centre de recherche du Centre hospitalier de l’Université de Montréal (CRCHUM), 2Digestive Surgery Service, Centre hospitalier de l’Université de Montréal (CHUM), Faculty of Medicine, Université de Montréal, 3Department of Medicine, Faculty of Medicine, Université de Montréal
In the present study, fluorescein-isothiocyanate-labeled (FITC) dextran is administered to mice via oral gavage to evaluate intestinal permeability both in vivo and in plasma and fecal samples. As gut barrier function is affected in many disease processes, this direct and quantitative assay can be used in diverse research areas.
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