Robert Koch-Institute
2 ARTICLES PUBLISHED IN JoVE
Immunology and Infection
IgY Technology: Extraction of Chicken Antibodies from Egg Yolk by Polyethylene Glycol (PEG) Precipitation
Diana Pauly 1, Pablo A. Chacana 2, Esteban G. Calzado 3, Björn Brembs 4, Rüdiger Schade 5
1Center for Biological Security, Robert Koch-Institute, 2CICVyA - INTA Castelar, Instituto de Virología, 3Center of Molecular Immunology, Ciudad de la Habana, Cuba, 4Department of Biology, Chemistry, Pharmacy, Institute of Biology-Neurobiology, Free University of Berlin, 5Institut of Pharmacology, Charité-University Medicine of Berlin
This protocol describes in particular the extraction of total IgY from egg yolk by means of polyethylene glycol precipitation and gives general information about IgY technology.
Biology
Culture of Piglet Intestinal 3D Organoids from Cryopreserved Epithelial Crypts and Establishment of Cell Monolayers
Eloïse Mussard 1,2, Corinne Lencina 1, Gaëlle Boudry 3, Caroline S. Achard 2, Christian Klotz 4, Sylvie Combes 1, Martin Beaumont 1
1GenPhySE, Université de Toulouse, INRAE, ENVT, 2Lallemand Animal Nutrition, 3Institut NuMeCan, INRAE, INSERM, Université de Rennes, 4FG 16: Mycotic and Parasitic Agents and Mycobacteria, Robert Koch-Institute
Here, we describe a protocol to culture pig intestinal 3D organoids from cryopreserved epithelial crypts. We also describe a method to establish cell monolayers derived from 3D organoids, allowing access to the apical side of epithelial cells.
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