Glycoproteins 4 Support, Non-U.S. Gov't 4 article 4 nonhuman 4 sugar transport 4 Aging 2 Animal 2 Animalia 2 Bacillus thuringiensis 2 Bacterial Proteins 2 Blood 2 Cells, Cultured 2 Chick Embryo 2 Chickens 2 Chromatography, Gel 2 Chromatography, Ion Exchange 2 Chromatography, Paper 2 Culture Media 2 Electrophoresis, Polyacrylamide Gel 2 Glucose 2 Glucosephosphates 2 Hydrogen-Ion Concentration 2 Leucine 2 Mannose 2 Nerve Tissue Proteins 2 Neuroglia 2 Neurons 2 Oligosaccharides 2 Pronase 2 Protein Conformation 2