title: Increased susceptibility to proteolytic action of gastric superficial mucosa after sialic acid release.
mesh_terms: D000138:Acidosis / Q000378:metabolism; D000328:Adult; D010450:Endopeptidases / Q000378:metabolism*; D005745:Gastric Acidity Determination; D005750:Gastric Juice; D005753:Gastric Mucosa / Q000201:enzymology / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008875:Middle Aged; D009438:Neuraminic Acids / Q000378:metabolism*; D010206:Papain / Q000378:metabolism; D010434:Pepsin A / Q000378:metabolism; D013270:Stomach / Q000201:enzymology; D014357:Trypsin / Q000378:metabolism
chemical_list: D009438:Neuraminic Acids; D010450:Endopeptidases; D014357:Trypsin; D010206:Papain; D010434:Pepsin A