Abstract
Immune sera from 15 patients with cured amoebic liver abscess were used to recognise the antigens of Entamoeba histolytica (HMI) by immunoblotting. The amoebic proteins most frequently recognised by sera from patients with cured amoebic liver abscess had molecular masses of 8, 13, 18, 22, 29, 38, 45, 67 and 94 kDa. Six plasma membrane-associated amoebic proteins of molecular mass 29, 38, 45–67 complex, 85 and 94 kDa were strongly recognised by such sera. Two plasma membrane-associated antigens of 108 and 129 kDa were not recognised by any sera. None of the crude or plasma membrane-associated antigens were recognised by sera from five patients of idiopathic ulcerative colitis, five patients of persistent giardiasis and five normal healthy subjects. Identifiction of such antigens, especially plasma membrane-associated antigens may pave a way to develop specific diagnostic and immunoprotective agents.
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Shandil, R.K., Vinayak, V.K. Immunoreactivity of Entamoeba histolytica antigens with sera from amoebic patients. Med Microbiol Immunol 179, 263–269 (1990). https://doi.org/10.1007/BF00192464
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DOI: https://doi.org/10.1007/BF00192464