Abstract
Seven artificial mycobacterial antigens have been synthesized via the conjugation of synthetic carbohydrate epitopes of M. leprae phenolic glycolipid (PGL-1) and M. tuberculosis lipoarabinomannan (LAM) with bovine serum albumin (BSA). Each antigen has a different number of carbohydrate epitopes with a different structure and input sequence of the sugar residues. According to the serum reactivity, only three synthesized antigens can be useful for serodiagnosis of mycobacteriosis: (1) the antigen based on a disaccharide derivative of PGL-1: (DMG–Rha-AEP)-[BSA]; (2) the antigen based on a disaccharide fragment of PGL-1 and a hexasaccharide fragment of LAM: (DMG–Rha-AEP)-[BSA]–(Ara6-EG6); (3) the antigen based on the LAM diarabinofuranosyl fragment (Ara2-AEP)–[BSA].
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