Most Mycobacterium leprae carbohydrate-reactive monoclonal antibodies are directed to lipoarabinomannan. 1987

H Gaylord, and P J Brennan, and D B Young, and T M Buchanan
Department of Microbiology, Colorado State University, Fort Collins 80523.

Each of more than 30 monoclonal antibodies that had been raised against Mycobacterium leprae and previously classified as reactive with carbohydrate was shown to be directed against lipoarabinomannan, a prominent, highly pervasive, myo-inositol-phosphate-containing, cross-reactive antigen within the leprosy bacillus. Some of the antibodies preferentially bound to the lipopolysaccharide of M. leprae rather than to that of Mycobacterium tuberculosis, suggesting the presence of distinguishing structural features. The presence of alkali-labile inositol 1-phosphate in the lipopolysaccharide from M. tuberculosis and its apparent absence from the M. leprae product may account for the difference.

UI MeSH Term Description Entries
D007163 Immunosorbent Techniques Techniques for removal by adsorption and subsequent elution of a specific antibody or antigen using an immunosorbent containing the homologous antigen or antibody. Immunoadsorbent Techniques,Immunoadsorbent Technics,Immunosorbent Technics,Immunoadsorbent Technic,Immunoadsorbent Technique,Immunosorbent Technic,Immunosorbent Technique,Technic, Immunoadsorbent,Technic, Immunosorbent,Technics, Immunoadsorbent,Technics, Immunosorbent,Technique, Immunoadsorbent,Technique, Immunosorbent,Techniques, Immunoadsorbent,Techniques, Immunosorbent
D008070 Lipopolysaccharides Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed) Lipopolysaccharide,Lipoglycans
D008351 Mannans Polysaccharides consisting of mannose units. Mannan
D009166 Mycobacterium leprae A species of gram-positive, aerobic bacteria that causes LEPROSY in man. Its organisms are generally arranged in clumps, rounded masses, or in groups of bacilli side by side.
D011135 Polysaccharides, Bacterial Polysaccharides found in bacteria and in capsules thereof. Bacterial Polysaccharides
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
D000942 Antigens, Bacterial Substances elaborated by bacteria that have antigenic activity. Bacterial Antigen,Bacterial Antigens,Antigen, Bacterial

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