The specificity of naturally occurring heterophile antibodies in normal rabbit serum. 1976

R H Kennett, and T Fairbrother, and B Hampshire, and W F Bodmer

Rabbit sera used as a complement source contain cytotoxic antibodies which reacted with cultured human cells. This cytotoxic activity can be inhibited by human IgM. The capacity of IgM mu and L chains, and IgM glycopeptides to inhibit these heterospecific antibodies was determined. The inhibitory activity of several monosaccharides, bacterial polysaccharides and blood group substances was also determined. At least some of the heterospecific antibodies in normal rabbit sera are directed against carbohydrate determinants. Mannose, fucose, and bacterial polysaccharides containing mannose as the immunodominant sugar are particularly effective in inhibiting cytotoxic antibodies.

UI MeSH Term Description Entries
D007075 Immunoglobulin M A class of immunoglobulin bearing mu chains (IMMUNOGLOBULIN MU-CHAINS). IgM can fix COMPLEMENT. The name comes from its high molecular weight and originally was called a macroglobulin. Gamma Globulin, 19S,IgM,IgM Antibody,IgM1,IgM2,19S Gamma Globulin,Antibody, IgM
D007146 Immunoglobulin lambda-Chains One of the types of light chain subunits of the immunoglobulins with a molecular weight of approximately 22 kDa. Ig lambda Chains,Immunoglobulins, lambda-Chain,Immunoglobulin lambda-Chain,lambda-1-Immunoglobulin,lambda-2-Immunoglobulin,lambda-Chain Immunoglobulins,lambda-Immunoglobulin Light Chain,lambda-Immunoglobulin Light Chains,lambda-x Immunoglobulin,Chains, Ig lambda,Chains, lambda-Immunoglobulin Light,Immunoglobulin lambda Chain,Immunoglobulin lambda Chains,Immunoglobulin, lambda-x,Immunoglobulins, lambda Chain,Light Chain, lambda-Immunoglobulin,Light Chains, lambda-Immunoglobulin,lambda 1 Immunoglobulin,lambda 2 Immunoglobulin,lambda Chain Immunoglobulins,lambda Chains, Ig,lambda Immunoglobulin Light Chain,lambda Immunoglobulin Light Chains,lambda x Immunoglobulin,lambda-Chain, Immunoglobulin,lambda-Chains, Immunoglobulin
D007148 Immunoglobulin mu-Chains The class of heavy chains found in IMMUNOGLOBULIN M. They have a molecular weight of approximately 72 kDa and they contain about 57 amino acid residues arranged in five domains and have more oligosaccharide branches and a higher carbohydrate content than the heavy chains of IMMUNOGLOBULIN G. Ig mu Chains,Immunoglobulins, mu-Chain,Immunoglobulin mu-Chain,mu Immunoglobulin Heavy Chain,mu Immunoglobulin Heavy Chains,mu-Chain Immunoglobulins,Chains, Ig mu,Immunoglobulin mu Chain,Immunoglobulin mu Chains,Immunoglobulins, mu Chain,mu Chain Immunoglobulins,mu Chains, Ig,mu-Chain, Immunoglobulin,mu-Chains, Immunoglobulin
D007983 Lewis Blood Group Antigens Carbohydrate antigens structurally related to the ABH BLOOD-GROUP SYSTEM. They may occur as a modification of saccharide chains on glycolipids or glycoproteins on cell surfaces or in plasma, or as free oligosaccharides in secretions. Lewis antigens are not synthesized in blood cells. Instead Lewis glycolipids present in plasma are absorbed onto the surface of ERYTHROCYTES; LYMPHOCYTES; and PLATELETS. The phenotypes Le(a) and Le(b) are the result of the actions of two genes the Le gene (fucosyltransferase FUT3) and the Se gene (fucosyltransferase FUT2) on the precursor carbohydrate, glycolipid or glycoprotein. Other FUCOSYLTRANSFERASES can also synthesize the Lewis antigens. Blood Group Lewis Related Antigens,Lewis Antigen Related Tumor-Associated Antigens,Lewis Antigens,Lewis Blood Group Related Antigens,Lewis Blood Group Related Tumor-Associated Antigens,Lewis Blood-Group System,Lewis Related Antigens,Lewis System,Sialyl Lewis Antigens,Le Antigens,Le(a) Blood Group System,Antigens, Lewis,Antigens, Lewis Related,Antigens, Sialyl Lewis,Blood-Group System, Lewis,Lewis Antigen Related Tumor Associated Antigens,Lewis Blood Group Related Tumor Associated Antigens,Lewis Blood Group System
D008358 Mannose A hexose or fermentable monosaccharide and isomer of glucose from manna, the ash Fraxinus ornus and related plants. (From Grant & Hackh's Chemical Dictionary, 5th ed & Random House Unabridged Dictionary, 2d ed) D-Mannose,Mannopyranose,Mannopyranoside,D Mannose
D009005 Monosaccharides Single chain carbohydrates that are the most basic units of CARBOHYDRATES. They are typically colorless crystalline substances with a sweet taste and have the same general formula CnH2nOn. Monosaccharide,Simple Sugar,Simple Sugars,Sugar, Simple,Sugars, Simple
D009439 Neuraminidase An enzyme that catalyzes the hydrolysis of alpha-2,3, alpha-2,6-, and alpha-2,8-glycosidic linkages (at a decreasing rate, respectively) of terminal sialic residues in oligosaccharides, glycoproteins, glycolipids, colominic acid, and synthetic substrate. (From Enzyme Nomenclature, 1992) Sialidase,Exo-alpha-Sialidase,N-Acylneuraminate Glycohydrolases,Oligosaccharide Sialidase,Exo alpha Sialidase,Glycohydrolases, N-Acylneuraminate,N Acylneuraminate Glycohydrolases,Sialidase, Oligosaccharide
D011135 Polysaccharides, Bacterial Polysaccharides found in bacteria and in capsules thereof. Bacterial Polysaccharides
D011817 Rabbits A burrowing plant-eating mammal with hind limbs that are longer than its fore limbs. It belongs to the family Leporidae of the order Lagomorpha, and in contrast to hares, possesses 22 instead of 24 pairs of chromosomes. Belgian Hare,New Zealand Rabbit,New Zealand Rabbits,New Zealand White Rabbit,Rabbit,Rabbit, Domestic,Chinchilla Rabbits,NZW Rabbits,New Zealand White Rabbits,Oryctolagus cuniculus,Chinchilla Rabbit,Domestic Rabbit,Domestic Rabbits,Hare, Belgian,NZW Rabbit,Rabbit, Chinchilla,Rabbit, NZW,Rabbit, New Zealand,Rabbits, Chinchilla,Rabbits, Domestic,Rabbits, NZW,Rabbits, New Zealand,Zealand Rabbit, New,Zealand Rabbits, New,cuniculus, Oryctolagus
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell

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