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Agalactosyl IgG, antibodies to heat shock proteins, and acute rheumatic fever. 1990

G M Bahr, and A M Yousof, and H A Majeed, and K Behbehani, and M Lubani, and R B Parekh, and R A Dwek, and T W Rademacher, and D B Young, and A Mehlert
Department of Microbiology, Faculty of Medicine, Kuwait University.

In rheumatoid arthritis an increased proportion of the N-linked oligosaccharides on serum IgG terminate with N-acetylglucosamine (agalactosyl IgG). It has recently been shown that group A streptococcal cell wall peptidoglycan/polysaccharide complex may be used to raise monoclonal antibodies which bind to this glycoform of IgG. Patients with rheumatoid arthritis also have increased levels of antibody to the 65 kD and 70 kD families of heat shock proteins, particularly to a bacterial (Mycobacterium bovis) homologue of heat shock protein hsp65. Streptococci must contain similar heat shock proteins. Acute rheumatic fever follows infection with group A streptococci, and these organisms might theoretically evoke antibody to heat shock proteins or changes in the levels of agalactosyl IgG, which is antigenically cross reactive with their cell walls. It is shown here that serum samples from patients with acute rheumatic fever do not differ from those from normal children by these criteria.

UI MeSH Term Description Entries
D007074 Immunoglobulin G The major immunoglobulin isotype class in normal human serum. There are several isotype subclasses of IgG, for example, IgG1, IgG2A, and IgG2B. Gamma Globulin, 7S,IgG,IgG Antibody,Allerglobuline,IgG(T),IgG1,IgG2,IgG2A,IgG2B,IgG3,IgG4,Immunoglobulin GT,Polyglobin,7S Gamma Globulin,Antibody, IgG,GT, Immunoglobulin
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
D005944 Glucosamine 2-Amino-2-Deoxyglucose,Dona,Dona S,Glucosamine Sulfate,Hespercorbin,Xicil,2 Amino 2 Deoxyglucose,Sulfate, Glucosamine
D006360 Heat-Shock Proteins Proteins which are synthesized in eukaryotic organisms and bacteria in response to hyperthermia and other environmental stresses. They increase thermal tolerance and perform functions essential to cell survival under these conditions. Stress Protein,Stress Proteins,Heat-Shock Protein,Heat Shock Protein,Heat Shock Proteins,Protein, Stress
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000117 Acetylglucosamine The N-acetyl derivative of glucosamine. Acetyl Glucosamine,N-Acetyl Glucosamine,N-Acetyl-beta-D-Glucosamine,N-Acetylglucosamine,beta-N-Acetylglucosamine,2-Acetamido-2-Deoxy-D-Glucose,2-Acetamido-2-Deoxyglucose,N-Acetyl-D-Glucosamine,2 Acetamido 2 Deoxy D Glucose,2 Acetamido 2 Deoxyglucose,Glucosamine, Acetyl,Glucosamine, N-Acetyl,N Acetyl D Glucosamine,N Acetyl Glucosamine,N Acetyl beta D Glucosamine,N Acetylglucosamine,beta N Acetylglucosamine
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute

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