Autologous mixed lymphocyte reaction and T-cell suppressor activity in patients with Henoch-Schönlein purpura and IgA nephropathy. 1990

B Casanueva, and V Rodriguez-Valverde, and M C Fariñas, and A Vallo, and J Rodriguez-Soriano
Department of Medicine, Hospital Nacional Marqués de Valdecilla, Universidad de Santander, Spain.

To assess the existence of persistent abnormalities in the cellular mechanisms regulating the immunoglobulin (Ig) synthesis in Henoch-Schönlein purpura (HSP) and IgA nephropathy, we studied through a hemolytic plaque assay (PFC) the response to the autologous mixed lymphocyte reaction (AMLR) and the T-cell suppressor activity in 24 patients with IgA nephropathy, in 20 individuals with inactive HSP (IHSP) and in 18 normal controls. In the group with IgA nephropathy there was a significant increase in the number of IgA-secreting cells after AMLR (p less than 0.01), and 9 of the 15 patients tested had an impaired generation of T-cell suppressor activity. No such abnormalities were found in individuals with IHSP. These findings support the existence of persistent defect in the mechanisms regulating the Ig synthesis, limited only to the patients with IgA nephropathy.

UI MeSH Term Description Entries
D007070 Immunoglobulin A Represents 15-20% of the human serum immunoglobulins, mostly as the 4-chain polymer in humans or dimer in other mammals. Secretory IgA (IMMUNOGLOBULIN A, SECRETORY) is the main immunoglobulin in secretions. IgA,IgA Antibody,IgA1,IgA2,Antibody, IgA
D007959 Lymphocyte Culture Test, Mixed Measure of histocompatibility at the HL-A locus. Peripheral blood lymphocytes from two individuals are mixed together in tissue culture for several days. Lymphocytes from incompatible individuals will stimulate each other to proliferate significantly (measured by tritiated thymidine uptake) whereas those from compatible individuals will not. In the one-way MLC test, the lymphocytes from one of the individuals are inactivated (usually by treatment with MITOMYCIN or radiation) thereby allowing only the untreated remaining population of cells to proliferate in response to foreign histocompatibility antigens. Leukocyte Culture Test, Mixed,Mixed Lymphocyte Culture Test,Mixed Lymphocyte Reaction,Mixed Leukocyte Culture Test,Mixed Leukocyte Reaction,Leukocyte Reaction, Mixed,Leukocyte Reactions, Mixed,Lymphocyte Reaction, Mixed,Lymphocyte Reactions, Mixed,Mixed Leukocyte Reactions,Mixed Lymphocyte Reactions
D008297 Male Males
D011695 IgA Vasculitis A systemic non-thrombocytopenic purpura caused by HYPERSENSITIVITY VASCULITIS and deposition of IGA-containing IMMUNE COMPLEXES within the blood vessels throughout the body, including those in the kidney (KIDNEY GLOMERULUS). Clinical symptoms include URTICARIA; ERYTHEMA; ARTHRITIS; GASTROINTESTINAL HEMORRHAGE; and renal involvement. Most cases are seen in children after acute upper respiratory infections. Allergic Purpura,Anaphylactoid Purpura,Henoch Purpura,Henoch-Schoenlein Purpura,Purpura Hemorrhagica,Purpura, Nonthrombocytopenic,Purpura, Schoenlein-Henoch,Rheumatoid Purpura,Schoenlein-Henoch Purpura,Vasculitis, Hemorrhagic,Henoch Schonlein Purpura,Henoch-Schonlein Purpura,Purpura, Nonthrombopenic,Purpura, Schonlein-Henoch,Hemorrhagic Vasculitis,Hemorrhagica, Purpura,Henoch Schoenlein Purpura,Henoch Schonlein Purpuras,Henoch-Schonlein Purpuras,Nonthrombocytopenic Purpura,Nonthrombopenic Purpura,Nonthrombopenic Purpuras,Purpura, Allergic,Purpura, Anaphylactoid,Purpura, Henoch,Purpura, Henoch Schonlein,Purpura, Henoch-Schoenlein,Purpura, Henoch-Schonlein,Purpura, Rheumatoid,Purpura, Schoenlein Henoch,Purpura, Schonlein Henoch,Purpuras, Henoch Schonlein,Purpuras, Henoch-Schonlein,Purpuras, Nonthrombopenic,Purpuras, Schonlein-Henoch,Schoenlein Henoch Purpura,Schonlein Purpura, Henoch,Schonlein Purpuras, Henoch,Schonlein-Henoch Purpura,Schonlein-Henoch Purpuras,Vasculitis, IgA
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D005260 Female Females
D005922 Glomerulonephritis, IGA A chronic form of glomerulonephritis characterized by deposits of predominantly IMMUNOGLOBULIN A in the mesangial area (GLOMERULAR MESANGIUM). Deposits of COMPLEMENT C3 and IMMUNOGLOBULIN G are also often found. Clinical features may progress from asymptomatic HEMATURIA to END-STAGE KIDNEY DISEASE. Berger Disease,Immunoglobulin A Nephropathy,Nephropathy, IGA,Berger's Disease,IGA Glomerulonephritis,IGA Nephropathy,Iga Nephropathy 1,Nephritis, IGA Type,Bergers Disease,Glomerulonephritides, IGA,IGA Type Nephritis,Nephropathy 1, Iga,Nephropathy, Immunoglobulin A
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000921 Antibody-Producing Cells Cells of the lymphoid series that can react with antigen to produce specific cell products called antibodies. Various cell subpopulations, often B-lymphocytes, can be defined, based on the different classes of immunoglobulins that they synthesize. Antibody-Producing Cell,Antibody-Secreting Cell,Antibody-Secreting Cells,Immunoglobulin-Producing Cells,Immunoglobulin-Secreting Cells,Antibody Producing Cell,Antibody Producing Cells,Antibody Secreting Cell,Antibody Secreting Cells,Cell, Antibody-Producing,Cell, Antibody-Secreting,Cell, Immunoglobulin-Producing,Cell, Immunoglobulin-Secreting,Cells, Antibody-Producing,Cells, Antibody-Secreting,Cells, Immunoglobulin-Producing,Cells, Immunoglobulin-Secreting,Immunoglobulin Producing Cells,Immunoglobulin Secreting Cells,Immunoglobulin-Producing Cell,Immunoglobulin-Secreting Cell

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