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Monomeric (7S) IgM in primary biliary cirrhosis. 1982

B G Taal, and S W Schalm, and A M de Bruyn, and H J Kornman-vd Bosch

Monomeric (7S) IgM was measured in 25 patients with primary biliary cirrhosis and 25 age- and sex-matched controls by simple double immunodiffusion in the polyacrylamide gel. 7S IgM was detected in a quarter of the patients and in none of the controls. The presence of 7S IgM was related to the elevation of total IgM as measured by radial immunodiffusion techniques. Patients with 7S IgM had significantly higher levels of cryoglobulins and immune complexes in their sera than 7S IgM-negative patients. In addition, serum alkaline phosphatase concentrations were more elevated in the 7S IgM-positive patients than in the 7S IgM-negative patients, reflecting more extensive bile duct damage. The presence of monomeric (7S) IgM and other differences in the IgM molecule may be significant for the pathogenesis of primary biliary cirrhosis.

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
D008105 Liver Cirrhosis, Biliary FIBROSIS of the hepatic parenchyma due to obstruction of BILE flow (CHOLESTASIS) in the intrahepatic or extrahepatic bile ducts (BILE DUCTS, INTRAHEPATIC; BILE DUCTS, EXTRAHEPATIC). Primary biliary cholangitis involves the destruction of small intra-hepatic bile ducts and decreased bile secretion. Secondary biliary cholangitis is produced by prolonged obstruction of large intrahepatic or extrahepatic bile ducts from a variety of causes. Biliary Cirrhosis,Biliary Cirrhosis, Primary,Biliary Cirrhosis, Secondary,Cholangitis, Chronic Nonsuppurative Destructive,Liver Cirrhosis, Obstructive,Primary Biliary Cholangitis,Biliary Cirrhosis, Primary, 1,Primary Biliary Cirrhosis,Secondary Biliary Cholangitis,Secondary Biliary Cirrhosis,Biliary Cholangitides, Primary,Biliary Cholangitis, Primary,Biliary Cholangitis, Secondary,Cholangitides, Primary Biliary,Cholangitis, Primary Biliary,Cholangitis, Secondary Biliary,Cirrhosis, Biliary,Cirrhosis, Secondary Biliary,Liver Cirrhoses, Biliary,Obstructive Liver Cirrhosis,Primary Biliary Cholangitides,Secondary Biliary Cholangitides
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D003450 Cryoglobulins Abnormal immunoglobulins, especially IGG or IGM, that precipitate spontaneously when SERUM is cooled below 37 degrees Celsius. It is characteristic of CRYOGLOBULINEMIA. Cryoglobulin,Cryoprotein,Cryoproteins
D005260 Female Females
D005779 Immunodiffusion Technique involving the diffusion of antigen or antibody through a semisolid medium, usually agar or agarose gel, with the result being a precipitin reaction. Gel Diffusion Tests,Diffusion Test, Gel,Diffusion Tests, Gel,Gel Diffusion Test,Immunodiffusions,Test, Gel Diffusion,Tests, Gel Diffusion
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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