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Radioimmunoassay and opsonic antibody responses to pneumococcal capsular polysaccharide vaccine in serum and ascitic fluid of cirrhotic patients. 1983

M S Simberkoff, and G S Schiffman, and J R Spicehandler, and N H Moldover, and J J Rahal

Pneumococcal capsular polysaccharide vaccine was administered to 19 cirrhotic patients and to 25 control subjects. Radioimmunoassay antibody concentration and opsonic titers (OT) were measured in sera and ascites collected before and 3 to 4 weeks after inoculation. The geometric mean antibody concentrations in prevaccination sera from the cirrhotic patients were significantly increased to types 3, 4, 7F, 8, 9N, and 12F antigens, and in postinoculation sera their geometric mean antibody concentration was increased to types 3, 9N, and 12F antigens. OT to Streptococcus pneumoniae type 3 correlated with the radioimmunoassay antibody concentration in postinoculation sera. Of 14 cirrhotic subjects, 3 had OT of greater than or equal to 4 in prevaccination sera, and the highest OT and radioimmunoassay antibody concentration were observed in postinoculation specimens from this group. Antibody and OT against S. pneumoniae type 3 were also observed in ascitic specimens. These data suggest that cirrhotic subjects respond to pneumococcal capsular polysaccharide with antibodies in both serum and ascitic fluid. However, the protective efficacy of this antibody response must be assessed by larger prospective studies.

UI MeSH Term Description Entries
D008103 Liver Cirrhosis Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules. Cirrhosis, Liver,Fibrosis, Liver,Hepatic Cirrhosis,Liver Fibrosis,Cirrhosis, Hepatic
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009895 Opsonin Proteins Proteins that bind to particles and cells to increase susceptibility to PHAGOCYTOSIS, especially ANTIBODIES bound to EPITOPES that attach to FC RECEPTORS. COMPLEMENT C3B may also participate. Opsonin,Opsonin Protein,Opsonins,Protein, Opsonin
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000907 Antibodies, Bacterial Immunoglobulins produced in a response to BACTERIAL ANTIGENS. Bacterial Antibodies
D001202 Ascitic Fluid The serous fluid of ASCITES, the accumulation of fluids in the PERITONEAL CAVITY. Peritoneal Effusion,Peritoneal Fluid,Ascitic Fluids,Effusion, Peritoneal,Fluid, Ascitic,Fluid, Peritoneal,Peritoneal Effusions,Peritoneal Fluids
D001428 Bacterial Vaccines Suspensions of attenuated or killed bacteria administered for the prevention or treatment of infectious bacterial disease. Bacterial Vaccine,Bacterin,Vaccine, Bacterial,Vaccines, Bacterial
D013296 Streptococcus pneumoniae A gram-positive organism found in the upper respiratory tract, inflammatory exudates, and various body fluids of normal and/or diseased humans and, rarely, domestic animals. Diplococcus pneumoniae,Pneumococcus
D022242 Pneumococcal Vaccines Vaccines or candidate vaccines used to prevent infections with STREPTOCOCCUS PNEUMONIAE. Pneumococcal Polysaccharide Vaccine,Pneumococcal Vaccine,Pneumovax,Pnu-Imune Vaccine,Pnu Imune Vaccine,PnuImune Vaccine,Polysaccharide Vaccine, Pneumococcal,Vaccine, Pneumococcal,Vaccine, Pneumococcal Polysaccharide,Vaccines, Pneumococcal

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