| Literature DB >> 14067909 |
Abstract
"Natural" antibodies to representative species of Enterobacteriaceae were found to be principally associated with the gamma(1)-macroglobulin prepared from Cohn fraction III-I of pooled human plasma. The amount of antibodies present was estimated by measuring the bactericidal, hemagglutinating, mouse-protective, and opsonophagocytic activities of this fraction. Comparison with the antibody activity of gamma(2)-globulin of Cohn fraction II showed that up to 100 times more antibody activity on a weight basis was present in the macroglobulin fraction. These findings suggest that differences between natural and immune antibody result from the physicochemical properties of 2 different classes of immune globulin.Entities:
Keywords: ANTIGEN-ANTIBODY REACTIONS; ESCHERICHIA COLI; EXPERIMENTAL LAB STUDY; GAMMA GLOBULIN; HEMAGGLUTINATION; KLEBSIELLA; MICE; PHAGOCYTOSIS; PSEUDOMONAS AERUGINOSA; SALMONELLA TYPHOSA; SERUM GLOBULINS; SHIGELLA
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Year: 1963 PMID: 14067909 PMCID: PMC2137662 DOI: 10.1084/jem.118.4.619
Source DB: PubMed Journal: J Exp Med ISSN: 0022-1007 Impact factor: 14.307