Article: article d'un périodique ou d'un magazine.
Secretory IgA in human serum.
Journal of Immunology
Date de publication
Secretory component (SC) was detected by the radioactive single radial diffusion technique in nearly all sera examined. The SC was shown to be associated with polymeric serum IgA. The mean level of secretory IgA (SIgA) in normal sera from India, Africa and Europe was about 0.03 to 0.04 mg/ml. The mean level was elevated in patients with a variety of disorders involving secretory surfaces (e.g., acute bacterial enterocolitis or respiratory tract carcinoma), but also in disorders with no known involvement of secretory surfaces. The highest levels were seen in lactating women, with a mean level five times higher than that in the general population. SIgA was also found at lower levels in cord serum, serum from breast-fed newborns and serum from children 3 to 10 years old.
Africa, Antibodies/analysis, Antibody Specificity, Blood, Child, Child, Preschool, Cholera/immunology, Colostrum/immunology, Dermatitis/immunology, Dysentery/immunology, Enterocolitis, Pseudomembranous/immunology, Europe, Female, Fever/immunology, Humans, Immune Sera, Immunodiffusion, Immunoelectrophoresis, Immunoglobulin G/analysis, India, Infant, Infant, Newborn, Kidney Failure, Chronic/immunology, Lactation, Male, Multiple Myeloma/immunology, Osteomyelitis/immunology, Pregnancy, Respiratory Tract Neoplasms, Umbilical Cord
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