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Infants with low immunoglobulin levels: Isolated low IgA level vs other immunoglobulin abnormalities.
MedLine Citation:
PMID:  20934629     Owner:  NLM     Status:  In-Process    
BACKGROUND: The International Union of Immunological Societies defined transient hypogammaglobulinemia of infancy as decreased IgG and IgA levels. Some others, however, include decreased IgA level alone. We compared infants with decreased levels of IgG and IgA, all isotypes, and IgA alone.
OBJECTIVE: To determine whether infants presenting with diminished IgA only differ clinically and in time of immunoglobulin recovery, from those with decreased levels of IgG and IgA, or of all major isotypes.
METHODS: Eighty-seven term infants found to have immunoglobulin isotype(s) 2 or more SDs below mean, normal antibody response, intact cellular immunity, and absence of other immunodeficiency syndrome features were evaluated between January 1, 1977 and December 31, 2008. Infants had decreased IgA level (group 1, n = 43), decreased IgA and IgG levels (group 2, n = 39), or low IgA, IgG, and IgM levels (group 3, n = 5).
RESULTS: Groups had similar histories. Immunoglobulins normalized in a similar percentage of all groups during infancy but earlier for group 1 (P = .005).
CONCLUSION: Little reason exists to separate infants with isolated decreased IgA levels from those with decreased levels of IgA and IgG or all isotypes.
Alexandra Horwitz; Shiang-Ju Kung; Stephen J McGeady
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology     Volume:  105     ISSN:  1081-1206     ISO Abbreviation:  Ann. Allergy Asthma Immunol.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503580     Medline TA:  Ann Allergy Asthma Immunol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  295-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 American College of Allergy, Asthma & Immunology. Published by Elsevier Inc. All rights reserved.
Division of Allergy & Immunology, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
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