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Immunoglobulin A, Secretory

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Definition: The principle immunoglobulin in exocrine secretions such as milk, respiratory and intestinal mucin, saliva and tears. The complete molecule (around 400 kD) is composed of two four-chain units of IMMUNOGLOBULIN A, one SECRETORY COMPONENT and one J chain (IMMUNOGLOBULIN J-CHAINS).  salivary immunoglobulin A: index IGA, SECRETORY + SALIVA/ immunol; immunoglobulin A in tears: index IGA, SECRETORY + TEARS/ immunol; /defic   
Pharmacological Action Immunologic Factors
Examples Secretory Component
Other names Secretory IgA; SIgA; IgA, Secretory; IgA, Exocrine; Colostral IgA; IgA, Colostral; Exocrine IgA; Secretory Immunoglobulin A
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
SIgA 1  0   *Immunoglobulin A, Secretory Biological Markers. Ir J Med Sci 1999 Jan-Mar;168(1):33-5
IgA, secretory receptor  0   *Receptors, Fc Immunoglobulin A, Secretory. Immunology 1991;72(2):188
immunoglobulin A-sepharose 4B  0   *Immunoglobulin A Sepharose/*analogs & derivatives Immunoglobulin A, Secretory. J Immunol Methods 1984;75(2):247

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012

Warning: the drugs or drug combinations referred to here may be similar or related, but are not be the same ones and may not have the same pharmacological action as other substances described on the same page or in the same row. Please refer to product monograph or to your doctor
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