Doctor's Data Secretory lgA, stool Test

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Secretory IgA (sIgA) is secreted by mucosal tissue and represents the first line of defense of the GI mucosa and is central to the normal function of the GI tract as an immune barrier. Elevated levels of sIgA have been associated with an upregulated immune response.

Immunological activity in the gastrointestinal tract can be assessed using secretory immunoglobulin A (sIgA).
Secretory IgA is the predominant antibody, or immune protein the body manufactures and releases in external secretions such as saliva, tears, and milk.

It is also transported through the epithelial cells that line the intestines out into the lumen.

Secretory IgA represents the first line of defense of the GI mucosa and is central to the normal function of the GI tract as an immune barrier. As the principal immunoglobulin isotype present in mucosal secretions, sIgA plays an important role in controlling intestinal milieu which is constantly presented with potentially harmful antigens such as pathogenic bacteria, parasites, yeast, viruses, abnormal cell antigens, and allergenic proteins.

Secretory IgA antibodies exert their function by binding to antigenic epitopes on the invading microorganism, limiting their mobility and adhesion to the epithelium of the mucus membrane.

This prevents the antigens from reaching systemic circulation and allowing them to be excreted directly in the feces.

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Description

Immunological activity in the gastrointestinal tract can be assessed using secretory immunoglobulin A (sIgA).
Secretory IgA is the predominant antibody, or immune protein the body manufactures and releases in external secretions such as saliva, tears, and milk.

It is also transported through the epithelial cells that line the intestines out into the lumen.

Secretory IgA represents the first line of defense of the GI mucosa and is central to the normal function of the GI tract as an immune barrier. As the principal immunoglobulin isotype present in mucosal secretions, sIgA plays an important role in controlling intestinal milieu which is constantly presented with potentially harmful antigens such as pathogenic bacteria, parasites, yeast, viruses, abnormal cell antigens, and allergenic proteins.

Secretory IgA antibodies exert their function by binding to antigenic epitopes on the invading microorganism, limiting their mobility and adhesion to the epithelium of the mucus membrane.

This prevents the antigens from reaching systemic circulation and allowing them to be excreted directly in the feces.

Sample Report

Kit Instructions

Short Description

Secretory IgA (sIgA) is secreted by mucosal tissue and represents the first line of defense of the GI mucosa and is central to the normal function of the GI tract as an immune barrier. Elevated levels of sIgA have been associated with an upregulated immune response.

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