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Cat No | BSPA-2053 |
Conjugate | |
Type | Polyclonal Antibody |
Source | Rabbit |
Size | 1 mg |
Application | ELISA; IHC |
Format | Liquid |
Concentration | Please refer to the vial lable for the specific concentration. |
Buffer | Supplied in PBS. |
Species | Human |
Storage | Store at -20 degree. Avoid repeted freeze/thaw cycl. |
Synonyms | IGHA2;immunoglobulin heavy constant alpha 2;Ig alpha 1 chain C region;Ig alpha 2 chain C region;IGHA1;IGHA2;Immunoglobulin heavy constant alpha 1;Immunoglobulin heavy constant alpha 2 A2m marker;Immunoglobulin heavy constant alpha 2 |
Purification | |
Note | This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. |
MolecularWeight | |
Description | |
Background | Immunoglobulin A is an antibody that plays a critical role in mucosal immunity. More IgA is produced in mucosal linings than all other types of antibody combined; between three and five grams are secreted into the intestinal lumen each day. This accumulates to 75% of the total immunoglobulin produced in the entire body. IgA has two subclasses and can exist in a dimeric form called secretory IgA . In its secretory form, IgA is the main immunoglobulin found in mucous secretions, including tears, saliva, colostrum and secretions from the genitourinary tract, gastrointestinal tract, prostate and respiratory epithelium. It is also found in small amounts in blood. The secretory component of sIgA protects the immunoglobulin from being degraded by proteolytic enzymes, thus sIgA can survive in the harsh gastrointestinal tract environment and provide protection against microbes that multiply in body secretions. IgA is a poor activator of the complement system, and opsonises only weakly. Its heavy chains are of the type α. |