Significance of Secretory IgA
Secretory IgA is the primary immunoglobulin found in saliva and serves as a crucial first line of defense against pathogens that attempt to invade mucosal surfaces. Its presence is vital for maintaining mucosal immunity, protecting the body from infections, and supporting overall health by neutralizing harmful microorganisms. The role of Secretory IgA highlights the importance of saliva in immune responses and the body's ability to fend off diseases at entry points such as the mouth and gastrointestinal tract.
Synonyms: Secretory immunoglobulin a
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The concept of Secretory IgA in scientific sources
Secretory IgA is the primary immunoglobulin in saliva, serving a crucial role as the first line of defense against pathogens that attempt to invade mucosal surfaces, thereby protecting mucosal immunity.
From: The Malaysian Journal of Medical Sciences
(1) Secretory IgA is a type of antibody, demonstrated to have protective capacity against M. tuberculosis antigens, offering potential for therapeutic interventions.[1]