Secretory immunoglobulin A

{
  "id": "MLC-T-CHM-010644",
  "term": "Secretory immunoglobulin A",
  "field": "Chemistry",
  "definition": "A dimeric form of immunoglobulin A (IgA) that is found in external secretions such as tears, saliva, mucus, and breast milk. It consists of two IgA monomers, a J chain, and a secretory component, which protects it from degradation. This antibody provides localized immunity on mucosal surfaces, neutralizing pathogens and toxins before they can enter the body.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "immunoglobulin A"
  ],
  "references": [
    "PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1243 (https://doi.org/10.1351/PAC-REC-11-06-03)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/secretory-immunoglobulin-a/"
}