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Salivary IgA in Sjögren patients
International Journal of Oral Surgery
|April 1, 1983
Summary
Sjögren
Area of Science:
- Immunology
- Oral Medicine
- Biochemistry
Background:
- Sjögren's syndrome is an autoimmune disorder affecting exocrine glands.
- Keratoconjunctivitis sicca (KCS) is a common manifestation of Sjögren's syndrome.
- Salivary gland dysfunction is a hallmark of Sjögren's syndrome.
Purpose of the Study:
- To investigate salivary immunoglobulin A (IgA) levels in patients with KCS for Sjögren's syndrome diagnosis.
- To determine the specific form of IgA elevated in the saliva of Sjögren's syndrome patients.
Main Methods:
- Salivary flow rate, sodium (Na), potassium (K), and IgA concentrations were measured in 12 KCS patients.
- Immunoglobulin A was analyzed using anti-IgA and anti-secretory IgA specific plates.
Main Results:
- Elevated salivary IgA concentrations were observed in 8 out of 12 KCS patients.
- Analysis confirmed that the elevated IgA in Sjögren's syndrome patients is predominantly secretory IgA.
Conclusions:
- Salivary secretory IgA levels can serve as a diagnostic marker for Sjögren's syndrome in KCS patients.
- The findings highlight the role of secretory IgA in the salivary pathology of Sjögren's syndrome.