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Sjögren syndrome.

Pilar Brito-Zerón1,2,3, Chiara Baldini4, Hendrika Bootsma5

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Summary
This summary is machine-generated.

Sjögren syndrome (SjS) is an autoimmune disease causing dry eyes and mouth. It involves immune responses to autoantigens, leading to gland damage and increased lymphoma risk.

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Area of Science:

  • Immunology
  • Rheumatology
  • Autoimmune Diseases

Background:

  • Sjögren syndrome (SjS) is a systemic autoimmune disorder targeting exocrine glands, primarily salivary and lacrimal glands.
  • It causes severe dryness of mucosal surfaces, predominantly in the mouth and eyes, affecting middle-aged women most often but also children, men, and the elderly.
  • Clinical manifestations are heterogeneous, ranging from sicca symptoms to systemic disease and lymphoma, driven by abnormal B and T cell responses.

Purpose of the Study:

  • To provide a comprehensive overview of Sjögren syndrome, including its pathophysiology, clinical presentation, diagnosis, and management.
  • To highlight the key immunological mechanisms, diagnostic criteria, and therapeutic strategies for SjS.
  • To emphasize the significant systemic involvement and increased lymphoma risk associated with SjS.

Main Methods:

  • Review of existing literature on Sjögren syndrome.
  • Analysis of diagnostic criteria, including autoantibody detection (anti-Ro/SSA, anti-La/SSB) and salivary gland histology.
  • Summary of current therapeutic approaches, encompassing topical and systemic treatments.

Main Results:

  • SjS is characterized by lymphocytic infiltration of exocrine glands and the presence of specific autoantibodies.
  • The disease mechanism involves the destruction of exocrine gland epithelium due to aberrant immune responses.
  • Patients with SjS face an increased risk of developing lymphomas.

Conclusions:

  • Sjögren syndrome is a complex autoimmune disease with significant morbidity and mortality, primarily due to systemic complications and lymphoma development.
  • Despite advancements, managing sicca symptoms and systemic manifestations remains a challenge.
  • Further research is needed to fully elucidate the pathogenesis and improve therapeutic outcomes for SjS patients.