Characterization of Peripheral Blood Immune Cell Features in SSA/SSB Double‑Positive Primary Sjögren’s Disease Based on Single‑Cell RNA Sequencing
Objective Primary Sjögren’s disease (pSjD) is a chronic systemic autoimmune disease characterized by lymphocyte infiltration of the exocrine glands. Anti-SSA (Ro) and anti-SSB (La) antibodies are diagnostic serological markers of pSjD. However, whether the coexistence of anti-SSA and anti-SSB antibodies defines an immu...