Expression of IL-17, IL-23 and Their Receptors in Minor Salivary Glands of Patients with Primary Sjögren's Syndrome

Figure 2

Expression of IL-23 and IL-23R in minor salivary glands of patients with pSS, probable preclinical pSS and nonautoimmune sicca syndrome. IL-23: (a) pSS, (b) probable preclinical pSS, (c) nonautoimmune sicca syndrome. IL-23R: (d) pSS, (e) probable preclinical pSS, (f) nonautoimmune sicca syndrome, (g) negative staining control. Counterstained with hematoxylin. Original magnification ×400. Abbreviations: A: acinus, Bv: blood vessel, D: ductus, and Ly: lymphocyte infiltration.

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