Posttranslational Protein Modification in the Salivary Glands of Sjögren’s Syndrome Patients

Figure 2

Immunohistochemistry of minor salivary glands. The superior panel corresponds to normal controls, and the inferior panel belongs to one representative biopsy of a Sjögren patient. (A) and (E). Incubated with PBS. (B) and (F). Treated with anti-CCP. (C) and (G). Anti-PAD2. (D) and (H). Anticitrulline. Observe the immunoreagents positivity at ducts and acini in (F), (G), and (H).