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Fig. 2 | Arthritis Research & Therapy

Fig. 2

From: Differential synovial tissue biomarkers among psoriatic arthritis and rheumatoid factor/anti-citrulline antibody-negative rheumatoid arthritis

Fig. 2

af IHC staining for CD3/CD20 on ST of patients with naïve or MTX-IR PsA and Abneg RA patients. Example photos of CD3 (RED)/CD20 (DAB) staining of ST biopsies from patients with naïve (a) or MTX-IR (b) PsA patients and with naïve (c) or MTX-IR (d) Abneg RA patients (magnification × 20 and magnification × 40 in the corresponding inset). Thin black arrows indicate CD3+ cells (red), and black arrow heads indicate CD20+ cells (brown) in the corresponding inset. e IHC scores for CD20+ cells in PsA and Abneg RA patients divided by treatment regimen. f IHC scores for CD3+ cells in PsA and Abneg RA patients divided by treatment regimen. IHC immunohistochemistry, PsA psoriatic arthritis, RA rheumatoid arthritis, Ab autoantibody, MTX-IR methotrexate inadequately responder, CD cluster designation

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