Figure 1. Periostin is overexpressed in lesional skin derived from patients with systemic scleroderma (SSc).

A, Western blotting analysis for periostin using protein extracts from the skin of SSc patients and healthy donors. B, Representative immunohistochemistry of skin sections of SSc patients, healthy donors, hypertrophic scar and keloid patients. Slides were stained with anti-periostin antibodies (original magnification, ×100).