Figure 3.

Immunohistochemical staining of HtrA1 protein in keloid (a) and normal skin tissue (b). Sections from active keloid lesions (a) or normal skin (b). (a) displays the results from patient No. keloid-3 in Table 1, and (b) displays the results from patient No. normal skin-1 in Table 1. Positive signals are visualised in brown. Scale bar = 50 µm.