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M f

Normal. Psoriatic. M f. M f + pHpa. IFN/M f. IFN/M f + pHpa. A. M f. M f + pHpa. IFN/M f. IFN/M f + pHpa. wt Hpa-tg. B. C. Heparanase activity, cpm. Fraction.

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M f

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  1. Normal Psoriatic Mf Mf + pHpa IFN/Mf IFN/Mf+ pHpa A Mf Mf + pHpa IFN/Mf IFN/Mf+ pHpa wt Hpa-tg B C Heparanase activity, cpm Fraction Supplementary figure 2.A. Expression pattern of CatL in human psoriatic lesions. Tissue specimens derived from normal skin tissue (left), or psoriatic patients (right) were stained with CatL anitbody (brown staining). Original magnification, ×200. B. Immunostaining with CatL anitbody (brown) of mouse skin tissue samples obtained from TPA-treated wt (left) and Hpa-tg (right) mice on experimental day 21. C. Proteolytic activation of heparanase by IFNg stimulated macrophages. Purified 65 kDa latent pro-heparanase (pHpa) was incubated with medium conditioned by either un-stimulated (Mf) or IFNg-stimulated (IFN/Mf) mouse peritoneal macrophages. Heparanase enzymatic activity was examined using sulfate-labeled ECM as substrate. Note lack of heparanase activity following incubation of the 65 kDa precursor with medium conditioned by un-stimulated macrophages (Mf + pHpa), as compared to readily detectable activity upon incubation with medium conditioned by IFNg-stimulated macrophages (IFN/Mf+pHpa).

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