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Explore the expression of ASS in melanoma tissue through immunohistochemical analysis. A: Positive ASS staining shown in brown color. B: Melanoma sample lacking ASS expression. C: ASS-positive endothelial cells amidst ASS-negative melanoma tissue. Magnification: 200x.
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A B C Fig 2S. Immunohistochemical detection of ASS in melanoma tissue . A: Brown color depicts positive staining for ASS. B: Melanoma specimen which did not express ASS. C: Endothelial cells which expressed ASS in a background of melanoma tissue which did not express ASS. (200x magnification)