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. 2013 Oct 3;8(10):e76550. doi: 10.1371/journal.pone.0076550

Figure 6. ABCB1 expression in primary human melanomas and corresponding metastases.

Figure 6

A) Representative examples of primary melanoma (left) and melanoma metastasis (right) immunostained for ABCB1 (scale bar, 150µm; +, cytoplasmic staining; *, membranous staining).

B) Summary of semi-quantitative analysis, showing estimated percentage of ABCB1+ cells and signal intensity (no staining = 0, weak signal = +, moderate signal = ++, strong signal = +++; N/A, not applicable).

C) Primary melanoma immunostained for ABCB1 (top) and higher magnification of the boxed area (bottom) (scale bar, 300µm).