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. 2018 Nov 6;18:1068. doi: 10.1186/s12885-018-4903-7

Fig. 4.

Fig. 4

Immunohistochemical staining of GPNMB in human tissue microarray. 1 mm core were used from each patient’s FFPE Block on the TMAs. a Positive GPNMB staining of brown color (DAB) represented in membrane in normal colon biopsies, some staining was also noted in the stroma. b Moderate cytoplasmic membrane staining marked in biopsy specimens from advanced adenoma. c CRC patients showed absence of GPNMB staining in the malignant cells. Statistical analysis was performed using the chi-square test