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Fig. 3 | BMC Cancer

Fig. 3

From: Higher IGFBP-1 to IGF-1 serum ratio predicts unfavourable survival in patients with nasopharyngeal carcinoma

Fig. 3

Expression analysis of IGFBP-1 and IGF-1 in NPC by immunohistochemistry. NPC slides were process for immunohistochemistry of IGFBP-1 and IGF-1 and the following observations were made: a-g. (×200). a Negative stain of IGFBP-1 in NPC tissues. b Low expression level of IGFBP-1 in adjacent non-tumourous tissue. c High expression level of IGFBP-1 in NPC tissues. d Negative stain of IGF-1 in NPC tissues. e Low expression of IGF-1 in NPC tissues. f High expression of IGF-1 in adjacent non-tumourous tissue. Bar, 50 μm

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