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Fig. 3 | BMC Biology

Fig. 3

From: A role for endothelial nitric oxide synthase in intestinal stem cell proliferation and mesenchymal colorectal cancer

Fig. 3

eNOS and iNOS immunohistochemistry in classified human CRC tumors. eNOS is highly expressed in human mesenchymal CRC tumors. Mesenchymal tumors showed a high expression of eNOS whereas this isoenzyme was low or absent in non-mesenchymal tumors. iNOS expression was found sporadically among the tumors and was restricted to particular areas or even individual cells where the induction may be triggered. Scale bars: 100 μm. CRC: colorectal cancer, eNOS: endothelial NO synthase, iNOS: inducible NO synthase

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