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Fig. 1 | Journal of Biomedical Science

Fig. 1

From: Blocking heme oxygenase-1 by zinc protoporphyrin reduces tumor hypoxia-mediated VEGF release and inhibits tumor angiogenesis as a potential therapeutic agent against colorectal cancer

Fig. 1

VEGF overexpressed in the sera of the enrolled patients with colorectal cancer. a Total 34 pairs of clinical tissues from the enrolled patients were stained using methylene blue staining and distinguished by a pathologist. The healthy volunteers were not tested due to ethical issues, who had no evidence of known CRC. NT: non-tumor; T: tumor. Scale bar: 100 μm. b VEGF levels were increased in the sera of patients with colorectal cancer (n = 34) compared to that in healthy volunteers (n = 15). *p < 0.05

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Journal of Biomedical Science

ISSN: 1423-0127