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In conclusion, these data confirm previously existing assumption about paracrine effect of Igfbps on tumor growth and progression. Phosphorylation of FoxO3 protein may play an important role in survival of cancer cells. Our results showed up-regulation of Igfbp-2 and Igfbp-5 in tumor and tumor surrounding tissue. Igfbp-2 and Igfbp-5, well known activators of Igfs, can be pro-tumorigenic factors, which are important for hepatocarcinogenesis. Hence, therapeutic targeting of these proteins may offer options for intervention in human HCC. Project supported by Russian Foundation for Basic Research (Russia) No. (113-04-01459).
Source: European Journal of Cancer Supplements - Category: Cancer & Oncology Source Type: research