Strong enhancement by IGF1-R antagonists of hepatocellular carcinoma cell migration inhibition by Sorafenib and/or vitamin K1

Cellular Oncology (Dordrecht)
Rosalba D'AlessandroBrian Irving Carr

Abstract

Emerging evidence indicates that combining Sorafenib with vitamin K1 (VK1) may result in a synergistic inhibition of hepatocellular carcinoma (HCC) cell migration and proliferation. Despite this synergy, its benefits may be limited due to drug resistance resulting from cross-talk with the tumor microenvironment. Insulin-like growth factor-1 (IGF1) signaling acts as an important modulator of HCC cell growth, motility and drug resistance. Therefore, we aimed to explore the effects of Sorafenib in combination with VK1 and/or IGF1-R antagonists on HCC cells. Scratch wound migration assays were performed to assess the motility of HCC-derived PLC/PRF/5, HLF and Hep3B cells. The synergistic, additive or antagonistic effects of Sorafenib, VK1 and IGF1-R antagonists on HCC cell motility were assessed using CompuSyn software. The effects mediated by these various compounds on HCC cytoskeleton organization were evaluated using DyLight 554 Phalloidin staining. Proliferation and migration-associated signaling pathways were analyzed in PLC/PRF/5 cells using Erk1/2 and Akt activation kits and Western blotting (Mek, JNK, Akt, Paxillin and p38), respectively. The effects of the IGF1-R antagonists GSK1838705A and OSI-906 on HCC cell migration in...Continue Reading

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Citations

Aug 7, 2019·Therapeutic Advances in Medical Oncology·Zhimin TongDipen M Maru
Jan 8, 2022·Biotechnology and Applied Biochemistry·Sameena GulTonghui Ma

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Software Mentioned

CompuSyn
Office
Excel
GraphPad Prism

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