Research Paper Volume 15, Issue 21 pp 12251—12263

Polyphyllin I attenuates the invasion and metastasis via downregulating GRP78 in drug-resistant hepatocellular carcinoma cells

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Figure 4. GRP78 is a key target that increases sorafenib resistance and promotes invasion and metastasis in liver cancer. (A) The effect of sorafenib on the expression of proteins in SR-HCC. The expression levels of proteins (E-cadherin, N-cadherin, Vimentin, ABCG2 and GRP78) in HCC cells treated with sorafenib for 24 h. (B) The effects of GRP78 overexpression/knockdown on protein expression in HepG/S cells. (C) Effects of GRP78 overexpression/knockdown on migration and invasion of SR-HCC cells.