siomycin-a and Cell-Transformation--Neoplastic

siomycin-a has been researched along with Cell-Transformation--Neoplastic* in 1 studies

Other Studies

1 other study(ies) available for siomycin-a and Cell-Transformation--Neoplastic

Article	Year
Peroxiredoxin II promotes hepatic tumorigenesis through cooperation with Ras/Forkhead box M1 signaling pathway. Oncogene, 2016, 07-07, Volume: 35, Issue:27 The current study was carried out to define the involvement of Peroxiredoxin (Prx) II in progression of hepatocellular carcinoma (HCC) and the underlying molecular mechanism(s). Expression and function of Prx II in HCC was determined using H-ras(G12V)-transformed HCC cells (H-ras(G12V)-HCC cells) and the tumor livers from H-ras(G12V)-transgenic (Tg) mice and HCC patients. Prx II was upregulated in H-ras(G12V)-HCC cells and H-ras(G12V)-Tg mouse tumor livers, the expression pattern of which highly similar to that of forkhead Box M1 (FoxM1). Moreover, either knockdown of FoxM1 or site-directed mutagenesis of FoxM1-binding site of Prx II promoter significantly reduced Prx II levels in H-ras(G12V)-HCC cells, indicating FoxM1 as a direct transcription factor of Prx II in HCC. Interestingly, the null mutation of Prx II markedly decreased the number and size of tumors in H-ras(G12V)-Tg livers. Consistent with this, knockdown of Prx II in H-ras(G12V)-HCC cells reduced the expression of cyclin D1, cell proliferation, anchorage-independent growth and tumor formation in athymic nude mice, whereas overexpression of Prx II increased or aggravated the tumor phenotypes. Importantly, the expression of Prx II was correlated with that of FoxM1 in HCC patients. The activation of extracellular signal-related kinase (ERK) pathway and the expression of FoxM1 and cyclin D1 were highly dependent on Prx II in H-ras(G12V)-HCC cells and H-ras(G12V)-Tg livers. Prx II is FoxM1-dependently-expressed antioxidant in HCC and function as an enhancer of Ras(G12V) oncogenic potential in hepatic tumorigenesis through activation of ERK/FoxM1/cyclin D1 cascade. Topics: Animals; Blotting, Western; Carcinoma, Hepatocellular; Cell Line, Tumor; Cell Transformation, Neoplastic; Cells, Cultured; Female; Forkhead Box Protein M1; Gene Expression Regulation, Neoplastic; Hep G2 Cells; Humans; Liver; Liver Neoplasms; Mice; Mice, Knockout; Mice, Nude; Mice, Transgenic; NIH 3T3 Cells; Peptides; Peroxiredoxins; Proto-Oncogene Proteins p21(ras); Reverse Transcriptase Polymerase Chain Reaction; RNA Interference; Signal Transduction; Transplantation, Heterologous	2016

Article

Year

Peroxiredoxin II promotes hepatic tumorigenesis through cooperation with Ras/Forkhead box M1 signaling pathway.

Oncogene, 2016, 07-07, Volume: 35, Issue:27

The current study was carried out to define the involvement of Peroxiredoxin (Prx) II in progression of hepatocellular carcinoma (HCC) and the underlying molecular mechanism(s). Expression and function of Prx II in HCC was determined using H-ras(G12V)-transformed HCC cells (H-ras(G12V)-HCC cells) and the tumor livers from H-ras(G12V)-transgenic (Tg) mice and HCC patients. Prx II was upregulated in H-ras(G12V)-HCC cells and H-ras(G12V)-Tg mouse tumor livers, the expression pattern of which highly similar to that of forkhead Box M1 (FoxM1). Moreover, either knockdown of FoxM1 or site-directed mutagenesis of FoxM1-binding site of Prx II promoter significantly reduced Prx II levels in H-ras(G12V)-HCC cells, indicating FoxM1 as a direct transcription factor of Prx II in HCC. Interestingly, the null mutation of Prx II markedly decreased the number and size of tumors in H-ras(G12V)-Tg livers. Consistent with this, knockdown of Prx II in H-ras(G12V)-HCC cells reduced the expression of cyclin D1, cell proliferation, anchorage-independent growth and tumor formation in athymic nude mice, whereas overexpression of Prx II increased or aggravated the tumor phenotypes. Importantly, the expression of Prx II was correlated with that of FoxM1 in HCC patients. The activation of extracellular signal-related kinase (ERK) pathway and the expression of FoxM1 and cyclin D1 were highly dependent on Prx II in H-ras(G12V)-HCC cells and H-ras(G12V)-Tg livers. Prx II is FoxM1-dependently-expressed antioxidant in HCC and function as an enhancer of Ras(G12V) oncogenic potential in hepatic tumorigenesis through activation of ERK/FoxM1/cyclin D1 cascade.

Topics: Animals; Blotting, Western; Carcinoma, Hepatocellular; Cell Line, Tumor; Cell Transformation, Neoplastic; Cells, Cultured; Female; Forkhead Box Protein M1; Gene Expression Regulation, Neoplastic; Hep G2 Cells; Humans; Liver; Liver Neoplasms; Mice; Mice, Knockout; Mice, Nude; Mice, Transgenic; NIH 3T3 Cells; Peptides; Peroxiredoxins; Proto-Oncogene Proteins p21(ras); Reverse Transcriptase Polymerase Chain Reaction; RNA Interference; Signal Transduction; Transplantation, Heterologous

2016