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Gene expression of three hepatocellular carcinoma cell lines with different organ-tropism.

ABSTRACT: In this study we investigated the gene expression profiling in three HCC cell lines with different organ-tropism.The parent cell line has low metastasis ability in nude mice model. Subclone 1 has higher metastasis ability specific to lung, and subclone 2 has dual metastasis ability to lung and celiac lymph node. We aimed to explore differentially expressed genes involved in process of HCC metastasis and organ-specific metastasis, and identify their biological functions.

ORGANISM(S): Homo sapiens

PROVIDER: GSE38945 | GEO | 2014/06/30

SECONDARY ACCESSION(S): PRJNA169359

REPOSITORIES: GEO

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Gene expression of three hepatocellular carcinoma cell lines with different organ-tropism.

Project description:In this study we investigated the gene expression profiling in three HCC cell lines with different organ-tropism.The parent cell line has low metastasis ability in nude mice model. Subclone 1 has higher metastasis ability specific to lung, and subclone 2 has dual metastasis ability to lung and celiac lymph node. We aimed to explore differentially expressed genes involved in process of HCC metastasis and organ-specific metastasis, and identify their biological functions. Examination of different gene expression among the 3 cell types.

2014-06-30 | E-GEOD-38945 | biostudies-arrayexpress

Small RNAs expression of three hepatocellular carcinoma cell lines with different organ-tropism.

Project description:In this study we investigated the small RNAs expression profiling of three HCC cell lines with different organ-tropism.The parent cell line has low mestastasis ability in nude mice model. Subclone 1 has higher metastasis ability specific to lung, and subclone 2 has dual metastasis ability to lung and celiac lymph node. We aimed to explore differentially expressed small RNAs involved in process of HCC metastasis and organ-specific metastasis, and identify their biological functions.

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Small RNAs expression of three hepatocellular carcinoma cell lines with different organ-tropism.

2014-06-30 | E-GEOD-39003 | biostudies-arrayexpress

Oncogenic Functions of the Transcription Factor LSF

Project description:Overexpression of LSF in less aggressive hepatocellular carcinoma (HCC) cells resulted in highly aggressive, angiogenic and multi-organ metastatic tumors while inhibition of LSF significantly abrogated growth and metastasis of highly aggressive HCC cells in nude mice. We used microarrays to identify the downstream genes mediating the effects of LSF in HCC cells.

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Oncogenic Functions of the Transcription Factor LSF

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TFAM loss induces nuclear actin assembly upon mDia2 malonylation to promote liver cancer metastasis

Project description:The mechanisms underlying cancer metastasis remain poorly understood. Here, we report that TFAM deficiency rapidly and stably induced spontaneous lung metastasis in mice with liver cancer. Interestingly, unexpected polymerization of nuclear actin was observed in TFAM-knockdown HCC cells when cytoskeleton was examined. Polymerization of nuclear actin is causally linked to the high-metastatic ability of HCC cells by modulating chromatin accessibility and coordinating the expression of genes associated with extracellular matrix remodeling, angiogenesis, and cell migration. Mechanistically, TFAM deficiency blocked the TCA cycle and increased the intracellular malonyl-CoA levels. Malonylation of mDia2, which drives actin assembly, promotes its nuclear translocation. Importantly, inhibition of malonyl-CoA production or nuclear actin polymerization significantly impeded the spread of HCC cells in mice. Moreover, TFAM was significantly downregulated in metastatic HCC tissues and was associated with overall survival and time to tumor recurrence of HCC patients. Taken together, our study connects mitochondria to the metastasis of human cancer via uncovered mitochondria-to-nucleus retrograde signaling, indicating that TFAM may serve as an effective target to block HCC metastasis.

2022-06-23 | MTBLS4307 | MetaboLights

comparison of mRNA expression among rat hepatoma cell lines with different metastatic ability

2012-06-21 | GSE30469 | GEO

comparison of mRNA expression among rat hepatoma cell lines with different metastatic ability

Project description:To reduce cancer mortality, understanding of mechanisms of cancer metastasis is crucial. We have established 6 rat hepatocellular carcinoma (HCC) cell lines, which exhibit differing metastatic potential to the lung after inoculation into the tail veins of nude mice. Micorarray analysis of 4 kinds of HCC cells and rat normal liver tissue was performed to find a potent molecular target for prevention of cancer metastasis. By the microarray analysis, mRNA expression was compared among two low-metastatic rat HCC cell lines (C5F and C6) and two high-metastatic rat HCC cell lines (N1 and L2) as well as non-treated rat liver tissue (as a reference sample).

2012-06-20 | E-GEOD-30469 | biostudies-arrayexpress

Organ-specific tropism and adaptation after metastasis of ER+ breast cancers

Project description:Organ-specific tropism and adaptation after metastasis of ER+ breast cancers

| PRJNA542275 | ENA

Differentiation Score and Intrinsic Subtype Predict Breast Cancer Organ of Relapse

Project description:The ability to predict metastatic potential is of clinical and biological importance. Numerous metastasis/relapse predictors exist for breast cancer patients; however, what is less well established is whether predicting metastasis to specific organs sites is feasible. In this study we sought to determine: 1) the degree to which gene signatures vary across tumors and their metastases, 2) if genomic intrinsic subtypes associate with particular organs of relapse, and 3) if other genomic signatures can predict spread to specific organs. Using a gene expression microarray data set of >1000 breast tumors and metastases, we observed that >90% of 298 gene signatures were similarly expressed between matched pairs of breast tumors and metastases; those most altered were reflective of cell types including fibroblasts and immune cells. Significant associations were identified between tumor subtypes and organ of first relapse. Among these, HER2-enriched tumors were significantly associated with liver, and Basal-like and Claudin-low tumors with brain and lung. Correspondingly, previously published brain and lung metastasis signatures, along with embryonic stem cell and tumor initiating cell signatures, were also associated with Basal-like and Claudin-low subtypes. These signatures strongly correlated with low Differentiation Scores (DS) and, to a lesser extent, high proliferation. Interestingly, within Basal-like and Claudin-low tumors, low DS further predicted for brain and lung metastases. In total, intrinsic subtype and DS provide clinically useful information that identifies the distant organ sites that should be most closely monitored for signs of disease recurrence. 414 samples profiled on Agilent microarrays.

2011-06-20 | E-GEOD-26338 | biostudies-arrayexpress

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