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Investigation of mechanism using highly intrahepatic metastatic cell lines of HCC

ABSTRACT: Investigation of mechanism using highly intrahepatic metastatic cell lines of HCC

PROVIDER: PRJNA635025 | ENA |

REPOSITORIES: ENA

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Investigation of mechanism using highly intrahepatic metastatic cell lines of HCC

Project description:The prognosis of hepatocellular carcinoma (HCC) is poor due to the high incidence of intrahepatic metastasis. The aim of this study is to investigate the mechanism of intrahepatic metastasis in HCC via extracellular vesicles (EVs).

2021-03-23 | GSE151169 | GEO

Molecular and radiopathologic spectrum between HCC and intrahepatic cholangiocarcinoma

Project description:Molecular and radiopathologic spectrum between HCC and intrahepatic cholangiocarcinoma

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Molecular and radiopathologic spectrum between HCC and intrahepatic cholangiocarcinoma

Project description:Background and aims: Primary liver cancers (LCs), including HCC and intrahepatic cholangiocarcinoma (iCCA), are derived from a common developmental lineage, conferring a molecular spectrum between them. To elucidate the molecular spectrum, we performed an integrative analysis of transcriptome profiles associated with patients' radiopathologic features. Approach and results: We identified four LC subtypes (LC1-LC4) from RNA-sequencing profiles, revealing intermediate subtypes between HCC and iCCA. LC1 is a typical HCC characterized by active bile acid metabolism, telomerase reverse transcriptase promoter mutations, and high uptake of gadoxetic acid in MRI. LC2 is an iCCA-like HCC characterized by expression of the progenitor cell-like trait, tumor protein p53 mutations, and rim arterial-phase hyperenhancement in MRI. LC3 is an HCC-like iCCA, mainly small duct (SD) type, associated with HCC-related etiologic factors. LC4 is further subclassified into LC4-SD and LC4-large duct iCCAs according to the pathological features, which exhibited distinct genetic variations (e.g., KRAS , isocitrate dehydrogenase 1/2 mutation, and FGF receptor 2 fusion), stromal type, and prognostic outcomes. Conclusions: Our integrated view of the molecular spectrum of LCs can identify subtypes associated with transcriptomic, genomic, and radiopathologic features, providing mechanistic insights into heterogeneous LC progression.

2022-07-12 | GSE179443 | GEO

Transcriptional Profile Tumor Evolution in Metastatic and Non Metastatic MYC driven HCC

Project description:Transcriptional Profile Tumor Evolution in Metastatic and Non Metastatic MYC driven HCC

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circRNA expression level in highly/low invasive HCC tissues

Project description:Using the highly sensitive cricRNA array, we screened functional circRNAs in the human highly/low invasive HCC tissues, and the function of differentially expressed circRANs were analyzed by bioinformatics. The results revealed that circASH2 inhibits HCC metastasis by circASH2/YBX1/hnRNPs/TPM4 axis.

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circRNA expression level in highly/low invasive HCC tissues

Project description:circRNA expression level in highly/low invasive HCC tissues

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Transcriptomic signature of hepatocellular carcinoma and intrahepatic cholangiocarcinoma derived from oncogenically transformed murine hepatocytes

Project description:Primary liver cancer represents a major health problem. It comprises hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC), which differ markedly with regards to their morphology, metastatic potential and therapy response. Yet, molecular actors and tissue context that commit transformed hepatic cells towards HCC or ICC are largely unknown. Here, we report that the hepatic microenvironment epigenetically shapes lineage commitment in mosaic mouse models of liver tumourigenesis. While a necroptosis associated hepatic cytokine microenvironment determines ICC outgrowth from oncogenically transformed hepatocytes, hepatocytes harbouring identical oncogenic drivers give rise to HCC if surrounded by apoptotic hepatocytes. Epigenome and transcriptome profiling of murine HCC and ICC singled out Tbx3 and Prdm5 as major microenvironment-dependent and epigenetically regulated lineage commitment factors, a function conserved in humans. Together, our study provides unprecedented insights into lineage commitment in liver tumourigenesis and explains molecularly why common liver damaging risk factors can either lead to HCC or ICC.

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Transcriptome analysis of highly metastatic cell line

Project description:A prediction of peritoneal recurrence is of significance using metastasis-related biomarker. This work describes a combined analysis of proteome and transcriptome data for biomarker discovery in highly metastatic cell line. We used nano-flow liquid chromatography (LC) linear ion trap time-of-flight mass spectrometry (LIT-TOF MS) and cDNA microarray to identify specific protein differentially expressed between a highly metastatic stomach cancer cell line MKN-45-P and its parental cell line MKN-45. In total, 240 proteins were found to be expressed between the two cell lines. Of these, 75 proteins (31%) and 49 proteins (20%) were only identified from MKN-45-P and MKN-45 respectively. An mRNA expression of 1533 genes was up-regulated in MKN-45-P compared with MKN-45. No close correlation was found between proteomic and transcriptomic analysis. Interestingly, 4 of 240 proteins (1.6%) were involved in the up-regulated mRNA expression. Comparison analysis of gene expression between highly metastatic gastric cancer cell line MKN-45-P and its parental cell line MKN-45.

2010-06-08 | E-GEOD-21328 | biostudies-arrayexpress

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