Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA172922 | ENA |
REPOSITORIES: ENA
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Project description:Expression profiling of tumor and adjacent non-tumorous tissues of Hepatocellular Carcinoma (HCC) patients. Illumina HumanHT-12 V4.0 expression beadchip was used to obtain expression profiles across more than 31,000 annotated genes. Samples included 59 tumors and 59 adjacent non-tumorous samples.
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Project description:DNA methylation profiling of tumor and adjacent non-tumorous tissues of Hepatocellular Carcinoma (HCC) patients. The Illumina Infinium 27k Human DNA methylation Beadchip v1.2 was used to obtain DNA methylation profiles across approximately 27,000 CpGs. Samples included 59 tumors and 59 adjacent non-tumorous samples.
2014-12-10 | GSE57956 | GEO
Project description:Expression profiling of tumor and adjacent non-tumorous tissues of Hepatocellular Carcinoma (HCC) patients. Illumina HumanHT-12 V4.0 expression beadchip was used to obtain expression profiles across more than 31,000 annotated genes. Samples included 59 tumors and 59 adjacent non-tumorous samples. Total RNA obtained from the 39 tumors and 39 adjacent non-tumorous samples
2014-12-10 | E-GEOD-57957 | biostudies-arrayexpress
Project description:DNA methylation profiling of tumor and adjacent non-tumorous tissues of Hepatocellular Carcinoma (HCC) patients. The Illumina Infinium 27k Human DNA methylation Beadchip v1.2 was used to obtain DNA methylation profiles across approximately 27,000 CpGs. Samples included 59 tumors and 59 adjacent non-tumorous samples. Bisulphite converted DNA from the 59 tumors and 59 adjacent non-tumorous samples were hybridised to the Illumina Infinium 27k Human Methylation Beadchip.
2014-12-10 | E-GEOD-57956 | biostudies-arrayexpress
Project description:These paired HCC and non-tumorous liver tissues were used to determine highly differentially expressed genes in HCC and non-tumorous liver tissue. Hepatocellular carcinoma (HCC) is a malignancy with poor survival outcome. Genes showing extreme differential expression between paired human HCC and adjacent non-tumorous liver tissue were investigated. PLVAP was identified as a gene specifically expressed in vascular endothelial cells of HCC but not in non-tumorous liver tissues. This finding was confirmed by RT-PCR analysis of micro-dissected cells and immunohistochemical staining of tissue sections. A recombinant monoclonal anti-PLVAP Fab fragment co-expressing extracellular domain of human tissue factor (TF) was developed. The potential therapeutic effect and toxicity to treat HCC were studied using a Hep3B HCC xenograft model in SCID mice. Infusion of recombinant monoclonal anti-PLVAP Fab-TF into the tumor feeding artery induced tumor vascular thrombosis and extensive tumor necrosis at doses between 2.5 µg and 12 µg. Tumor growth was suppressed for 40 days after a single treatment. Systemic administration did not induce tumor necrosis. Little systemic toxicity was noted for this therapeutic agent. The results of this study suggest that anti-PLVAP Fab-TF may be used to treat HCC cases for which transcatheter arterial chemoembolization (TACE) is currently used, but without major drawbacks of TACE. Anti-PLVAP Fab-TF may improve therapeutic outcome and be a viable therapeutic agent in patients with more advanced disease and compromised liver function. Frozen hepatocellular carcinoma and adjacent non-tumorous liver tissues were used for gnee expression profiling study. Affymetrix U133A genechips were used for gene expression profiling. This dataset is part of the TransQST collection.
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Project description:Long noncoding RNAs (lncRNAs) are a class of non-coding RNAs longer than 200 nt that function in endogenous gene regulation and tumorigenesis. Hepatocellular carcinoma (HCC) is a heterogeneous disease with different treatment outcome. It is a challenge to develop a prognostic marker to identify HCC patients who are at greatest risk for recurrence or death. In this study, we try to screen lncRNAs whose expression levels are associated with recurrence or death of HCC patients through an extensive lncRNA profiling study on a cohort of 59 HCC patients. For these experiments, we used RNA extracted from 59 HCC tissues and 20 normal livers. Total RNAs from the 20 normal livers were pooled and used as a reference for all microarray experiments. For each microarray experiment, Cy5-labeled probes derived from the DNase-treated total RNA from each HCC sample was hybridized against Cy3-labeled probes derived from common reference on Arraystar Human LncRNA Microarray (Arraystar, Rockville, USA). LncRNAs whose expression was significantly associated with disease-specific survival and time to recurrence were selected based on microarray data. The univariate Cox proportional hazards model was used to assess the association of lncRNAs with survival. We computed a statistical significance level (P value) for two endpointsM-bM-^@M-^Tthe time to cancer-related death and time to recurrence, based on univariate Cox proportional hazards models in BRB-ArrayTools version 4.2.0.
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Project description:These paired HCC and non-tumorous liver tissues were used to determine highly dfferentially expressed genes in HCC and non-tumorous liver tissue. Hepatocellular carcinoma (HCC) is a malignancy with poor survival outcome. Genes showing extreme differential expression between paired human HCC and adjacent non-tumorous liver tissue were investigated. PLVAP was identified as a gene specifically expressed in vascular endothelial cells of HCC but not in non-tumorous liver tissues. This finding was confirmed by RT-PCR analysis of micro-dissected cells and immunohistochemical staining of tissue sections. A recombinant monoclonal anti-PLVAP Fab fragment co-expressing extracellular domain of human tissue factor (TF) was developed. The potential therapeutic effect and toxicity to treat HCC were studied using a Hep3B HCC xenograft model in SCID mice. Infusion of recombinant monoclonal anti-PLVAP Fab-TF into the tumor feeding artery induced tumor vascular thrombosis and extensive tumor necrosis at doses between 2.5 µg and 12 µg. Tumor growth was suppressed for 40 days after a single treatment. Systemic administration did not induce tumor necrosis. Little systemic toxicity was noted for this therapeutic agent. The results of this study suggest that anti-PLVAP Fab-TF may be used to treat HCC cases for which transcatheter arterial chemoembolization (TACE) is currently used, but without major drawbacks of TACE. Anti-PLVAP Fab-TF may improve therapeutic outcome and be a viable therapeutic agent in patients with more advanced disease and compromised liver function.
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