Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Characterization of Gene Expression in liver cell


ABSTRACT: The Human Agilent 60-mer, oligonucleotide microarray consists of a total of probes covering 41,096 genes of human. Through a validation study, total RNA isolated from liver cells were used for comparison of gene expression profiles via microarray examination. A list of significantly differentially expressed genes was generated; 267 genes were up-regulated genes, and 65 genes were down-regulated genes. The Agilent microarray platform is based upon the hybridization of a single labeled sample (derived from RNA), followed by one-channel detection. The intensity of the hybridization signal is used to determine target concentration. In order to validate the technical quality of each probe in our arrays, we carried out 6 independent hybridizations on samples. To examine the gene expression profiles between rice root and shoot development, total RNA extracted from cell lines were processed on the Agilent microarray following the standard protocol using five arrays for each tissue type. Raw expression data from 6 microarrays were normalized and Pearson's correlation coefficients were calculated for the data sets of hybridization signal intensities. Oxaliplatin-resistant MHCC97H liver cell line treated with Oxaliplatin or control.

ORGANISM(S): Homo sapiens

SUBMITTER: Yang Bu 

PROVIDER: E-GEOD-51951 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Maintenance of stemness in oxaliplatin-resistant hepatocellular carcinoma is associated with increased autocrine of IGF1.

Bu Yang Y   Jia Qing-An QA   Ren Zheng-Gang ZG   Zhang Ju-Bo JB   Jiang Xue-Mei XM   Liang Lei L   Xue Tong-Chun TC   Zhang Quan-Bao QB   Wang Yan-Hong YH   Zhang Lan L   Xie Xiao-Ying XY   Tang Zhao-You ZY  

PloS one 20140314 3


<h4>Background</h4>Evidence suggests that many types of cancers are composed of different cell types, including cancer stem cells (CSCs). We have previously shown that the chemotherapeutic agent oxaliplatin induced epithelial-mesenchymal transition, which is thought to be an important mechanism for generating CSCs. In the present study, we investigate whether oxaliplatin-treated cancer tissues possess characteristics of CSCs, and explore oxaliplatin resistance in these tissues.<h4>Methods</h4>He  ...[more]

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