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The mRNA levels of CD133 positive and CD133 negative cells after radiation exposure

ABSTRACT: The cancer initiating cells (CICs) act as a tumor initiation source. Recent studies have shown that CICs contribute to chemoresistance and radioresistance. The aims of this study were to investigate the relationship of CD133+ liver CICs and radiation resistance and to define a possible mechanism for radioresistance in hepatocellular carcinoma (HCC).

ORGANISM(S): Homo sapiens

PROVIDER: GSE22247 | GEO | 2013/07/20

SECONDARY ACCESSION(S): PRJNA128761

REPOSITORIES: GEO

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The mRNA levels of CD133 positive and CD133 negative cells after radiation exposure

Project description:The cancer initiating cells (CICs) act as a tumor initiation source. Recent studies have shown that CICs contribute to chemoresistance and radioresistance. The aims of this study were to investigate the relationship of CD133+ liver CICs and radiation resistance and to define a possible mechanism for radioresistance in hepatocellular carcinoma (HCC). Total RNA is obtained from CD133 positive cells and CD133 negative cells at 0, 12 and 24 hours after radiation exposure.

2013-07-20 | E-GEOD-22247 | biostudies-arrayexpress

Expression data comparing Huh7 CD133+ and CD133- HCC cells

Project description:To identify candidate genes involved in enhanced tumorigenicity of CD133+ liver tumor-initiating cells Affymetrix Human Genome U133 Plus GeneChip 2.0 HCC cell line Huh7 was sorted into CD133+ and CD133- populations by flow cytometry

2012-04-04 | E-GEOD-23450 | biostudies-arrayexpress

Expression data comparing PLC8024 CD133+ and CD133- HCC cells

Project description:To identify candidate genes involved in enhanced tumorigenicity of CD133+ liver tumor-initiating cells Affymetrix Human Genome U133 Plus GeneChip 2.0 HCC cell line PLC8024 was sorted into CD133+ and CD133- populations by flow cytometry

2012-04-04 | E-GEOD-23451 | biostudies-arrayexpress

STAT3-mediated CD133 upregulation promotes hepatocellular carcinoma

2014-08-08 | GSE60194 | GEO

Expression data comparing PLC8024 CD133+ and CD133- HCC cells

Project description:To identify candidate genes involved in enhanced tumorigenicity of CD133+ liver tumor-initiating cells Affymetrix Human Genome U133 Plus GeneChip 2.0

2012-04-05 | GSE23451 | GEO

Expression data comparing Huh7 CD133+ and CD133- HCC cells

Project description:To identify candidate genes involved in enhanced tumorigenicity of CD133+ liver tumor-initiating cells Affymetrix Human Genome U133 Plus GeneChip 2.0

2012-04-05 | GSE23450 | GEO

STAT3-mediated CD133 upregulation promotes hepatocellular carcinoma

Project description:We identified a novel mechanism by which IL-6/STAT3 signaling up-regulates CD133 expression and promotes HCC progression. STAT3 activation upregulates the expression of CD133 during liver carcinogenesis. Targeting STAT3-mediated CD133 overexpression may represent a promising therapeutic strategy for HCC patients via eradicating the liver tumor microenviornment. To develop novel cancer therapeutic strategies by identification of signaling pathways or biomarkers and understanding their functions on cancer stem cell biology, we determined CD133 expression and STAT3 activation with tumor microenvironment in HCC patient tissues. The relation of STAT3 activation and CD133 expression was investigated by luciferase assay, shRNA knock-down, and chromatin immunoprecipitation assay in HCC cells, and in vivo xenograft model.

2014-08-08 | E-GEOD-60194 | biostudies-arrayexpress

CD133+CD24lo defines a 5-Fluorouracil-resistant colon cancer stem cell-like phenotype

Project description:Metastatic human colon carcinoma cell lines LS411N and SW620 were cultured in the presence of increased concentration of 5-FU. The selected stable cell lines (LS411N-5FU-R and SW620-5FU-R) are CD133+ that are resistant to 5-FU. However, FACS-sorted CD133+ cells from LS411N and SW620 are not resistant to 5-FU, suggesting that only a subset of CD133+ cells are 5-FU-resistant colon cancer stem cells. A global gene expression profiling was performed to identify differentiated expressed genes between LS411N-CD133+ cells and LS411N-5FU-R, and between SW620-CD133+ and SW620-5FU-R cells. These differentially expressed genes are potentially responsible for the colon cancer stem cell phenotypes and chemoresistance.

2016-12-20 | GSE76489 | GEO

Transcription profiling of human CD133-positive G0 and G1 human ubmbilical vein cells

Project description:To identify regulators of human HSC fate, we transcriptionally profiled quiescent primitive cord blood (CB) CD133+ G0 cells enriched for long term culture initiating cell (LTC-IC) activity. CD133+ G0 cells were sorted by cell cycle status using combined DNA and RNA staining; less immature CD133+G1 cells served as a comparison.

2008-03-06 | E-MEXP-1412 | biostudies-arrayexpress

Benign Uncultured CD133+ vs CD133-

Project description:6 benign TURP samples taken directly from patients were subjected to collagen digestion overnight. Epithelial cells isolated were adhered to collagen for 15 minutes. Adherent cells were passed through a magnetic bead column and cells positive for CD133 antibody were double selected. RNA was extracted from CD133+ and CD133- cells from each patient and amplified using the RiboAmp HS RNA amplification system. CD133+ (Cy5) and CD133- (Cy5) cDNA was hybridised to 30K cDNA array (CRUK facility) using the Invitrogen post labelling system. In each case that RNA was co-hybridised to a human pooled universal reference cDNA (Cy3). Keywords: repeat sample

2008-03-01 | GSE9935 | GEO

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