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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from LoVo colon cancer lines +/- constitutive LIN28B expression

ABSTRACT: We sought to elucidate the molecular mechanisms whereby LIN28B functions by comparing the gene expression profile of cells constitutively expressing LIN28B to empty vector controls. Accordingly, we performed microarray analysis on total RNA isolated from empty vector LoVo and LIN28B-expressing LoVo colon cancer cell lines. Constitutive LIN28B expression was achieved in the LoVo (ATCC #CCL-229) colon cancer cell line via retroviral transduction of MSCV-PIG-LIN28B. Contol = empty vector MSCV-PIG.

ORGANISM(S): Homo sapiens

SUBMITTER: Catrina King

PROVIDER: E-GEOD-26334 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data from xenograft tumors derived from LoVo colon cancer lines +/- constitutive LIN28B expression

Project description:We sought to elucidate functions of LIN28B and potential mechanisms whereby it may promote metastasis by comparing the gene expression profile of LIN28B metastases to primary tumors. Accordingly, we performed microarray analysis on total RNA isolated from empty vector tumors, LIN28B-LoVo tumors, and LIN28B-LoVo metastases Constitutive LIN28B expression was achieved in the LoVo (ATCC #CCL-229) colon cancer cell line via retroviral transduction of MSCV-PIG-LIN28B. xenografts were produced via injection of 1x106 cells subcutaneously into the rear flanks of nude mice. Microarrays were conducted on primary tumors from empty vector and LIN28B-expressing cells, as well as metastases derived from primary tumors constitutively expressing LIN28B. (Note: metastases did not occur with empty vector tumors)

2010-12-29 | E-GEOD-26335 | biostudies-arrayexpress

Expression data from LoVo colon cancer lines +/- constitutive LIN28B expression

Project description:We sought to elucidate the molecular mechanisms whereby LIN28B functions by comparing the gene expression profile of cells constitutively expressing LIN28B to empty vector controls. Accordingly, we performed microarray analysis on total RNA isolated from empty vector LoVo and LIN28B-expressing LoVo colon cancer cell lines.

2010-12-29 | GSE26334 | GEO

Expression data from LoVo colon cancer lines +/- constitutive LIN28B expression

2010-12-29 | GSE26334 | GEO

LIN28B and colon cancer

Project description:This SuperSeries is composed of the following subset Series: GSE26334: Expression data from LoVo colon cancer lines +/- constitutive LIN28B expression GSE26335: Expression data from xenograft tumors derived from LoVo colon cancer lines +/- constitutive LIN28B expression Refer to individual Series

2010-12-29 | E-GEOD-26336 | biostudies-arrayexpress

Expression data from xenograft tumors derived from LoVo colon cancer lines +/- constitutive LIN28B expression

2010-12-29 | GSE26335 | GEO

Expression data from xenograft tumors derived from LoVo colon cancer lines +/- constitutive LIN28B expression

2010-12-29 | GSE26335 | GEO

LIN28B is overexpressed in specific subtypes of pediatric leukemia and regulates lncRNA H19 [Oci-AML3]

Project description:The stem cell gene LIN28B was recently shown to be overexpressed in a foetal-like subgroup of juvenile myelomonocytic leukaemia. Given the involvement of LIN28B in a variety of solid paediatric cancers, we conducted a meta-analysis of LIN28B levels using publicly available gene expression data of 1361 paediatric leukaemia samples. Interestingly, this analysis revealed LIN28B overexpression in 102 childhood leukaemia patients (7.5%), suggesting oncogenic activity for LIN28B in the context of paediatric haematological diseases. As the mode of action of LIN28B during normal and malignant haematopoiesis remains largely unexplored, we subsequently analysed the transcriptional consequences of LIN28B modulation on normal and malignant haematopoietic cells and identified the long non-coding RNA (lncRNA) H19 as the first LIN28B-regulated lncRNA. Oci-AML3 cells were retrovirally transduced with MSCV-PIG-LIN28B and MSCV-PIG-empty vectors (gifts from Johua Mendel lab), selected with puromycin and hybridized on Agilent microarray.

2016-04-07 | E-GEOD-79979 | biostudies-arrayexpress

Expression data from human colorectal cancer cell line LoVo

Project description:PEAK1 overexpression vector and negative control vector were transiently transfected into LoVo cells, respectively, and named LoVo-PEAK1 and LoVo-control groups. LoVo cells of different groups were determined to investigate the different expressions of mRNA using a global gene microarray.

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Both gain and loss of function of miR-126 promote t(8;21) leukemia progression with different consequences and through different mechanisms

Project description:To investigate the pathological effect of miR-126 on the progression of acute myeloid leukemia (AML) induced by AML1-ETO9a (AE9a), we conducted a series of mouse bone marrow transplantation (BMT) assays with the following groups: AE9a (primary donor cells were wild-type mouse bone marrow progenitor (i.e., lineage negative; Lin-) cells retrovirally transduced with MSCV-PIG-AE9a), AE9a+miR-126 (primary donor cells were wild-type mouse bone marrow progenitor (i.e., Lin-) cells retrovirally transduced with MSCV-PIG-AE9a-miR-126), and miR-126KO+AE9a (primary donor cells were miR-126 knockout mouse bone marrow progenitor (i.e., Lin-) cells retrovirally transduced with MSCV-PIG-AE9a), along with a control group (primary donor cells were wild-type mouse bone marrow progenitor (i.e., Lin-) cells retrovirally transduced with MSCV-PIG empty vector). The control group was only used in the primary and secondary BMT assays, whereas the three leukemic groups including AE9a, AE9a+miR-126 and miR-126KO+AE9a were used in four passages (i.e., primary, secondary, tertiary and quaternary) of BMT assays. Then, gene expression profiling was conducted with bone marrow samples collected from different groups to decipher the molecular mechanisms underlying miR-126 effects on leukemia initiation and progression and maintenance and self-renewal of leukemia stem/initiating cells.

2015-09-07 | GSE65939 | GEO

Expression data of cultured MCF10A cells transduced with MYB or MYB-NFIB expression vectors

Project description:This experiment investigates differences between control cells (empty vector) and cells with MYB or MYB-NFIB (M14N9) overexpression using MSCV vectors

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