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Identification of GLI1 direct target genes in human pancreatic cancer cell line Panc-1

ABSTRACT: Panc-1GLI1ER and Panc-1ER were established from human pancreatic cancer cell line Panc-1. Panc-1GLI1ER cells express a chimeric transgene composed of an enhanced green fluorescent protein (EGFP)-tagged version of the amino-terminal half of GLI1, fused to the AF2 domain of the mouse estrogen receptor 1(Esr1) cDNA. On the other hand, Panc-1ER harbor only EGFP-tagged AF2 domain. To identify GLI1 direct target genes, total RNAs were purified from the cells before and 3 hours after the beta-estradiol (E2) treatment. Gene expression profiles were analyzed by AGILENT human 4x44 cDNA microarray. Keywords: Expression profiling by genome tiling array

ORGANISM(S): Homo sapiens

PROVIDER: GSE28901 | GEO | 2013/07/18

SECONDARY ACCESSION(S): PRJNA140659

REPOSITORIES: GEO

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Identification of GLI1 direct target genes in human pancreatic cancer cell line Panc-1

Project description:Panc-1GLI1ER and Panc-1ER were established from human pancreatic cancer cell line Panc-1. Panc-1GLI1ER cells express a chimeric transgene composed of an enhanced green fluorescent protein (EGFP)-tagged version of the amino-terminal half of GLI1, fused to the AF2 domain of the mouse estrogen receptor 1(Esr1) cDNA. On the other hand, Panc-1ER harbor only EGFP-tagged AF2 domain. To identify GLI1 direct target genes, total RNAs were purified from the cells before and 3 hours after the beta-estradiol (E2) treatment. Gene expression profiles were analyzed by AGILENT human 4x44 cDNA microarray. Keywords: Expression profiling by genome tiling array GLI1 direct target genes were identified in Panc-1 cells. Gene expression profiles of Panc-1GLI1ER and Panc-1ER cells were analyzed by AGILENT human 4x44 cDNA microarray before and 3 hours after treatment of beta-estradiol (E2) at doses of 10nM.

2013-07-18 | E-GEOD-28901 | biostudies-arrayexpress

Identification of GLI1 direct and indirect target genes in human pancreatic cancer cell line Panc-1

Project description:Panc-1GLI1ER and Panc-1ER were established from human pancreatic cancer cell line Panc-1. Panc-1GLI1ER cells express a chimeric transgene composed of an enhanced green fluorescent protein (EGFP)-tagged version of the amino-terminal half of GLI1, fused to the AF2 domain of the mouse estrogen receptor 1(Esr1) cDNA. On the other hand, Panc-1ER harbor only EGFP-tagged AF2 domain. To identify GLI1 direct target genes, total RNAs were purified from the cells before and 24 hours after the beta-estradiol (E2) treatment. Gene expression profiles were analyzed by AGILENT human 4x44 cDNA microarray. Keywords: Expression profiling by genome tiling array

2017-04-01 | GSE28902 | GEO

Identification of GLI1 direct target genes in human prostate cancer cell line PC3

Project description:PC3GLI1ER and PC3ER were established from human prostate cancer cell line PC3. PC3GLI1ER cells express a chimeric transgene composed of an enhanced green fluorescent protein (EGFP)-tagged version of the amino-terminal half of GLI1, fused to the AF2 domain of the mouse estrogen receptor 1(Esr1) cDNA. On the other hand, PC3ER harbor only EGFP-tagged AF2 domain. To identify GLI1 direct target genes, total RNAs were purified from the cells before and 3 hours after the beta-estradiol (E2) treatment. Gene expression profiles were analyzed by AGILENT human 4x44 cDNA microarray. Keywords: Expression profiling by array

2017-04-01 | GSE28899 | GEO

Identification of GLI1 direct and indirect target genes in human prostate cancer cell line PC3

Project description:PC3GLI1ER and PC3ER were established from human prostate cancer cell line PC3. PC3GLI1ER cells express a chimeric transgene composed of an enhanced green fluorescent protein (EGFP)-tagged version of the amino-terminal half of GLI1, fused to the AF2 domain of the mouse estrogen receptor 1(Esr1) cDNA. On the other hand, PC3ER harbor only EGFP-tagged AF2 domain. To identify GLI1 direct target genes, total RNAs were purified from the cells before and 24 hours after the beta-estradiol (E2) treatment. Gene expression profiles were analyzed by AGILENT human 4x44 cDNA microarray. Keywords: Expression profiling by array

2017-04-01 | GSE28900 | GEO

Identification of ZIC2 target genes in human pancreatic cancer cell lines PANC-1 and KP-4

2014-04-14 | GSE39704 | GEO

Identification of ZIC2 target genes in human pancreatic cancer cell lines PANC-1 and KP-4

Project description:PANC-1Tet/ZIC2 and PANC-1Tet/empty were established from human pancreatic cancer cell line PANC-1. PANC-1Tet/ZIC2 cells express FLAG-tagged human ZIC2 on the withdrawal of DOX. On the other hand, PANC-1Tet/empty was transfected an empty vector for the control experiment. To identify ZIC2 target genes, total RNAs were purified from the cells before and 48 hours after the DOX withdrawal. Gene expression profiles were analyzed by AGILENT human 4x44k cDNA microarray. As well as ZIC2-inducible system, we performed ZIC2-knockdown experiments in PANC-1 human pancreatic cancer cells. After 96 hours transfection of siRNAs for ZIC2 and its control, total RNAs were purified and gene expression profiles were analyzed by AGILENT human 4x44k cDNA microarray. ZIC2 target genes were identified in PANC-1 cells. Gene expression profiles of PANC-1Tet/ZIC2 and PANC-1Tet/empty cells were analyzed by AGILENT human 4x44k cDNA microarray before and 48 hours after the DOX withdrawal. As well as ZIC2-inducible system, gene expression profiles of control- and ZIC2-knocdown PANC-1 cells were also analyzed by AGILENT human 4x44k cDNA microarray.

2014-04-14 | E-GEOD-39704 | biostudies-arrayexpress

Chromatin accessibility in response to knockdown of GLI1 and SMARCA2 in GLI1-mediated gene expression.

Project description:GLI1 is a transcription factor correlated to decreased survival in several cancers. We have identified SMARCA2 as a co-regulator that enhances GLI1-mediated transcriptional activity and functions through the C-terminal transcriptional activation domain of GLI1. Central domains including the ATPase motif of SMARCA2 physically interact with GLI1. Evaluation of DNA density indicates GLI1, like SMARCA2, can increase the DNA accessibility with a preference for sites distal to gene transcription start sites and outside the promoter regions (i.e. enhancers). The putative enhancers where accessibility is decreased by the knock down of GLI1 and SMARCA2 are located cis to genes, such as HHIP, that are regulated by GLI1 and implicated in cancer functions. At the putative enhancer for HHIP, the localization of SMARCA2 is at least partially dependent on GLI1’s presence. Understanding this transcriptional regulation by GLI1 and SMARCA2 through altering chromatin accessibility at enhances can provide additional therapeutic targets for cancers dependent on GLI1.

2020-05-11 | GSE143684 | GEO

Gene expression in response to knockdown of GLI1.

2020-05-11 | GSE143681 | GEO

GLI1-regulated genes in human mammary epithelial cells and human breast cancer cells

Project description:To clarify transcriptional target genes of GLI1 in human mammary epithelial cells and breast cancer cells, primary culture cells of human mammary epithelium HMEC and breast cancer cell line MCF-7 were lentivirally transduced by either GLI1 or its control LacZ. Their RNA samples were served for expression analysis using AGILENT human 8x60K cDNA microarray. Array analysis of HMEC and MCF-7 expressing either GLI1 or LacZ. 1 color method was employed.

2015-04-28 | E-GEOD-64350 | biostudies-arrayexpress

Expression profile of Gli1-expressing keratinocytes from mouse skin

Project description:To assess if Hedgehog (Hh) responding cells in the skin have a unique expression profile, isolated keratinocytes that express the Hh response gene Gli1 were collected by FACS and their gene expression was compared to sorted CD34-expressing cells from the middle bulge region of the hair follicle and to cells from the interfollicular epidermis (IFE) by hybridization of isolated RNA to gene expression microarrays. Dissociated keratinocytes isolated form back skin of Gli1-eGFP/+ mice (2 mice pooled for each replicate) in adult telogen were sorted based on GFP expression and immunostaining for CD34. Only viable, single cells with immunostaining for α6 Integrin (to mark basal keratinocytes) were collected. GFP(+) cells were collected as the Gli1 cohort. GFP(-) CD34(+) cells were collected as the CD34 cohort, and GFP(-) CD34(-) cells were collected as interfollicular epidermis (IFE) cohort. Total RNA was extracted from each cell population and labeled for hybridization to gene expression microarrays. The experiment was preformed in triplicate, however RNA from the Gli1(+) cells in one replicate was of insufficient quality to analyze. For staining of isolated keratinocytes, cells were incubated on ice for 1 hour in SMEM containing 1%BSA and 15μL of anti-CD49f-PE antibody (BDBioscience) plus 5μL anti-CD34-APC antibody (eBioscience) for each 100μL total volume for each 2 million cells. Immediately prior to sorting, DAPI (Invitrogen) was added to the washed cells at 1μg/mL final concentration.

2011-12-01 | E-GEOD-28108 | biostudies-arrayexpress

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