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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Lewis lung carcinoma cells and TDAG8 overexpression

ABSTRACT: We observed the effects of TDAG8-overexpression in Lewis lung carcinoma (LLC) cells on the gene expression pattern. TDAG8-overexpressing or vector-transfected control LLC cells (5 × e5 in 200 µL of HBSS) were injected into the lateral tail veins of 6–8-week-old C57BL/6 mice. Lungs were removed on day 19 post-injection, and total RNA was extracted.

ORGANISM(S): Mus musculus

SUBMITTER: Satoshi Ishii

PROVIDER: E-GEOD-18244 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The G protein-coupled receptor T-cell death-associated gene 8 (TDAG8) facilitates tumor development by serving as an extracellular pH sensor.

Ihara Yuichiro Y Kihara Yasuyuki Y Hamano Fumie F Yanagida Keisuke K Morishita Yasuyuki Y Kunita Akiko A Yamori Takao T Fukayama Masashi M Aburatani Hiroyuki H Shimizu Takao T Ishii Satoshi S

Proceedings of the National Academy of Sciences of the United States of America 20100920 40

Tumors often are associated with a low extracellular pH, which induces a variety of cellular events. However, the mechanisms by which tumor cells recognize and react to the acidic environment have not been fully elucidated. T-cell death-associated gene 8 (TDAG8) is an extracellular pH-sensing G protein-coupled receptor that is overexpressed in various tumors and tumor cell lines. In this report, we show that TDAG8 on the surface of tumor cells facilitates tumor development by sensing the acidic ...[more]

PMID: 20855608

Similar Datasets

Microarray analysis of T-cell death-associated gene 8 (TDAG8)-mediated gene expression in mouse Lewis lung carcinoma (LLC) cells.

Project description:We previously identified an extracellular pH-sensing G protein-coupled receptor T cell death associated gene 8 (TDAG8) as an extracellular pH sensor of tumor cells that promotes cell growth/survival in vitro and tumor development in vivo. To determine genes regulated by TDAG8 in vitro, mouse Lewis lung carcinoma (LLC) cells stably expressing TDAG8 (TDAG8-LLC cells) and control vector (control LLC cells) were cultured under acidic conditions. Transcriptome microarray analysis using Affymetrix GeneChip Mouse Genome 430 2.0 Arrays was performed with total RNA prepared from these cells. To determine genes regulated by TDAG8 in vitro, mouse Lewis lung carcinoma (LLC) cells stably expressing TDAG8 (TDAG8-LLC cells) and control vector (control LLC cells) were cultured under acidic conditions. Transcriptome microarray analysis using Affymetrix GeneChip Mouse Genome 430 2.0 Arrays was performed with a mixture of equal amounts of total RNA samples from four independent cell cultures.

2012-11-01 | E-GEOD-31776 | biostudies-arrayexpress

Expression data from the subclones of Lewis Lung Carcinoma (LLC) cells

Project description:Medium conditioned by LLC cells stimulates thermogenic gene expression when added onto primary adipocytes. We generated single cell colonies from parental LLC cells. Media conditioned by the subclones stimulated thermogenic gene expression in primary adipocytes at varying degrees. Subclones 2, 3, 6 and 28 produce significantly larger amount of thermogenic activity than the subclones 18, 19, 23 and 24. We compared gene expression profiles of these subclones to identify secreted factors enriched in the more thermogenic clones. LLC subclones were cultured under conditioned medium preparation conditiones and total RNA was extracted from biological replicates.

2014-07-13 | E-GEOD-57797 | biostudies-arrayexpress

Lewis lung carcinoma cells and TDAG8 overexpression

Project description:We observed the effects of TDAG8-overexpression in Lewis lung carcinoma (LLC) cells on the gene expression pattern.

2010-09-06 | GSE18244 | GEO

Mouse primary megakaryocytes, wild type & NF-E2p45-deficient

Project description:To identify p45 target genes, we conducted gene expression profiling with p45-null megakaryocytes cultured from E14.5 fetal liver. Many genes encoding membrane proteins and enzymes related to platelet function, including Txas, Glycoprotein 6 (Gp6) and Selectin P (Selp), were repressed in the absence of p45. Considering the similar DNA binding specificity of p45 and Nrf2 in vitro, we expected p45 to activate cytoprotective genes that are established Nrf2 targets. However, the expression of numerous detoxifying enzymes and stress-responsive genes, including NAD(P)H:quinone oxidoreductase (Nqo1), were increased in the absence of p45. To obtain wild type and p45-null fetal livers, p45+/- mice were crossed. Whole livers were recovered from mouse fetuses at E14.5 and single cell suspensions were prepared by successive passage through 25-gauge needles. Fetal liver cells were maintained in RPMI1640 (Wako) supplemented with 20% charcoal-stripped fetal bovine serum, 50 units/ml penicillin, 50 Âµg/ml streptomycin, and 50 ng/ml of recombinant human thrombopoietin. CD41+ cells were selected from a 4 day primary culture of E14.5 fetal liver cells using a MACS magnetic system (Miltenyi Biotec). The fetal liver culture with TPO described above was incubated with FITC-conjugated anti-CD41 antibody (BD Pharmingen, clone MWReg30) followed by incubation with anti-FITC microbeads. Subsequently, the microbeads were selected magnetically through MACS large cell columns (Miltenyi Biotec). Total RNA was extracted from the CD41+ cells using Isogen (Nippon Gene).

2010-03-22 | E-GEOD-15581 | biostudies-arrayexpress

Expression data from the subclones of Lewis Lung Carcinoma (LLC) cells

2014-07-13 | GSE57797 | GEO

Microarray analysis of T-cell death-associated gene 8 (TDAG8)-mediated gene expression in mouse Lewis lung carcinoma (LLC) cells.

2012-11-01 | GSE31776 | GEO

RNA Sequencing analysis on Tumor associated macrophages (TAMs) Isolated form Lewis Lung Carcinoma (LLC) tumors

Project description:The goal of this study is to compare transcriptome profiling of miR-21 null TAMs vs. WT macrophages isolated from LLC tumors

2019-11-11 | GSE117697 | GEO

Transcriptomic computational analysis of mastic oil-treated Lewis lung carcinomas

Project description:Mastic oil from Pistacia lentiscus variation chia, a blend of bioactive terpenes with recognized medicinal properties, has been recently shown to exert anti-tumor activity. Lewis lung carcinoma (LLC) cells are mastic oil-susceptible cells and were used in this work to study the effects of mastic oil at the transcriptomic level.

2009-06-01 | GSE15287 | GEO

Early and Late gene expression responses to Salmonella infection in the mouse intestine

Project description:We used microarrays to detail the global programme of gene expression of the mouse colon responses to Salmonella (SL1344 and SB1117) infection at the early phase (8 hours) and the late phase (4 days). We specifically examined the the differentillay gene expression profiles in mouse colon when it responded to pathogenic Salmonella stain SL1344 (with AvrA expression) or SB1117 (without AvrA expression). Mice were infected with 1x107 CFU of samonella stains, SL1344 and SB1117 respectively (100µl suspension in HBSS) or treated with sterile HBSS (control) by oral gavage as previously described. At 8 hours and 4 days after infection, mice were sacrificed and RNA tissue samples from the intestinal tracts were removed for analysis.

2011-02-16 | E-GEOD-22215 | biostudies-arrayexpress

DNA methylation profiling of embryonic stem cell differentiation into the three germ layers [Expression analysis]

Project description:Embryogenesis is tightly regulated by multiple levels of epigenetic systems such as DNA methylation, histone modification, and chromatin remodeling. DNA methylation patterns are erased in primordial germ cells and in the interval immediately following fertilization. Subsequent reprogramming occurs by de novo methylation and demethylation. Variance of DNA methylation patterns between different cell types is not well understood. Here, using methylated DNA immunoprecipitation and tiling array technology, we have comprehensively analysed DNA methylation patterns at proximal promoter regions in mouse embryonic stem (ES) cells, ES cell-derived early germ layers (ectoderm, endoderm and mesoderm) and four adult tissues (brain, liver, skeletal muscle and sperm). Most of the methylated regions in the three germ layers and in the three adult somatic tissues are shared in common. This commonly methylated gene set is enriched in germ cell associated genes that are generally transcriptionally inactive in somatic cells. We also compared DNA methylation patterns with global mapping of histone H3 lysine 4/27 trimethylation, and found that gain of DNA methylation correlates with loss of histone H3 lysine 4 trimethylation. Taken together, our findings indicate that differentiation from ES cells to the three germ layers is accompanied by an increase in the number of commonly methylated DNA regions and that these tissue-specific alterations are present for only a small number of genes. Our findings indicate that DNA methylation at the proximal promoter regions of commonly methylated genes act as an irreversible mark which fixes somatic lineage by repressing transcription of germ cell specific genes. Expression profiling of SK7 ES cells, SK7 derived-Ectoderm, - Endoderm, and -Paraxial mesoderm, and brain, liver, skeletal muscle tissues from ICR mouse.

2012-02-15 | E-GEOD-32081 | biostudies-arrayexpress

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