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Effect of co-culture with macrophages on two colon cancer cell lines.

ABSTRACT: These data suggest that co-culture with macrophages increases expression of NDRG-1 in epithelial cell lines. The finding is confirmed in 1 mouse epithelial cell line, and in tissue derived from mice genetically and dietetically altered to increase macrophage infiltration of the small and large intestinal epithelium. NDRG1 is identified as a potential mediator of macrophage effects on tumorigenesis in the large and small intestine. Array data is part of a larger study involving the effects of Vitamin D, in concert with macrophages, on intestinal homeostasis and tumorigenesis, entitled Cell autonomous and non-autonomous interactions of a western-style diet and the vitamin D receptor in intestinal homeostasis and tumorigenesis Cells from human colon cancer cell lines were cultured either alone, with Vitamin D3, with THP1 macrophages, or with THP1 macrophages and Vitamin D3, in a system which allowed no physical contact but exchange of soluble factors between the cell types.

ORGANISM(S): Homo sapiens

SUBMITTER: Leonard Augenlicht

PROVIDER: E-GEOD-55810 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Effect of co-culture with macrophages on two colon cancer cell lines.

Project description:These data suggest that co-culture with macrophages increases expression of NDRG-1 in epithelial cell lines. The finding is confirmed in 1 mouse epithelial cell line, and in tissue derived from mice genetically and dietetically altered to increase macrophage infiltration of the small and large intestinal epithelium. NDRG1 is identified as a potential mediator of macrophage effects on tumorigenesis in the large and small intestine. Array data is part of a larger study involving the effects of Vitamin D, in concert with macrophages, on intestinal homeostasis and tumorigenesis, entitled Cell autonomous and non-autonomous interactions of a western-style diet and the vitamin D receptor in intestinal homeostasis and tumorigenesis

2014-03-12 | GSE55810 | GEO

Cell autonomous and non-autonomous interactions of a western-style diet and the vitamin D receptor in intestinal homeostasis and tumorigenesis

Project description:These data suggest that co-culture with macrophages increases expression of NDRG-1 in epithelial cell lines. The finding is confirmed in 2 human epithelial cell lines, and in tissue derived from mice genetically and dietetically altered to increase macrophage infiltration of the small and large intestinal epithelium. NDRG1 is identified as a potential mediator of macrophage effects on tumorigenesis in the large and small intestine. Array data is part of a larger study involving the effects of Vitamin D, in concert with macrophages, on intestinal homeostasis and tumorigenesis. Cells from mouse epithelial cell line CT26 were cultured either alone, or with RAW macrophages in a system which allowed no physical contact but exchange of soluble factors between the cell types. The experiment was peformed twice.

2014-03-12 | E-GEOD-55809 | biostudies-arrayexpress

Cell autonomous and non-autonomous interactions of a western-style diet and the vitamin D receptor in intestinal homeostasis and tumorigenesis

2014-03-12 | GSE55809 | GEO

Transcriptional profiling of THP1-derived human macrophages with different stimuli

Project description:Macrophages are key cell types of the innate immune system regulating host defense, inflammation, tissue homeostasis and cancer. Within this functional spectrum diverse and often opposing phenotypes are displayed which are dictated by environmental clues and depend on highly plastic transcriptional programs. Among these the ‘classical’ (M1) and ‘alternative’ (M2) macrophage polarization phenotypes are the best characterized. Understanding macrophage polarization in humans may reveal novel therapeutic intervention possibilities for chronic inflammation, wound healing and cancer. Systematic loss of function screening in human primary macrophages is limited due to lack of robust gene delivery methods and limited sample availability. To overcome these hurdles we developed cell-autonomous assays using the THP-1 cell line allowing genetic screens for human macrophage phenotypes. To confirm the relevance of the THP1-based system we performed microarray studies on THP1 cells and primary human cells subjected to various conditions. THP1 cells were treated with PMA (phorbol 12-myristate 13-acetate) to derive macrophages which were then cultured 1, 3 or 6 days with different stimuli.

2017-08-25 | E-MTAB-5917 | biostudies-arrayexpress

Transcriptional profiling of primary human macrophages with different stimuli

Project description:Primary human macrophages were cultured 1, 3 or 6 days with different stimuli. Macrophages are key cell types of the innate immune system regulating host defense, inflammation, tissue homeostasis and cancer. Within this functional spectrum diverse and often opposing phenotypes are displayed which are dictated by environmental clues and depend on highly plastic transcriptional programs. Among these the ‘classical’ (M1) and ‘alternative’ (M2) macrophage polarization phenotypes are the best characterized. Understanding macrophage polarization in humans may reveal novel therapeutic intervention possibilities for chronic inflammation, wound healing and cancer. Systematic loss of function screening in human primary macrophages is limited due to lack of robust gene delivery methods and limited sample availability. To overcome these hurdles we developed cell-autonomous assays using the THP-1 cell line allowing genetic screens for human macrophage phenotypes. To confirm the relevance of the THP1-based system we performed microarray studies on THP1 cells and primary human cells subjected to various conditions.

2017-08-25 | E-MTAB-5913 | biostudies-arrayexpress

Mus musculus

Project description:Cell autonomous and non-autonomous interactions of a western-style diet and the vitamin D receptor in intestinal homeostasis and tumorigenesis

| PRJNA241039 | ENA

Transcriptomics of vitamin D treatment effects in Mycobacterium tuberculosis-infected THP-1 cells

2014-07-01 | GSE57028 | GEO

Vitamin D Promotes Protein Homeostasis and Longevity via the Stress Response Pathway Genes SKN-1, IRE-1, and XBP-1

Project description:Vitamin D is a secosteroid that has multiple regulatory roles including the regulation of bone and calcium homeostasis. Deficiency of 25-hydroxyvitamin D, the major circulating form of vitamin D, is associated with an increased risk of age-related chronic diseases including Alzheimer’s disease, Parkinson’s disease, cognitive impairment, and cancer. In this study, we utilized Caenorhabditis elegans to examine the mechanism by which vitamin D influences aging. We found that Vitamin D3-induced lifespan extension requires the stress response pathway genes SKN-1, IRE-1, and XBP-1. Vitamin D3 induced expression of SKN-1 target genes, but not canonical targets of IRE-1/XBP-1. Vitamin D3 suppressed an important molecular pathology of aging, that of widespread protein insolubility, and prevented the toxicity caused by human β-amyloid. Our observation that vitamin D3 improves protein homeostasis and slows aging highlights the importance of maintaining appropriate vitamin D serum levels, and may explain why such a wide variety of human age-related diseases are associated with a vitamin D deficiency.

2016-09-07 | GSE86493 | GEO

Changes in glycogene expression during maturation of dendritic cells

Project description:To investigate the expression of glycosyltransferases in dendritic cells and the changes in expression associated with maturation. RNA preparations from 5 different immature and mature dendritic cells subsets, with and without LPS from 2 different donors (20 different samples); (iDC, IL-10 iDC, Dexamethason iDC, Vitamin D3 iDC, im. macrophage), (mDC, IL-10 mDC, Dexamethason mDC, Vitamin D3 mDC, m. macrophage) were sent to both Microarray Core (E) and Core(C). The RNA was purified on an RNeasy Column, amplified, labeled, and hybridized to the Glycov3 microarrays.

2011-06-14 | E-GEOD-29944 | biostudies-arrayexpress

Transcriptomics of vitamin D treatment effects in Mycobacterium tuberculosis-infected THP-1 cells

Project description:Previous reports have shown low vitamin D serum levels and polymorphisms in the vitamin D receptor (VDR) to be associated with increased risk for TB. Given that 1?,25-dihydroxyvitamin D3 has a role in lipid metabolism control, we tested whether the link between 1?,25-dihydroxyvitamin D3 and tuberculosis involves macrophage lipid metabolism. Since formation of lipid droplets (LD) is a hallmark of lipid dysregulation in M. tuberculosis-infected macrophages, we measured LD content as a readout of altered lipid metabolism in infected THP-1 cells. Induction of LD, which peaked by 24 hours post-infection was prevented by addition of 1?,25-dihydroxyvitamin D3 at the time of infection. To investigate the mechanism of 1?,25-dihydroxyvitamin D3 modulation of LD formation, we analyzed the transcriptome of M. tuberculosis-infected THP-1 cells with and without 1?,25-dihydroxyvitamin D3 treatment. THP-1 cells were cultured in 24-well flat bottom plates, pre-treated with 20ng/ml PMA for 24 h, and incubated with M. tuberculosis H37Rv. After 4 hours of infection, cells were washed to remove extracellular bacteria and treated with 100 nM of 1?,25-dihydroxyvitamin D3. THP-1 cells were collected and analyzed at 24h. 3 biological replicates in each of the 4 groups were prepared: Infected, Infected plus 1?,25-dihydroxyvitamin D3, Non-infected, Non-infected plus 1?,25-dihydroxyvitamin D3.

2014-07-01 | E-GEOD-57028 | biostudies-arrayexpress

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