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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

ORGANISM(S): Homo sapiens

PROVIDER: GSE55810 | GEO | 2014/03/12

SECONDARY ACCESSION(S): PRJNA241038

REPOSITORIES: GEO

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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 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.

2014-03-12 | E-GEOD-55810 | biostudies-arrayexpress

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

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

Macrophage-restricted Interleukin-10 receptor-, but not IL-10 deficiency causes severe spontaneous colitis

Project description:Interleukin-10 (IL-10) is a pleiotropic anti-inflammatory cytokine produced and sensed by most hematopoietic cells. Genome wide association studies and experimental animal models point at a central role of the IL-10 axis in Inflammatory Bowel Diseases. Here we investigated the importance of intestinal macrophage production of IL-10 and their IL-10 exposure, as well as the existence of an IL-10-based autocrine regulatory loop in the gut. Specifically, we generated mice harboring IL-10 or IL-10 receptor (IL-10R?) mutations in intestinal lamina propria-resident chemokine receptor CX3CR1hi-expressingmacrophages. We found macrophage-derived IL-10 dispensable for gut homeostasis and maintenance of colonic T regulatory cells. In contrast, loss of IL-10 receptor expression impaired the critical conditioning of these monocyte-derived macrophages, but resulted in spontaneous development of severe colitis. Collectively, our results highlight IL-10 as a critical homeostatic macrophage-conditioning factor in the colon and define intestinal CX3CR1hi macrophages as a decisive factor that determines gut health or inflammation. Microarray of resident macrophages sorted from colons of Interleukin-10 deficeint mice and macrophage-restricted interleukin-10 receptor deficient mice versus colonic resident macrophages of wild type mice

2014-05-09 | E-GEOD-56444 | 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

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

C/EBPβ deletion in macrophages impairs alveolar budding by altering the Wnt landscape during mammary gland development

Project description:Macrophages have important roles in mammary gland development and tissue homeostasis, but the specific mechanisms that regulate macrophage function need further elucidation. We have identified C/EBPβ as an important macrophage factor that is present in multiple populations of the normal mammary gland. Mammary glands from mice with C/EBPβ-deficient macrophages showed a significant decrease in alveolar budding during the estrus cycle. Deletion of C/EBPβ from macrophages resulted in changes in cytokine production, and an inability of both epithelial cells and macrophages to respond progesterone. RNA sequencing showed significant changes in PR-responsive genes and alterations in the Wnt landscape of epithelial cells in mammary glands that lacked C/EBPbeta in macrophages, which have been shown to mediate stem cell expansion during diestrus. These studies suggest that C/EBPbeta is a critical macrophage factor that facilitates macrophage-epithelial crosstalk during a key stage of mammary gland tissue homeostasis, and have critical implications for how disruption of tissue homeostasis can lead to tumorigenesis.

2024-07-16 | GSE225295 | GEO

Autonomous and non-autonomous functions of IL10RA in intestinal macrophages

Project description:Autonomous and non-autonomous functions of IL10RA in intestinal macrophages

| PRJNA872263 | ENA

The commensal-derived metabolite butyrate imprints an antimicrobial program in macrophages

Project description:The balance between tolerogenic and inflammatory responses determines immune homeostasis in the gut. Dysbiosis and a defective host defense against invading intestinal bacteria can shift this balance via bacterial-derived metabolites and trigger chronic inflammation. We show that the short chain fatty acid butyrate modulates monocyte to macrophage differentiation by promoting antimicrobial effector functions. The presence of butyrate modulates antimicrobial activity via a shift in macrophage metabolism and reduction in mTOR activity. This mechanism is furthermore dependent on the inhibitory function of butyrate on histone deacetylase 3 (HDAC3) driving transcription of a set of antimicrobial peptides including calprotectin. The increased antimicrobial activity against several bacterial species is not associated with increased production of conventional cytokines. Butyrate imprints antimicrobial activity of intestinal macrophages in vivo. Our data suggest that commensal bacteria derived butyrate stabilize gut homeostasis by promoting antimicrobial host defense pathways in monocytes that differentiate into intestinal macrophages.

2019-01-30 | GSE111049 | GEO

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