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Identification of post-transcriptional regulatory networks during myeloblast-to-monocyte differentiation transition [mRNA]

ABSTRACT: Treatment of leukemia cells with 1,25-dihydroxyvitamin D3 may overcome their differentiation block and lead to the transition from myeloblasts to monocytes. To identify microRNA-mRNA networks relevant for myeloid differentiation, we profiled the expression of mRNAs and microRNAs associated to the low- and high-density ribosomal fractions in leukemic cells and in their differentiated monocytic counterpart. Intersection between mRNAs shifted across the fractions after treatment with putative target genes of modulated microRNAs showed a series of molecular networks relevant for the monocyte cell fate determination In this dataset, we include the expression data obtained from the profiling of ribosome/polysome-associated miRNAs and mRNAs in proliferating HL60 cells and in cells induced to differentiate by 1,25-dihydroxyvitamin D3 (VitD3) treatment

ORGANISM(S): Homo sapiens

PROVIDER: GSE67826 | GEO | 2015/07/01

SECONDARY ACCESSION(S): PRJNA281006

REPOSITORIES: GEO

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Identification of post-transcriptional regulatory networks during myeloblast-to-monocyte differentiation transition [miRNA]

Project description:Treatment of leukemia cells with 1,25-dihydroxyvitamin D3 may overcome their differentiation block and lead to the transition from myeloblasts to monocytes. To identify microRNA-mRNA networks relevant for myeloid differentiation, we profiled the expression of mRNAs and microRNAs associated to the low- and high-density ribosomal fractions in leukemic cells and in their differentiated monocytic counterpart. Intersection between mRNAs shifted across the fractions after treatment with putative target genes of modulated microRNAs showed a series of molecular networks relevant for the monocyte cell fate determination In this dataset, we include the microRNA expression data obtained from the profiling of ribosome/polysome-associated miRNAs and mRNAs in proliferating HL60 cells and in cells induced to differentiate by 1,25-dihydroxyvitamin D3 (VitD3) treatment 18 total samples, 9 from control proliferating HL60 cells and 9 from VitD3-treated HL60 cells

2015-07-01 | E-GEOD-67837 | biostudies-arrayexpress

Identification of post-transcriptional regulatory networks during myeloblast-to-monocyte differentiation transition [mRNA]

Project description:Treatment of leukemia cells with 1,25-dihydroxyvitamin D3 may overcome their differentiation block and lead to the transition from myeloblasts to monocytes. To identify microRNA-mRNA networks relevant for myeloid differentiation, we profiled the expression of mRNAs and microRNAs associated to the low- and high-density ribosomal fractions in leukemic cells and in their differentiated monocytic counterpart. Intersection between mRNAs shifted across the fractions after treatment with putative target genes of modulated microRNAs showed a series of molecular networks relevant for the monocyte cell fate determination In this dataset, we include the expression data obtained from the profiling of ribosome/polysome-associated miRNAs and mRNAs in proliferating HL60 cells and in cells induced to differentiate by 1,25-dihydroxyvitamin D3 (VitD3) treatment 18 total samples, 9 from control proliferating HL60 cells and 9 from VitD3-treated HL60 cells

2015-07-01 | E-GEOD-67826 | biostudies-arrayexpress

Identification of post-transcriptional regulatory networks during myeloblast-to-monocyte differentiation transition [miRNA]

2015-07-01 | GSE67837 | GEO

Expression profiles from mouse prostate progenitor/stem cells treated with ethanol or 100nM 1,25 dihydroxyvitamin D3

2011-06-22 | GSE18993 | GEO

Comparative gene expression profile of 1,25-dihydroxyvitamin D3-treated human monocyte-derived dendritic cells

2009-02-15 | GSE13762 | GEO

Expression profiles from mouse prostate progenitor/stem cells treated with ethanol or 100nM 1,25 dihydroxyvitamin D3

Project description:A major goal in prostate stem cell biology is to identify genes, pathways, or networks that control self-renewal and multilineage differentiation. We hypothesize that 1,25 dihydroxyvitamin D3 can induce differentiation of prostatic progenitor/stem cells, thus serving as an in vitro model with which to study the molecular mechanisms of stem cell differentiation by 1,25 dihydroxyvitamin D3. 1,25 dihydroxyvitamin D3 elicits its effects primarily through transcriptional regulation of genes, so microarray studies were used to gain insight into the cellular response to 1,25 dihydroxyvitamin D3. We used microarrays to detail the global gene expression changes that occur upon 1,25 dihydroxyvitamin D3 treatment of prostatic progenitor/stem cells. Adult mouse prostate progenitor/stem cells were plated at 1 x 10^5 cells per 10 cm culture dish and grown to 70% confluency before treatment with vehicle (0.1% ethanol) or 100 nM 1,25(OH)2D3 in cell culture media (n = 3 or 4). Cells were treated with control or experimental media for 6 hrs or 48 hrs before RNA isolation. The RNA from 6 hrs and 48 hrs was used to probe Affymetrix 430A oligonucleotide arrays (GPL339).

2011-06-22 | E-GEOD-18993 | biostudies-arrayexpress

Transcription profiling by array of human monocyte-derived dendritic cells treated with 1,25-dihydroxyvitamin D3

Project description:We have carried out global gene expression analysis to clarify the interrelationship between 1,25-dihydroxyvitamin D3 and differentiation-driven gene expression patterns in developing human monocyte-derived dendritic cells. Monocytes were treated with 10 nM 1,25-dihydroxyvitamin D3 or vehicle 14 hours after plating for 12 hours or 5 days. Monocytes, differentiating dendritic cells (+/-1,25-dihydroxyvitamin D3 for 12 hours) and immature dendritic cells (+/-1,25-dihydroxyvitamin D3 for 5 days) were harvested. This design allows one to identify genes regulated by differentiation and/or 1,25-dihydroxyvitamin D3 in human monocyte-derived dendritic cells. Experiment Overall Design: Human monocytes were obtained from buffy coats from healthy donors by Ficoll gradient centrifugation followed by immunomagnetic cell separation with anti-CD14-conjugated microbeads. Monocytes were cultured in RPMI-1640 supplemented with 10% FBS, 800 U/ml GM-CSF and 500 U/ml IL-4. Monocytes were treated with 10 nM 1,25-dihydroxyvitamin D3 or vehicle 14 hours after plating for 12 hours or 5 days. Monocytes, differentiating dendritic cells (+/-1,25-dihydroxyvitamin D3 for 12 hours) and immature dendritic cells (+/-1,25-dihydroxyvitamin D3 for 5 days) were harvested. Experiments were performed in biological triplicates representing samples from different donors. 15 samples were processed and hybridized to Human Genome U133 Plus 2.0 Arrays.

2009-02-21 | E-GEOD-13762 | biostudies-arrayexpress

1,25-dihydroxyvitamin D3-induced genes in mouse mixed neuron-glial cell cultures

Project description:Transcriptomic response of mouse mixed neuron-glial cell cultures to 1,25-dihydroxyvitamin D3 6 samples are analysed with three biological replicates in two conditions, control versus 1,25-dihydroxyvitamin D3 (1,25(OH)2D3)

2013-03-25 | E-GEOD-41184 | biostudies-arrayexpress

Comparison of cellular and transcriptional responses to 1,25-dihydroxyvitamin D3 and glucocorticoids in peripheral blood mononuclear cells

Project description:Glucocorticoids (GC) and 1,25-dihydroxyvitamin D3 (1,25(OH)2 D3) are steroid hormones with anti-inflammatory properties with enhanced effects when combined. We previously showed that transcriptional response to GCs was correlated with inter-individual and inter-ethnic cellular response. Here, we profiled cellular and transcriptional responses to 1,25(OH)2 D3 from the same donors. We studied cellular response to combined treatment with GCs and 1,25(OH)2 D3 in a subset of individuals least responsive to GCs. We found that combination treatment had significantly greater inhibition of proliferation than with either steroid hormone alone. Overlapping differentially expressed (DE) genes between the two hormones were enriched for adaptive and innate immune processes. Non-overlapping differentially expressed genes with 1,25(OH)2 D3 treatment were enriched for pathways involving the electron transport chain, while with GC treatment, non-overlapping genes were enriched for RNA-related processes. These results suggest that 1,25(OH)2 D3 enhances GC anti-inflammatory properties through a number of shared and non-shared transcriptionally-mediated pathways. Total RNA was obtained from aliquots of peripheral blood mononuclear cells treated with 1,25-dihydroxyvitamin D3 (1,25(OH)2 D3) for 8 and 24 hours. These data were analyzed together with previously published data from expression analysis of PBMC aliquots collected in parallel to these and treated with dexamethasone or vehicle (EtOH).

2013-08-21 | E-GEOD-50012 | biostudies-arrayexpress

1,25-dihydroxyvitamin D3 triggers an anti-inflammatory response in brain pericyte

Project description:Background: Epidemiology and experimental studies suggest 1,25-dihydroxyvitamin D3 plays a neuroprotective role in neurodegenerative diseases including Alzheimer's disease. Most of the experimental data on the genes regulated by this hormone in brain cells have been obtained with neuron and glial cells. Emerging evidence demonstrates pericyte plays a critical role in brain function that encompasses its classical function in the control and maintenance of the blood brain barrier. However, the gene response of brain pericyte to 1,25D remains to be investigated. Methods: The transcriptomic response of human brain pericytes to 1,25-dihydroxyvitamin D3 was analyzed. Results were confirmed by RT-qPCR for the genes of interest. Results: We demonstrate that human brain pericyte in culture responds to 1,25-dihydroxyvitamin D3 by regulating genes involved in the control of neuro-inflammation. We also showed that pericytes respond to the pro-inflammatory cytokines TNF-alpha and Interferon gamma by inducing the expression of the gene involved in the synthesis of 1,25-dihydroxyvitamin D3 named CYP27B1. Conclusion: Taken together these results suggest that neuro-inflammation could trigger the synthesis of 1,25-dihydroxyvitamin D3 by brain pericytes, which will in turn respond to the hormone by a global anti-inflammatory response.

2017-01-01 | GSE54765 | GEO

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