Expression data from 48 h incubation of RAW264.7 cells with 50 ng/ml RANK Ligand
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE74847 | GEO | 2015/11/11
SECONDARY ACCESSION(S): PRJNA301670
REPOSITORIES: GEO
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Project description:A variety of genes are responsible for regulating osteoclastogenesis in response to RANK Ligand. Microarray analysis was used to identify genes sensitive to RANKL-induced osteoclastogenesis in RAW264.7 cells. RAW264.7 cells were incubated with 50 ng/mL RANKL or vehicle control (3 replicates each). After 48 h, total RNA were harvested by an RNeasy Plus Mini Kit (QIAGEN).
2015-11-11 | E-GEOD-74847 | biostudies-arrayexpress
Project description:Osteoclast differentiation is a dynamic differentiation process, which is accompanied by dramatic changes in metabolic status as well as in gene expression. Recent findings have revealed an essential connection between metabolic reprogramming and dynamic gene expression changes during osteoclast differentiation. However, the upstream regulatory mechanisms that drive these metabolic changes in osteoclastogenesis remain to be elucidated. We demonstrate that induced deletion of a tumor suppressor gene, Folliculin (Flcn), in mouse osteoclast precursors causes severe osteoporosis in 3 weeks through excess osteoclastogenesis. Flcn deficient osteoclast precursors (Raw264.7 cells) reveal cell autonomous accelerated osteoclastogenesis. For the purpose of elucidating the molecular mechanism of accelerated osteoclastogenesis in Flcn deficient Raw264.7 cells, we performed DNA microarray analysis.
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Project description:Analysis of gene expression in RAW264.7 cells stimulated for osteoclastogenesis and then treated with cell culture supernatant from Lactobacillus reuteri. Results will offer insight into targeted mechanisms suppressing osteoclastogenesis
2019-08-13 | GSE135755 | GEO
Project description:Transcriptional profiling of differential miRNA expression in mouse RAW264.7 preosteoclast cells comparing control untreated cells with RAW264.7 cells treated for 6 days. Treatment conditiones tested included 50ng/mL RANKL or indicated bone metastasis tumor cell conditioned media from 4T1, 4T1.2, TSU-PR1, and TSU-PR1-B2 cell lines. Two-condition experiment, Control cells vs. treated cells.
2013-10-14 | E-GEOD-44936 | biostudies-arrayexpress
Project description:Transcriptional profiling of differential miRNA expression in mouse RAW264.7 preosteoclast cells comparing control untreated cells with RAW264.7 cells treated for 6 days. Treatment conditiones tested included 50ng/mL RANKL or indicated bone metastasis tumor cell conditioned media from 4T1, 4T1.2, TSU-PR1, and TSU-PR1-B2 cell lines.
2013-10-14 | GSE44936 | GEO
Project description:By carrying out a systematic structure/function study of the RANK cytoplasmic domain, we previously identified a specific 4-a.a. RANK motif (IVVY535-538) which plays a critical role in osteoclastogenesis by mediating commitment of macrophages to the osteoclast lineage. We have recently validated the role of this IVVY motif in osteoclastogenesis in vivo by generating knockin (KI) mice bearing inactivating mutations in the RANK IVVY motif. This microarray experiment was performed to determine whether the IVVY motif is involved in regulating gene expression in osteoclastogenesis. We used microarrays to detail the global programme of gene expression underlying cellularisation and identified distinct classes of up-regulated genes during this process. Bone marrow macrophages isolated from wild-type (WT) or knockin (KI) mice were plated in 60-mm tissue culture dishes and treated with M-CSF (44ng/ml) and RANKL (100ng/ml) for 24 hours. Each genotype has three triplicates. Total RNA was isolated for microarray analysis using mouse chips (type 430.2.0) at the Microarray Shared Facility at the University of Alabama at Birmingham.
2011-07-05 | E-GEOD-30160 | biostudies-arrayexpress
Project description:Supplemental data for the article: Proteomic Study of Different Culture Medium Serum Volume Fractions on RANKL-dependent Differentiating into Osteoclasts of RAW264.7 Cells
2015-06-02 | PXD001935 | Pride
Project description:Purpose: Among the diverse cytokines involved in osteoclast differentiation, IL-3 has been shown to inhibit RANKL-induced osteoclastogenesis. However, the mechanism underlying IL-3-mediated inhibition of osteoclast differentiation is not fully understood. In the present study, we demonstrate that IL-3 activation of STAT5 inhibits RANKL-induced osteoclastogenesis through the induction of Id genes. Methods: To investigate the effect of STAT5 on osteoclast differentiation and IL-3-mediated inhibition of osteoclast differentiation, bone marrow derived macrophages isolated from STAT5 wild-type (Stat5fl/fl) or STAT5 cKO (STAT5;MX1-Cre) were differentiated to osteoclast in the presence of M-CSF and RANKL with or without IL-3; and bone marrow derived macrophges from STAT5 wild-type and STAT5 cKO were overexpressed with PMX-FIG (control) or STAT5A1*6 (constitutively active form of STAT5A) and differentiated to osteoclast. To analyze bone phenotype, femurs and tibiae of 16 week-old STAT5 wild-type and STAT5 cKO were subjected to micro CT analysis and histomorphometry, respectively. Results: Overexpression of STAT5 inhibited RANKL-induced osteoclastogenesis. However, RANKL did not regulate either expression or activation of STAT5 during osteoclast differentiation. STAT5 deficiency prevented IL-3-mediated inhibition of osteoclastogenesis, suggesting that STAT5 plays an important role in IL-3-mediated inhibition of osteoclast differentiation. In addition, IL-3-induced STAT5 activation upregulated expression of the Id1 and Id2 genes, which are negative regulators of osteoclastogenesis. Overexpression of ID1 or ID2 in STAT5-deficient cells reversed osteoclast development recovered from IL-3-mediated inhibition. Moreover, micro-computed tomography and histomorphometric analysis revealed that STAT5 conditional knockout mice showed reduced bone mass, with an increased number of osteoclasts. Furthermore, IL-3 inhibited RANKL-induced osteoclast differentiation less effectively in STAT5 conditional knockout mice than in wild-type mice in a RANKL injection model. Conclusion: Taken together, our results suggest that STAT5 is a key transcription factor for IL-3-mediated inhibition of RANKL-induced osteoclastogenesis through Id gene expression. Examination of 4 different combination of osteoclast differentiation condition of bone marrow derived macrophages.
2016-08-03 | E-GEOD-76988 | biostudies-arrayexpress
Project description:Clarification of the mechanisms underlying osteoclast differentiation enable us to understand the physiology of bone metabolism as well as the pathophysiology of bone diseases, such as osteoporosis. Recently, it has been reported that epigenetics can determine the cell fate and regulate cell type specific gene expression. However, little is known about epigenetics during osteoclastogenesis. To reveal a part of epigenetics, especially focused on chromatin dynamics, during early osteoclastogenesis and identify novel transcription factors involved in osteoclastogenesis, we investigated genome-wide analysis of open chromatin during receptor activator of nuclear factor-M-NM-:B ligand (RANKL)-induced osteoclastogenesis using DNase I hypersensitive sites sequencing (DNase-seq). DNase-seq was performed using the extracted nuclei obtained from RAW264 cells treated with or without RANKL for 24 hours, followed by several bioinformatic analyses. DNase I hypersensitive sites (DHSs) during RANKL-induced osteoclastogenesis were dynamically changed and accumulated in promoter regions, although the distributions of DHSs among cis-regulatory DNA regions were identical regardless of RANKL stimulation. Motif discoveries from DHSs successfully identified well-known osteoclastogenic transcription factors such as Jun, CREB1, FOS, ATF2 and ATF4, but also novel transcription factors for osteoclastogenesis such as Zscan10, Atf1 Nrf1 and Srebf2. siRNA knockdown of these identified novel transcription factors impaired osteoclastogenesis. Taken together, DNase-seq can be a useful tool for comprehension of epigenetics, especially chromatin dynamics during osteoclastogenesis and for identification of novel transcription factors involved in osteoclastogenesis. This study may reveal underlying mechanisms that determine cell-type specific differentiation of bone cells and may lead to investigate novel therapeutic targets for osteoporosis. Examination of genome-wide DNase Hypersensitive Sites in differentiated and undifferentiated RAW264 cells.
2014-11-05 | E-GEOD-54139 | biostudies-arrayexpress
Project description:To screen for altered gene expression during osteoclastogenesis, BMM cells treated with RANKL or RANKL+LEA were subjected to gene expression profiling.
2020-02-24 | GSE142866 | GEO