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Identification of genes responsive to low-intensity pulsed ultrasound (LIPUS) in MC3T3-E1 preosteoblast cells

ABSTRACT: Although LIPUS has been shown to enhance fracture healing, the underlying mechanism of LIPUS remains to be fully elucidated. Here, to understand the molecular mechanism underlying cellular responses to LIPUS, we investigated gene expression profiles in mouse MC3T3-E1 preosteoblast cells using a GeneChip® system.

ORGANISM(S): Mus musculus

PROVIDER: GSE45487 | GEO | 2013/03/26

SECONDARY ACCESSION(S): PRJNA194151

REPOSITORIES: GEO

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Identification of genes responsive to low-intensity pulsed ultrasound (LIPUS) in MC3T3-E1 preosteoblast cells

Project description:Although LIPUS has been shown to enhance fracture healing, the underlying mechanism of LIPUS remains to be fully elucidated. Here, to understand the molecular mechanism underlying cellular responses to LIPUS, we investigated gene expression profiles in mouse MC3T3-E1 preosteoblast cells using a GeneChipM-BM-. system. The mouse preosteoblast MC3T3-E1 cells were treated with LIPUS (30 mW/cm2) for 20 min, followed by culturing for 24 h at 37M-KM-^ZC. Mock-treated cells served as the control. Total RNA samples were prepared from the cells, and the quality of the RNA was analyzed using a Bioanalyzer 2100. Gene expression was monitored by an Affymetrix GeneChipM-BM-. system with a Mouse Genome 430 2.0 array. Sample preparation for array hybridization was carried out as described in the manufacturer's instructions.

2013-03-26 | E-GEOD-45487 | biostudies-arrayexpress

Osteocytes as main responders to Low Intensity Pulsed Ultrasound for the treatment of fracture healing

Project description:Skeletal tissue is known to respond to mechanical stress. Ultrasound stimulation is one of mechanical stress and low intensity pulsed ultrasound (LIPUS) devices have been clinically utilized to promote the fracture healing. However, it is still not clear which skeletal cells, especially osteocytes or osteoblasts, mainly respond to LIPUS stimulation and how they contribute to fracture healing. To examine that, we utilized medaka known to have bones without embedded osteocytes and zebrafish known to have bones with embedded osteocytes as an in vivo model. Interestingly, fracture healing was accelerated by ultrasound stimulation in zebrafish but not in medaka. To examine the molecular events induced by LIPUS stimulation in osteocyte, we performed RNA-sequencing with the murine long bone osteocyte Y4 (MLO-Y4) cell line exposed to LIPUS. 179 genes reacted to LIPUS stimulation and functional cluster analysis defined that several molecular signatures related in immunity, secretion and transcription. Especially, most of isolated transcription related genes were modulated by LIPUS also in vivo experiments using zebrafish. Target genes analysis showed that inflammatory response and bone formation in fracture healing could be transcriptionally regulated in osteocytes by LIPUS stimulation. Among these transcription genes, early growth response (Egr) 1,2, JunB, Forkhead box Q1 (FoxQ1) and nuclear factor of activated T cells (NFAT) c1 were not altered by LIPUS in medaka unlike zebrafish suggesting that these genes would be key transcriptional regulator of LIPUS-dependent fracture healing through osteocytes. In this study, we revealed bone-equipped osteocytes is necessary for LIPUS-induced promotion of fracture healing through the transcriptional control of target genes presumably to activate neighboring cells involved in fracture healing event.

2021-05-03 | GSE162674 | GEO

Identification of early response genes to low-intensity pulsed ultrasound in bone marrow stromal cells

Project description:Low-intensity pulsed ultrasound (LIPUS) has been applied as a therapeutic adjunct to promote fracture healing. However, the detailed molecular mechanisms by which LIPUS promotes bone fracture healing have not yet been fully elucidated. In the present study, the early response genes elicited by low-intensity pulsed ultrasound (LIPUS) in bone marrow stromal cells (BMSCs) were investigated using GeneChip® oligonucleotide microarrays.

2019-08-19 | GSE135935 | GEO

Expression Data from MC3T3-E1 cells subjected to laminar fluid flow (LFF)

Project description:Osteoblasts are responsive to shear stress. We investigated the effect of of laminar fluid flow (LFF) on osteoblast-like MC3T3-E1 cells at two timepoints. We used microarray analysis to detail the global gene expression of MC3T3-E1 cells in response to 1 hour of laminar fluid flow directly and 4 hours after treatment.

2021-02-15 | GSE138160 | GEO

Comparison of gene expression profiles between MC3T3-E1 without osteoblastic induction and with 14 days of ostoblastic induction

Project description:Microarray study revealed 1324 genes that were up-regulated and 1550 genes that were down-regulated more than 1.5 fold change (corrected p<0.05) in MC3T3-E1-derived-mature Osteoblasts compared to control MC3T3-E1.

2019-04-21 | GSE46400 | GEO

Genes responsive to low-intensity pulsed ultrasound in MC3T3-E1 preosteoblast cells.

Project description: Not available

| S-EPMC3856087 | biostudies-literature

mice mRNA array for MACF1-knockdown MC3T3-E1 cell line

Project description:MC3T3-E1 cells with stable knockdown of MACF1 by shRNA. Cells were normally cultured and RNA extracted for mRNA microarray.

2022-02-02 | E-MTAB-11425 | biostudies-arrayexpress

mice lncRNA array for MACF1-knockdown MC3T3-E1 cell line

Project description:MC3T3-E1 cells with stable knockdown of MACF1 by shRNA. Cells were normally cultured and RNA extracted for lncRNA microarray.

2022-02-11 | E-MTAB-11426 | biostudies-arrayexpress

Tumor-derived Jagged1- and Notch-dependent transcription changes in MC3T3-E1 osteoblasts

Project description:Transcriptional profiling of MC3T3-E1 osteoblasts that were flow cytometry-separated from cocultures with control or Jagged1-overexpressing tumor cells and treated with either DMSO control or 1μM MRK-003 (gamma-secretase inhibitor). One cell line (MC3T3-E1) cells: four different experimental conditions: cultured with (1) control tumor cells + DMSO; (2) Jagged1-overexpressing tumor cells + DMSO; (3) control tumor cells + MRK-003; (4) Jagged1-overexpressing tumor cells + MRK-003. Each experiment has two biological replicates. Total, 8 samples.

2010-08-15 | E-GEOD-20517 | biostudies-arrayexpress

Gene expression in response to low-intensity pulsed ultrasound treatment of bone marrow cells under osteogenic conditions in vitro

Project description:We performed a comprehensive analysis of gene expression changes following low-intensity pulsed ultrasound (LIPUS) treatment of cultured bone marrow cells under bone formation conditions, using cDNA microarray analysis Bone marrow cells were obtained from the femora of rats and were suspended in an osteogenic medium to make a cell culture. After cultures were established, test cultures were exposed to LIPUS via the base of the cell culture plates for 15 min/day on days 3–9 (LIPUS group). Control cultures (without LIPUS exposure) were otherwise treated identically to the LIPUS group. On day 10, total RNA was extracted from both sets of cultures and hybridized to microarray slides, the data sets were analysed. Markers for differentiated osteoblasts and osteocytes, as well as collagen-related genes, cell adhesion factors were up-regulated in LIPUS group on day 10. Gene expression in response to LIPUS treatment of bone marrow cells were measured on day 10 after cultures were established. Experiments were performed at each conditions (LIPUS or Control).

2015-07-10 | E-GEOD-70662 | biostudies-arrayexpress

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