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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Effects of thyroxine on the Craniosynostotic Phenotype

ABSTRACT: Thyroid hormone is know to effect growth and development. However little is know about the hormone thyroxine's effect on craniofacial growth and suture development. We used microarray as one tool to determine gene expression profile of wild type and craniosynostotic (Twist 1 +/-) suture cells after thyroxine exposure. We isolated whole RNA from Wild type C57BL6 and Twist 1 +/- suture derived calvarial cells and treated with proliferation media and with thyroxine 10^-6 mol/liter for 3 or 7 days in culture. We then used an Affymetrix array and compared expression profiles between control and experimental treatments.

ORGANISM(S): Mus musculus

SUBMITTER: James Cray

PROVIDER: E-GEOD-66149 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Effects of thyroxine on the Craniosynostotic Phenotype

Project description:Thyroid hormone is know to effect growth and development. However little is know about the hormone thyroxine's effect on craniofacial growth and suture development. We used microarray as one tool to determine gene expression profile of wild type and craniosynostotic (Twist 1 +/-) suture cells after thyroxine exposure.

2015-02-21 | GSE66149 | GEO

Effects of Thyroxine Exposure on Osteogenesis in Mouse Calvarial Pre-Osteoblasts

Project description:Thyroid hormone has a positive effect on endochondral bone growth. Few studies have looked at the interaction between thyroid hormone exposures and intramembranous bone derived cells. We used microarray as one tool to determine the gene expression profile of intramembranous (calvarial) derived murine pre-osteoblsts after thyroxine exposure. We isolated whole RNA from MC3T3-E1 cells treated with proliferation media or proliferation media with thyroxine at a dose of 10^-6 mol./liter for 3 or 7 days in culture. We then used an Affymetrix array and compared expression profiles between control and experimental treatments.

2013-05-31 | E-GEOD-47517 | biostudies-arrayexpress

Transcription profiling of livers from Low Density Lipoprotein Receptor null mice expressing human LXR alpha to explore the molecular basis of metabolic effects of increased hepatic hLXR alpha.

Project description:Microarray analysis of liver RNA from male Low Density Lipoprotein Receptor null mice on C57B6 background expressing human LXR alpha or GFP (control) via adeno-associated virus (AAV2.8) gene transfer, under control of the liver specific human thyroxine binding globulin promoter. Samples are from 8 month old mice, with AAV treatment at age of 10 weeks, on Western diet for 12 weeks prior experiment. The synthetic LXR ligand T0901317 (5mg/kg) or vehicle was administered for 3 days by i.p. injection to designated mice.

2007-08-31 | E-GEOD-2644 | biostudies-arrayexpress

Effects of Thyroxine Exposure on Osteogenesis in Mouse Calvarial Pre-Osteoblasts

2013-05-31 | GSE47517 | GEO

Transcriptional analysis of human cranial compartments with different embryonic origins

Project description:Previous investigations suggest that the different embryonic origins of the calvarial tissues (neural crest or mesoderm) may account for the different molecular mechanisms underlying sutural development. The aim of this study was to evaluate the differences in the gene expression of human cranial tissues and assess the presence of an expression signature reflecting their embryonic origins. Using microarray technology, we investigated global gene expression of cells from the frontal and parietal bones and the metopic and sagittal intrasutural mesenchyme (ISM) of four human fetal calvaria. Tissues samples were obtained from fetal crania of 4 normal human fetuses (two females ages 94 and 103 days and two males ages 97 and 98 days). All dural and extracranial soft tissues were removed from the parietal and frontal bones. 2-3 mm tissue compartments were excised from frontal and parietal bones and metopic and sagittal ISM. To avoid contamination with osteoblasts, ISM tissue was dissected from the central portion of each suture. Similarly, bone was harvested at least 3mm from the margin of the suture to avoid contamination with ISM. Media was changed every 3-4 days. After reaching 75-80% confluence, the cells were trypsinized with TrypLEExpress (Life Technologies, Denmark) and passaged. During the fourth and final passage, 180,000 cells were plated in triplicate in 6-well plates and cultured for 5 days followed by RNA extraction.

2015-08-03 | E-GEOD-62816 | biostudies-arrayexpress

Expression data from mouse calvarial suture mesenchymal cells

Project description:Axin2-expressing calvarial suture stem cells can contribute to calvarial development, homeostatic maintenance, repair, and regeneration. We used microarray to examine the gene expression profiles of Axin2-expressing suture stem cells and Axin2-negative cells in suture mesenchyme. Three of Axin2+/GFP+ and three of Axin2-/GFP- cell samples were collected from mice carrying Axin2rtTA and TREH2BGFP transgenes. Each samples were isolated from 6-8 Axin2rtTA; TRE-H2BGFP mice and sorted by the GFP intensity.

2015-11-11 | E-GEOD-74849 | biostudies-arrayexpress

BRB-seq analysis of PFOS-induced thyroid hormone system disrupted rats reveal organ-specific effects

Project description:Perfluorooctanesulfonic acid (PFOS) is a persistent anthropogenic chemical that can affect the thyroid hormone system in humans. In experimental animals, PFOS exposure decreases thyroxine (T4) and triiodothyronine (T3) levels, without a compensatory upregulation of thyroid stimulating hormone (TSH). In adults, THs are regulated by the hypothalamus-pituitary-thyroid (HPT) axis, but also organs such as the liver and potentially the gut microbiota. PFOS and other xenobiotics can therefore potentially disrupt the TH system through various entry points of disruption. To start addressing this issue, we performed a PFOS exposure study to identify effects in multiple organs and pathways simultaneously.

2022-05-04 | GSE196133 | GEO

Twist expression in HMLE and breast cancer T47D cells

Project description:Twist is a key EMT inducer, expression of Twist will induce EMT in HMLE and breast tumor T47D cells By expressing Twist in HMLE and T47D cells, which lack the expression of Twist, will identify the genes regulated by Twist Expressing Twist in HMLE and T47D cells, stable clones were selected and treated with BET inhibitor JQ1 and RNA were prepared for microarray analysis

2013-12-12 | E-GEOD-53222 | biostudies-arrayexpress

Next Generation Sequencing Facilitates Quantitative Analysis of wild type, Twist1+/- and Twist1+/- with suture regeneration surgery mice

Project description:Purpose: Next-generation sequencing (NGS) has revolutionized systems-based analysis of cellular pathways. The goals of this study are to compare NGS-derived suture transcriptome profiling (RNA-seq) among wild type, Twist1+/- and Twist1+/- with suture regeneration surgery mice Methods: Suture mRNA profiles from one week after induction of seven-month-old wild type, Twist1+/- and Twist1+/- with suture regeneration surgery mice were generated by deep sequencing, in triplicate, using Illumina NextSeq500. Results: Using an optimized data analysis workflow, we mapped about 70 million sequence reads per sample to the mouse genome ( mm10) and identified 43,644 transcripts in the suture of wild type, Twist1+/- and Twist1+/- with suture regeneration surgery mice with Partek E/M workflow.

2020-08-04 | GSE155562 | GEO

Expression data from mouse calvarial suture mesenchymal cells

2015-11-11 | GSE74849 | GEO

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