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accession-icon GSE135935
Identification of early response genes to low-intensity pulsed ultrasound in bone marrow stromal cells
  • organism-icon Mus musculus
  • sample-icon 4 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

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.

Publication Title

Genetic response to low‑intensity ultrasound on mouse ST2 bone marrow stromal cells.

Sample Metadata Fields

Specimen part

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accession-icon GSE6638
Expression data of germinating ahg1, ahg3 and WT seedling in the presence of ABA
  • organism-icon Arabidopsis thaliana
  • sample-icon 8 Downloadable Samples
  • Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

Description

The effect of ahg1 and ahg3 on the gene expression profiles is similar but some genes are differentially affected.

Publication Title

ABA-Hypersensitive Germination1 encodes a protein phosphatase 2C, an essential component of abscisic acid signaling in Arabidopsis seed.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE6788
Expression data of an albino mutant DS 13-2198-1
  • organism-icon Arabidopsis thaliana
  • sample-icon 4 Downloadable Samples
  • Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

Description

The effect Ds insertion mutation in Ds13-2198-1 line on the gene expression profiles was investigated. The genes for photosynthesis and some transcriptional factors were upregulated while genes for metabolism were downregulated.

Publication Title

Top-down phenomics of Arabidopsis thaliana: metabolic profiling by one- and two-dimensional nuclear magnetic resonance spectroscopy and transcriptome analysis of albino mutants.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE16913
Expression data of ahg2-1, ahg2-1abi1-1, ahg2-1sid2-2, and WT Arabidopsis plants grown under normal growth conditions.
  • organism-icon Arabidopsis thaliana
  • sample-icon 8 Downloadable Samples
  • Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

Description

Arabidopsis ABA hpersensitive germination2-1 mutant shows an enhanced sensitivity to ABA. This mutant has higher levels of endogenous ABA. This mutant also exhibited SA hypersensitivity and dwarf phenotype. Regarding SA hypersensitivity, ahg2-1 exhibits higher endogenous SA level and an enhanced resistance to pathogenic bacteria. Since AHG2 encodes the Arabidopsis polyA specific ribonuclease that is involved in mRNA degradation, presumably abnormal accumulation of some mRNAs confers the unique phenotype. Transcriptome analyses are expected to offer information on the target of AHG2. In order to eliminate secondary effects of higher levels of ABA and SA, ahg2-1abi1-1 and ahg2-1sid2-2 double mutants were also examined. The transcriptome data revealed that; ahg2-1 confers unique gene expression profiles, ABA and SA affect the expression profiles of this mutant but many genes are independent of those plant hormone responses. Comparing with expression profiles of other mutants indicated that the ahg2-1 might affect mitochondrial function.

Publication Title

ABA hypersensitive germination2-1 causes the activation of both abscisic acid and salicylic acid responses in Arabidopsis.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE20165
Expression data from white and brown adipose tissue (WAT and BAT) of per2-/- and control mice
  • organism-icon Mus musculus
  • sample-icon 12 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

We found that the circadian protein PER2 interacts with the nuclear receptor PPARgamma to repress its activity. PPARgamma is a master regulator of adipogenesis and lipid metabolism and is very abundant in adipose tissue. We used microarrays to detail the global program of gene expression in adipose tissue lacking the per2 gene. This analysis identified several PPARgamma target genes up-regulated in adipose tissue from per2-/- mice.

Publication Title

PER2 controls lipid metabolism by direct regulation of PPARγ.

Sample Metadata Fields

Sex, Age, Specimen part

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accession-icon GSE73841
The purine metabolite allantoin can activate the jasmonate signaling pathway in a MYC2-regulated and ABA-dependent manner
  • organism-icon Arabidopsis thaliana
  • sample-icon 4 Downloadable Samples
  • Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

Description

Allantoin is a metabolic intermediate of purine catabolism that often accumulates in stressed plants. Recently, using Arabidopsis knockout mutants (aln) of ALLANTOINASE, we showed that this purine metabolite activates ABA production, thereby stimulating stress-related gene expression and enhancing seedling tolerance to abiotic stress. A detailed re-examination of the microarray data of an aln mutant (aln-1) not only confirmed increased expression of ABA-inducible genes, but also revealed altered expression of genes involved in jasmonic acid (JA) responses, likely under the control of MYC2, a master switch in the JA signaling pathway. Consistent with the transcriptome profiles, the aln-1 mutant displayed increased JA levels and enhanced responses to mechanical wounding and exogenous JA. Moreover, aln mutants demonstrated modestly increased susceptibility to hemibiotrophic and necrotrophic pathogens, probably reflecting the antagonistic action of MYC2 on the defense against these bacteria. Exogenously administered allantoin elicited the expression of JA-responsive genes including MYC2 in wild-type plants, supporting that allantoin might be responsible for the observed JA-related aln phenotypes. However, the effect of exogenous allantoin was suppressed by mutations deficient in bioactive JA (jar1-1), insensitive to JA (myc2-3) and deficient in ABA (aba2-1 and bglu18). The suppressive effect of jar1-1 and bglu18 mutations was further confirmed in the aln-1 background (jar1-1/aln-1 and bglu18/aln-1). These results indicate that allantoin can activate the MYC2-regulated JA signaling pathway through ABA production. Overall, this study provides evidence for the possible connection of purine catabolism with stress hormone homeostasis and signaling, and highlights the importance of allantoin in these interactions.

Publication Title

Allantoin, a stress-related purine metabolite, can activate jasmonate signaling in a MYC2-regulated and abscisic acid-dependent manner.

Sample Metadata Fields

Specimen part

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accession-icon GSE62385
Intermittent Hypoxia ageing
  • organism-icon Mus musculus
  • sample-icon 18 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

Expression data from mice exposed to intermittent hypoxia and mice reared for 12 months. We used microarrays to analyze the transcriptome of hippocampus from mice exposed to intermittent hypoxia or aged mice.

Publication Title

Treatment of intermittent hypoxia increases phosphorylated tau in the hippocampus via biological processes common to aging.

Sample Metadata Fields

Specimen part, Treatment

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accession-icon GSE73882
Functional characterization of inflammatory bowel disease-associated gut dysbiosis in gnotobiotic mice
  • organism-icon Mus musculus
  • sample-icon 16 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 2.1 ST Array (mogene21st)

Description

Gut dysbiosis is closely involved in the pathogenesis of inflammatory bowel disease (IBD). However, it remains unclear whether IBD-associated gut dysbiosis plays a primary role in disease manifestation or is merely secondary to intestinal inflammation. Here, we established a humanized gnotobiotic (hGB) mouse system to assess the functional role of gut dysbiosis associated with two types of IBD - Crohn's disease (CD) and ulcerative colitis (UC).

Publication Title

Functional Characterization of Inflammatory Bowel Disease-Associated Gut Dysbiosis in Gnotobiotic Mice.

Sample Metadata Fields

Specimen part

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accession-icon GSE43762
Expression profiling of glioma initiating cells (GICs) in the sphere and differentiation conditions
  • organism-icon Homo sapiens
  • sample-icon 8 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Glioma initiating cells (GICs) are considered responsible for the therapeutic resistance and recurrence of malignant glioma. To clarify the molecular mechanism of GIC maintenance/differentiation, we established GIC clones from GBM patient tumors having the potential to differentiate into malignant gliomas in mouse intracranial xenograft, and established an in vitro glioma induction system by using serum stimulation.

Publication Title

Glioma initiating cells form a differentiation niche via the induction of extracellular matrices and integrin αV.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE44339
Identification of Ccr4-Not complex as a regulator of transition from partial to genuine iPS cells
  • organism-icon Mus musculus
  • sample-icon 14 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Genome 430 2.0 Array (mouse4302)

Description

Partial induced pluripotent cells (iPSCs) are cell lines strayed from normal route from somatic cells to iPSCs and are immortalized. Mouse partial iPSCs are able to convert to real iPSCs by the exposure to 2i condition using MAPK and GSK3? inhibitors. However, the molecular mechanisms of this conversion are totally not known. Our piggyback vector mediated genome-wide screen revealed that Cnot2, one of core components of Ccr4-Not complex participates in this conversion. Subsequent analyses revealed other core components, i.e., Cnot1 and Cnot3 and Trim28 which is known to extensively share genomic binding sites with Cnot3 contribute to this conversion as well. Our bioinformatics analyses indicate that the major role of these factors in the conversion is the down-regulation of developmental genes in partial iPSCs.

Publication Title

Identification of Ccr4-not complex components as regulators of transition from partial to genuine induced pluripotent stem cells.

Sample Metadata Fields

Sex, Specimen part

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refine.bio is a repository of uniformly processed and normalized, ready-to-use transcriptome data from publicly available sources. refine.bio is a project of the Childhood Cancer Data Lab (CCDL)

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Cite refine.bio

Casey S. Greene, Dongbo Hu, Richard W. W. Jones, Stephanie Liu, David S. Mejia, Rob Patro, Stephen R. Piccolo, Ariel Rodriguez Romero, Hirak Sarkar, Candace L. Savonen, Jaclyn N. Taroni, William E. Vauclain, Deepashree Venkatesh Prasad, Kurt G. Wheeler. refine.bio: a resource of uniformly processed publicly available gene expression datasets.
URL: https://www.refine.bio

Note that the contributor list is in alphabetical order as we prepare a manuscript for submission.

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