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accession-icon GSE40444
Stabilization of OCT4 synthetic mRNA in adult human skin cells using small molecules
  • organism-icon Homo sapiens
  • sample-icon 7 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

The OCT4 transcription factor is involved in many cellular processes, including development, reprogramming, maintaining pluripotency and differentiation. Synthetic OCT4 mRNA was recently used (in conjunction with other reprogramming factors) to generate human induced pluripotent stem cells. Here, we discovered that BAY 11-7082 (BAY11) could significantly increase the expression of OCT4 following transfection of synthetic mRNA (synRNA) into adult human skin cells. Importantly, the increased levels of OCT4 resulted in significantly increased expression of genes downstream of OCT4, including the previously identified SPP1, DUSP4 and GADD45G. We also identified a novel OCT4 downstream target gene SLC16A9 which demonstrated significantly increased expression following elevation of OCT4 levels. This small molecule-based stabilization of synthetic mRNA expression may have multiple applications for future cell-based research and therapeutics.

Publication Title

BAY11 enhances OCT4 synthetic mRNA expression in adult human skin cells.

Sample Metadata Fields

Specimen part, Cell line, Treatment

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accession-icon GSE10289
Cells silenced for SDHB expression and tumor phenotype
  • organism-icon Homo sapiens
  • sample-icon 4 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Effect of SDHB silencing using siRNA methodologies in the tumor phenotype

Publication Title

Cells silenced for SDHB expression display characteristic features of the tumor phenotype.

Sample Metadata Fields

No sample metadata fields

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accession-icon SRP078537
Expression profiling identifies Sertoli and Leydig cell genes as Fsh targets in adult zebrafish testis
  • organism-icon Danio rerio
  • sample-icon 24 Downloadable Samples
  • Technology Badge IconIlluminaHiSeq2500

Description

Spermatogonial stem cells are quiescent, undergo self-renewal or differentiating divisions, thereby forming the cellular basis of spermatogenesis. This cellular development is orchestrated by follicle-stimulating hormone (FSH), through the production of Sertoli cell-derived factors, and by Leydig cell-released androgens. Here, we investigate the transcriptional events induced by Fsh in a steroid-independent manner on the restart of zebrafish (Danio rerio) spermatogenesis ex vivo, using testis from adult males where type A spermatogonia were enriched by estrogen treatment in vivo. Under these conditions, RNA sequencing preferentially detected differentially expressed genes in somatic/Sertoli cells. Fsh-stimulated spermatogonial proliferation was accompanied by modulating several signaling systems (i.e. Tgf-ß, Hedgehog, Wnt and Notch pathways). In silico protein-protein interaction analysis indicated a role for Hedgehog family members potentially integrating signals from different pathways during fish spermatogenesis. Moreover, Fsh had a marked impact on metabolic genes, such as lactate and fatty acid metabolism, or on Sertoli cell barrier components. Fish Leydig cells express the Fsh receptor and one of the most robust Fsh-responsive genes was insulin-like 3 (insl3), a Leydig cell-derived growth factor. Follow-up work showed that recombinant zebrafish Insl3 mediated pro-differentiation effects of Fsh on spermatogonia in an androgen-independent manner. Our experimental approach allowed focusing on testicular somatic genes in zebrafish and showed that the activity of signaling systems known to be relevant in stem cell systems was modulated by Fsh, providing promising leads for future work, as exemplified by the studies on Insl3. Overall design: 12 samples in total were analyzed: 6 biological replicates from control testis samples and 6 biological replicates from Fsh-treated testis samples (all co-incubated with trilostane).

Publication Title

Expression profiling identifies Sertoli and Leydig cell genes as Fsh targets in adult zebrafish testis.

Sample Metadata Fields

No sample metadata fields

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accession-icon GSE32566
Exogenous Sulfide Reverses the Alteration of Transcriptional Profiling of the des1-1 Mutant (Arabidopsis thaliana)
  • organism-icon Arabidopsis thaliana
  • sample-icon 12 Downloadable Samples
  • Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

Description

Arabidopsis thaliana cells contain different O-acetylserine(thiol)lyase (OASTL) enzymes that catalyze the biosynthesis of cysteine. Recently, we have deeply investigated about one of the minor OASTL-like protein located in the cytosol, named DES1, highlighting some important clues about its metabolic function. We have demonstrated that DES1 catalyzes the desulfuration of L-cysteine to sulfide plus ammonia and pyruvate, instead of the biosynthesis of Cys, and thus, is a novel L-cysteine desulfhydrase (EC 4.4.1.1). The functionality of DES1 is being revealed by the phenotype of the T-DNA insertion mutants des1-1 and des1-2. We have performed a comparative transcriptomic analysis on leaves of the des1-1 and Col-0 wild type plants grown for 30 days under long-day conditions. The normalized data from the replicates showed differential expression of 1614 genes in the des1-1 mutant, with 701 genes down-regulated and 913 genes up-regulated by more than twofold, with a False Discovery Rate (FDR) of < 0.05 and an intensity signal restriction of lgSignal >7. This des1-1 transcriptional profile show a strong alteration when compared to a previous comparative transcriptomic analysis performed on leaves of the des1-1 and Col-0 wild type plants grown for 20 days under identical long-day conditions (GSE 19244). We have also performed a comparative transcriptomic analysis on leaves of the des1-1 and Col-0 wild type plants grown for 20 days and treated with sodium sulfide for 10 additional days. The comparison of the transcriptional profile of des1-1+Na2S versus Col-0+Na2S clearly shows that exogenous sulfide reversed the transcriptional level differences between the mutant and the wild type to reach similar transcriptional patterns as the array GSE19244. Our results suggest a role of sulfide as transcriptional regulator in the des1-1 mutant background.

Publication Title

Cysteine-generated sulfide in the cytosol negatively regulates autophagy and modulates the transcriptional profile in Arabidopsis.

Sample Metadata Fields

Age, Specimen part, Treatment

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accession-icon GSE50617
Expression data from mouse CD3+ T-cells from WT and KLF13 KO mice
  • organism-icon Mus musculus
  • sample-icon 10 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

Kruppel-like factors are a subclass of zinc finger transcription factors that play important roles in different aspects of cell growth, development, and differentiation. Our group have identified KLF13 as an essential transcription factor for the late expression of chemokine RANTES in T lymphocytes. However, very little is known about the role of KLF13 in T cells and other potential transcriptional targets. To address this, we sought to identify genes that are regulated by KLF13 in mouse T cells. Using microarray analysis, we compared gene expression in activated CD3+ T lymphocytes from wild type and Klf13-/- animals.

Publication Title

KLF13 cooperates with c-Maf to regulate IL-4 expression in CD4+ T cells.

Sample Metadata Fields

Sex, Age, Specimen part

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accession-icon GSE18866
Expression data from doxycylin-inducible miR-15a/16-1 and empty vector (EV) expression in a 13q14-\- cell line
  • organism-icon Homo sapiens
  • sample-icon 12 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Reexpression of microRNAs miR-15a/16-1 in a cell line deficient for these miRs (homozygous deletion of chromosomal region 13q14) results in the downregulation of certain mRNAs.

Publication Title

The DLEU2/miR-15a/16-1 cluster controls B cell proliferation and its deletion leads to chronic lymphocytic leukemia.

Sample Metadata Fields

Cell line

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accession-icon GSE32051
Capicua-dependent transcriptional changes in adult mouse cerebellum
  • organism-icon Mus musculus
  • sample-icon 8 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

Analysis of cerebella from Capicua (Cic) mutant mice and wild-type controls at 28 days of age (P28). Spinocerebellar ataxia type 1 (SCA1) is a fatal neurodegenerative disease caused by expansion of a translated CAG repeat in Ataxin-1 (ATXN1). The transcriptional repressor Cic binds directly to Atxn1 and plays a key role in SCA1 pathogenesis. Two isoforms of Cic, long (Cic-L) and short (Cic-S), are transcribed from alternative promoters. Using embryonic stem cells in which the Cic locus was targeted by an insertion of a genetrap cassette between exon 1 of the Cic-L isoform and exon 1 of the Cic-S isoform, we generated mice that carried this allele and backcrossed these onto a Swiss Webster (CD-1) strain for >6 generations. The resulting Cic-L-/- mice completely lack the Cic-L isoform with ~10% of Cic-S remaining. These data were used to compare with previous microarray data to determine the Cic-depedent pathogenic mechanisms in SCA1.

Publication Title

Exercise and genetic rescue of SCA1 via the transcriptional repressor Capicua.

Sample Metadata Fields

No sample metadata fields

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accession-icon SRP151935
Endocrine and local signaling interact to regulate spermatogenesis in zebrafish: Follicle-stimulating hormone, retinoic acid and androgens
  • organism-icon Danio rerio
  • sample-icon 30 Downloadable Samples
  • Technology Badge IconIllumina HiSeq 2500

Description

After an acclimatization period with increasing temperature (from 27 to 35째C; ~1째C increment/day), adult zebrafish males were exposed to 35째C for 14 days and injected with the cytostatic agent busulfan (single intraperitoneal injection after 7 days at 35째C; 40 mg/Kg). Then, fish were placed back to normal water temperature and testis samples collected at different time points. Morphological analysis of testicular samples showed maximum germ cell depletion 10 days post busulfan injection (i.e. 10 dpi) and the recovery of endogenous spermatogenesis ~14 dpi. Total RNA was isolated from (1) testes of untreated adult control zebrafish, (2) germ cell-depleted, and (3) testis tissue at the beginning of the recovery period, and selected samples were used for library preparation Overall design: 15 samples in total were analyzed: 5 biological replicates from control testis samples, 5 biological replicates from depleted testis samples and 5 biological replicates from recovering testis samples

Publication Title

Endocrine and local signaling interact to regulate spermatogenesis in zebrafish: follicle-stimulating hormone, retinoic acid and androgens.

Sample Metadata Fields

Specimen part, Subject

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accession-icon GSE33135
Gene expression profile after dexamethasone in chronic lymphocytic leukemia cells according to IGHV/ZAP-70 status
  • organism-icon Homo sapiens
  • sample-icon 17 Downloadable Samples
  • Technology Badge Icon Affymetrix Human Genome U133 Plus 2.0 Array (hgu133plus2)

Description

Glucocorticoids are part of the therapeutic armamentarium of chronic lymphocytic leukemia where it has been suggested that cells with unmutated IGHV genes exhibit higher sensitivity. The mechanisms by which glucorticoids are active in CLL are not well elucidated.

Publication Title

Differential gene expression profile associated to apoptosis induced by dexamethasone in CLL cells according to IGHV/ZAP-70 status.

Sample Metadata Fields

Specimen part

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accession-icon GSE29551
Expression data from 6 day-old Atxn1L-/- and Atxn1-/- lung tissues
  • organism-icon Mus musculus
  • sample-icon 14 Downloadable Samples
  • Technology Badge Icon Affymetrix Mouse Gene 1.0 ST Array (mogene10st)

Description

Although expansion of a polyglutamine tract in ATAXIN1 (ATXN1) causes Spinocerebellar ataxia type 1, the functions of wild-type ATXN1 and ATAXIN1-Like (ATXN1L) remain poorly understood. To gain insight into the function of these proteins, we generated and characterized Atxn1L-/- and Atxn1-/- ; Atxn1L-/- double mutant animals. We found that Atxn1L -/- mice have several developmental problems including hydrocephalus, omphalocoele and lung alveolarization defects. These phenotypes are more penetrant and severe in Atxn1-/- ; Atxn1L-/- mice, suggesting that Atxn1 and Atxn1L are functionally redundant.

Publication Title

ATXN1 protein family and CIC regulate extracellular matrix remodeling and lung alveolarization.

Sample Metadata Fields

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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