IL28B genotype was shown to be associated with treatment outcome of antiviral thearpy for HCV infection. We tried to clarify the molecular feature that was asocciated with IL2B genotype by comparing Hepatic gene expression of HCV related Hepatocellular carcinoma and non-cancerous tissue with Il28B rs8099917 TT genotype and TG/GG genotype.
Association of interleukin-28B genotype and hepatocellular carcinoma recurrence in patients with chronic hepatitis C.
Specimen part
View SamplesThe liver may regulate glucose homeostasis by modulating the sensitivity/resistance of peripheral tissues to insulin, by way of the production of secreted proteins, termed hepatokines.
A liver-derived secretory protein, selenoprotein P, causes insulin resistance.
Sex, Specimen part, Disease
View SamplesThe transcriptomic profiles of mouse embryonic fibroblasts (MEFs) were investigated using the next-generation RNA sequencing (RNA-Seq). The CLC Genomic Workbench software was used to screen the differentially expressed transcripts. A total of 49 genes with a significantly differential expression (false discovery rate (FDR) p<0.05, fold change >2) in the female group as compared with the male group. Overall design: mRNA profiles of mouse embryonic fibroblast (MEF) were generated by RNA sequencing using the NextSeq 500 (Illumina).
KDM5D-mediated H3K4 demethylation is required for sexually dimorphic gene expression in mouse embryonic fibroblasts.
Sex, Specimen part, Cell line, Subject
View SamplesWe aimed to develop a novel chronic and severe hindlimb ischemia mice model to properly evaluate the therapeutic effects of drug candidates in translational research for critical limb ischemia treatments.
A novel model of chronic limb ischemia to therapeutically evaluate the angiogenic effects of drug candidates.
Specimen part, Time
View SamplesSphingosine-1-phosphate (S1P) is a sphingolipid metabolite that regulates basic cell functions through metabolic and signaling pathways. Intracellular metabolism of S1P is controlled, in part, by two homologous S1P phosphatases, 1 and 2, which are encoded by Sgpp1 and Sgpp2, respectively. S1P phosphatase activity is needed for efficient recycling of sphingosine into the sphingolipid synthesis pathway. S1P phosphatase 1 is important for skin homeostasis, but little is known about the functional role of S1P phosphatase 2. To identify the functions of S1P phosphatase 2 in vivo, we studied mice with the Sgpp2 gene deleted. In contrast to Sgpp1-/- mice, Sgpp2-/- mice had normal skin and were viable into adulthood. Unexpectedly, WT mice expressed Sgpp2 mRNA at high levels in pancreatic islets when compared with other tissues. Sgpp2-/- mice had normal blood insulin levels and pancreatic islet size; however, Sgpp2-/- mice treated with a high-fat diet (HFD) had significantly lower blood insulin levels and smaller pancreatic islets compared with WT mice. The smaller islets in the HFD-treated Sgpp2-/- mice had a significantly lower adaptive -cell proliferation rate in response to the diet compared with HFD-treated WT mice. Importantly, -cells from Sgpp2-/- mice fed a normal diet showed significantly increased expression of proteins characteristic of the endoplasmic reticulum (ER) stress response compared with -cells from WT mice. Our results suggest that Sgpp2 deletion causes -cell ER stress, which is a known cause of -cell dysfunction, and reveal a novel juncture in the sphingolipid recycling pathway that could impact the development of diabetes.
Sphingosine-1-phosphate Phosphatase 2 Regulates Pancreatic Islet β-Cell Endoplasmic Reticulum Stress and Proliferation.
No sample metadata fields
View SamplesTumor-specific alternative splicing is implicated in the progression of cancer, including clear cell renal cell carcinoma (ccRCC). Using ccRCC RNA-sequencing data from The Cancer Genome Atlas, we found that epithelial splicing regulatory protein 2 (ESRP2), one of the key regulators of alternative splicing in epithelial cells, is expressed in ccRCC. ESRP2 mRNA expression did not correlate with the overall survival rate of ccRCC patients, but the expression of some ESRP-target exons correlated with the good prognosis and with the expression of Arkadia (also known as RNF111) in ccRCC. Arkadia physically interacted with ESRP2, induced polyubiquitination, and modulated its splicing function. Arkadia and ESRP2 suppressed ccRCC tumor growth in a coordinated manner. Lower expression of Arkadia correlated with advanced tumor stages and poor outcomes in ccRCC patients. This study thus reveals a novel tumor-suppressive role of the Arkadia-ESRP2 axis in ccRCC. Overall design: Expression of mRNA in a ccRCC cell line OS-RC-2 under the knockdown of Arkadia or ESRP2. Knock-down of ESRP2 was confirmed by RT-PCR because of low expression of ESRP2 which resulted in non-quantitative FPKM value.
The Arkadia-ESRP2 axis suppresses tumor progression: analyses in clear-cell renal cell carcinoma.
No sample metadata fields
View SamplesWe evaluated the role of Arkadia and ESRP2 in HEK293T cells Overall design: Expression of mRNA in HEK293T cells under the knockdown of Arkadia or ESRP2
The Arkadia-ESRP2 axis suppresses tumor progression: analyses in clear-cell renal cell carcinoma.
No sample metadata fields
View SamplesAnalysis of synchronized HCT116 cells at various time points up to 10 hours following treatment with DMSO or Nocodazole.
A signature-based method for indexing cell cycle phase distribution from microarray profiles.
Cell line, Treatment
View SamplesThe aim of this study is to investigate the gene expression profiles during masculinization of neonatal female mice brain by exogenous androgen treatment.
Gene expression profile of the neonatal female mouse brain after administration of testosterone propionate.
Sex, Specimen part, Treatment
View SamplesMAP kinases are integral to the mechanisms by which cells respond to a wide variety of environmental stresses. In Caenorhabditis elegans, the KGB-1 JNK signaling pathway regulates the response to heavy metal stress. The deletion mutants of this cascade show hypersensitivity to heavy metals like copper or cadmium. However, factors that function downstream of KGB-1 pathway are not well characterized.
The Caenorhabditis elegans JNK signaling pathway activates expression of stress response genes by derepressing the Fos/HDAC repressor complex.
Age
View Samples