Cigarette smoke (CS) is one of risk factor to chronic obstructive pulmonary disease that is the major causes of death in the world. Furthermore, CS is an independent risk factor for chronic kidney disease (CKD) in the general adult population. The goal of this project was to identified the mechanisms of renal damage that might be associated with exposure to CS extract (CSE) in human kidney proximal tubular epithelial cell line (HK-2 cells) cells. Overall design: RNA sequencing of human kidney proximal tubular epithelial cell line (HK-2 cells) after 24 hours exposure to 0.6% CSE.
Cigarette Smoke Exposure Increases Glucose-6-phosphate Dehydrogenase, Autophagy, Fibrosis, and Senescence in Kidney Cells In Vitro and In Vivo.
Specimen part, Treatment, Subject
View SamplesForced expression of Bmi1 accelerated the self-renewal of hepatic stem/progenitor cells and eventually induced their transformation in an in vivo transplant model. The Ink4a/Arf locus, which encodes a cyclin-dependent kinase inhibitor, p16Ink4a, and a tumor suppressor, p19Arf, is a pivotal target of Bmi1. Therefore, it would be of importance to understand the contribution of the Ink4a/Arf locus to Bmi1 oncogenic functions in cancer and search for as-yet-unknown Bmi1 target genes other than Ink4a/Arf. We used microarrays to explore novel candidate downstream targets for Bmi1 in hepatic stem/progenitor cells
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Specimen part
View SamplesThe polycomb group (PcG) proteins function in gene silencing through histone modifications. They form chromatin-associated multiprotein complexes, termed polycomb repressive complex (PRC) 1 and PRC2. These two complexes work in a coordinated manner in the maintenance of cellular memories through transcriptional repression of target genes. EZH2 is a catalytic component of PRC2 and trimethylates histone H3 at lysine 27 to transcriptionally repress the target genes. PcG proteins have been characterized as general regulators of stem cells, but recent works also unveiled their critical roles in cancer.
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View SamplesComparison between livers of FLS mice and livers of DS (DD shionogi) mice
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Specimen part
View SamplesThis experiment is to identify genes that are regulated by pRb in AC61 cells. AC61 cells were derived from a C-cell adenocarcinoma developed in an Rb+/-N-ras-/- mouse.
Rb Regulates DNA damage response and cellular senescence through E2F-dependent suppression of N-ras isoprenylation.
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View SamplesTo identify p45 target genes, we conducted gene expression profiling with p45-null megakaryocytes cultured from E14.5 fetal liver. Many genes encoding membrane proteins and enzymes related to platelet function, including Txas, Glycoprotein 6 (Gp6) and Selectin P (Selp), were repressed in the absence of p45. Considering the similar DNA binding specificity of p45 and Nrf2 in vitro, we expected p45 to activate cytoprotective genes that are established Nrf2 targets. However, the expression of numerous detoxifying enzymes and stress-responsive genes, including NAD(P)H:quinone oxidoreductase (Nqo1), were increased in the absence of p45.
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Sex, Specimen part
View SamplesPerilipin A (PeriA) exclusively locates on adipocyte lipid droplets and is essential for lipid storage and lipolysis. Adipocyte specific overexpression of PeriA caused resistance to diet-induced obesity and resulted in improved insulin sensitivity. In order to better understand the biological basis for this observed phenotype we performed DNA microarray analysis on white adipose tissue (WAT) from PeriA transgenic (Tg) and control wildtype (WT) mice.
Perilipin overexpression in white adipose tissue induces a brown fat-like phenotype.
Sex, Specimen part
View SamplesBackgroundAcute coronary syndrome (ACS) is sometimes accompanied by accelerated coagulability, lipid metabolism, and inflammatory responses, which are not attributable to the cardiac events alone. We hypothesized that the liver plays a pivotal role in the pathophysiology of ACS. We simultaneously analyzed the gene expression profiles of the liver and heart during acute myocardial ischemia in mice.
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Sex, Specimen part
View SamplesTo test the regulatory effects of Dmrt5 on gene expression, we designed tetracycline inducible lines of Dmrt5 transgenic mouse ESCs. Overexpression of Dmrt5 was induced upon addition of Doxycycline (Dox). To evaluate the effects of Dmrt5 on gene expression in different stages of in vitro differentiated NPC derived from mouse embryonic stem cells (ESC), we analyzed gene expression profiles at differentiation day 7 and day 9 with or without Dox. The data revealed that overexpression of Dmrt5 in in vitro differentiated neural progenitor cells (NPC) regulates gene expression. Addition of Dox to the medium of the control cell line rtTA did not significantly alter gene expression profile, demonstrating that the observed effects were through induction of Dmrt5, but not simply through Dox.
Doublesex and mab-3-related transcription factor 5 promotes midbrain dopaminergic identity in pluripotent stem cells by enforcing a ventral-medial progenitor fate.
Cell line, Treatment
View SamplesThe data revealed differential expression between floor plate and ventral lateral region in E10.5 mouse embryo midbrain. Several differentially expressed genes in these regions have been reported in the literature, demonstrating reliability of tissue dissection.
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Sex
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