HCT116 cells treated with the p97 inhibitior CB-5083
Ontology highlight
ABSTRACT: The goal of this study was to analyze differential gene expression 8 hr after treatment of CB-5083, a small molecule inhibitor of p97 (VCP), in HCT116 cells grown in culture. DMSO treated cells were compared to cells treated with 1uM CB-5083 after 8 hr.
Project description:The goal of this study was to analyze differential gene expression 8 hr after treatment of CB-5083, a small molecule inhibitor of p97 (VCP), in HCT116 cells grown in culture.
Project description:Glycolysis can improve the tolerance of tissue cells to hypoxia, and its intermediates provide raw materials for the synthesis and metabolism of the tumor cells. If it can inhibit the activity of glycolysis-related enzymes and control the energy metabolism of tumor, it can be targeted for the treatment of malignant tumor. The target proteins phosphoglycerate kinase 2 (PGK2), glycerol-3-phosphate dehydrogenase (GPD2) and glucose-6-phosphate isomerase (GPI) were screened by combining transcriptome, proteomics and reverse docking. We detected the binding constant of the active compound using microscale thermophoresis (MST). It was found that esculetin bound well with three potential target proteins. Esculetin significantly inhibited the rate of glycolysis, manifested by differences of cellular lactate production and glucose consumption in HepG2 cells with or without esculetin. It was found that GPD2 bound strongly to GPI, revealing the direct interaction between the two glycolysis-related proteins. Animal tests have further demonstrated that esculetin may have anticancer effects by affecting the activity of PGK2, GPD2 and GPI. The results of this study demonstrated that esculetin can affect the glucose metabolism by binding to glycolytic proteins, thus playing an anti-tumor role, and these proteins which have direct interactions are potential novel targets for tumor treatment by esculetin.
Project description:The results of this study demonstrated that esculetin can affect the glucose metabolism by binding to glycolytic proteins, thus playing an anti-tumor role, and the pathway comprising these proteins which have direct interactions are a potential novel targets for tumor treatment by esculetin.
Project description:This project aims to investigate the metabolic pathways expressed by the active microbial community occurring at the deep continental subsurface. Subsurface chemoLithoautotrophic Microbial Ecosystems (SLiMEs) under oligotrophic conditions are supported by H2; however, the overall ecological trophic structures of these communities are poorly understood. Some deep, fluid-filled fractures in the Witwatersrand Basin, South Africa appear to support inverted trophic pyramids wherein methanogens contributing <5% of the total DNA apparently produce CH4 that supports the rest of the community. Here we show the active metabolic relationships of one such trophic structure by combining metatranscriptomic assemblies, metaproteomic and stable isotopic data, and thermodynamic modeling. Four autotrophic β-proteobacteria genera that are capable of oxidizing sulfur by denitrification dominate. They co-occur with sulfate reducers, anaerobic methane oxidizers and methanogens, which each comprises <5% of the total community. Defining trophic levels of microbial chemolithoautotrophs by the number of transfers from the initial abiotic H2-driven CO2 fixation, we propose a top-down cascade influence of the metabolic consumers that enhances the fitness of the metabolic producers to explain the inverted biomass pyramid of a multitrophic SLiME. Symbiotic partnerships are pivotal in the deep biosphere on and potentially beyond the Earth.
Project description:To investigate the signaling patheway of VCP regulation PD-L1 in colorectal cancer cells, HCT116 cells were treated with CB-5083. We then performed gene expression profiling analysis using data obtained from RNA-seq of 3 different cells CB-5083 treatment and untreatment.
Project description:Skeletal homeostasis if profoundly altered in response to multiple-myeloma tumour burden. Osteocytes are pivotal regulatory cells in skeletal homeostasis. This dataset was used to examine the differences in the osteocyte-specific transcriptome that may underlie the changes in skeletal homeostasis that occur with multiple myeloma tumour burden. We performed total-RNA transcriptome sequencing on the isolated osteocytes from tumour-burdened and naive bone samples, as well as the marrow from these samples. With this experimental design we can identify genes that are changed specifically in osteocytes in the presence of multiple myeloma tumour burden.
Project description:Mammalian cells contain copious amounts of RNA including both coding and non-coding RNA (ncRNA). Generally the ncRNAs function to regulate gene expression at the transcriptional and post-transcriptional level. Among ncRNA, the long ncRNA and small ncRNA can affect histone modification, DNA methylation targeting and gene silencing. Here we show that endogenous DNA methyltransferase 1 (DNMT1) co-purifies with inhibitory ncRNAs. MicroRNAs (miRNAs) binds directly to DNMT1 with high affinity. The binding of miRNAs, such as miR-155, leads to inhibition of DNMT1 enzyme activity. Exogenous miR-155 in cells induces aberrant DNA methylation of the genome, resulting in hypomethylation of low to moderately methylated regions. And small shift of hypermethylation of previously hypomethylated region was also observed. Furthermore, hypomethylation led to activation of genes. Based on these observations, we propose that overexpression of specific miRNAs in human cancer may lead to aberrant DNA methylation and altered gene-expression. Examine of the DNA methylation and mRNA profile of HCT 116 cells transfected by random 23-mer or miR-155 RNA
Project description:Purpose: We wished to obtain spatial expression profiles of transcription factor gene expression and expression of other genes. Methods: Embryos were dissected and RNA-seq was performed to determine expression levels of genes. Comparisons between explanted regions permits determination of spatial enrichment of gene expression. mRNA-seq performed on 5 dissected regions of NF stage 10.5 X. tropicalis embryos and stage-matched sibling whole embryos. Experiment performed in duplicate.
Project description:we utilize Nano-MeDIP-seq for the analysis of the LT-HSC methylome and, for the first time, simultaneously interrogate the methylome and transcriptome of a homogeneous population of primary murine HSCs, in order to define the underlying causes of changes in HSC functionality during normal ageing. We isolated and phenotyped primary LT-HSCs from young, middle-aged and old mice and subjected them to comprehensive methylome (MeDIP-seq) and transcriptome (RNA-seq) analysis.
Project description:There are three main cell types associated with the skeleton, osteoblasts that bone build, osteoclasts that resorb bone and the osteocytes which among other things control the action of these other effector cell types. In this experiment we compare transcriptome data from bone samples enriched for osteocytes (by removing soft tissue and marrow) and bone samples with the soft tissue removed but the marrow left intact. This identifies genes that are enriched for data when we enrich for osteocytes - highlighting genes enriched for expression in this pivotal skeletal cell type.