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Homo sapiens

ABSTRACT: Role of COP1 on MAP kinase transcriptional output in melanoma

PROVIDER: PRJNA318531 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR3385380.fastq.gz	Fastqsanger.gz
	SRR3385381.fastq.gz	Fastqsanger.gz
	SRR3385382.fastq.gz	Fastqsanger.gz
	SRR3385383.fastq.gz	Fastqsanger.gz
	SRR3385384.fastq.gz	Fastqsanger.gz

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Homo sapiens

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Role of COP1 on MAP kinase transcriptional output in melanoma

Project description:COP1 regulates MAP kinase dependent stability Pea3 transcription factors. We determined the role of COP1 in the regulation of MAP kianse transciptional output. We generated A375 melanoma cells with CRISPR/Cas9 mediated COP1 (gene symbol RFWD) knockout. We treated control sgEGFP and COP1 loss sgCOP1 cells with vehicle, 1 µM vemurafinib, or 5 nM trametinib for 8 hours and isolated RNA for sequencing.

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Role of COP1 on MAP kinase transcriptional output in gastrointestinal stromal tumor

Project description:COP1 regulates MAP kinase dependent stability Pea3 transcription factors. We determined the role of COP1 in the regulation of MAP kianse transciptional output. We transfected GIST882 cells with siRNA against a scrambled sequence and two sequences against COP1. We treated cells for 8 hours with vehicle or 100 nM PD0325901 in duplicate and isolated RNA for sequencing.

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Project description:Resistance to MAP-kinase Pathway Inhibitors in Metastatic Melanoma

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Role of Cop1 on chromatin accessibility in 4T1 mouse triple negative breast cancer cells

Project description:Cop1 regulates stability of transcription factors. We determined the role of Cop1 in the regulation of Cebpd transciptional output. We generated 4T1breast cancer cells with CRISPR/Cas9 mediated Cop1 (gene symbol RFWD2) knockout. We treated control sgRosa26 and sgCop1 cells with vehicle or IFNgamma (20ng/ml) for 24 hours and did ATAC-seq.

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Project description:Transcriptional profiling of human mesenchymal stem cells comparing normoxic MSCs cells with hypoxic MSCs cells. Hypoxia may inhibit senescence of MSCs during expansion. Goal was to determine the effects of hypoxia on global MSCs gene expression.

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Crystal structure of Homo sapiens kynureninase.

Project description:Kynureninase is a member of a large family of catalytically diverse but structurally homologous pyridoxal 5'-phosphate (PLP) dependent enzymes known as the aspartate aminotransferase superfamily or alpha-family. The Homo sapiens and other eukaryotic constitutive kynureninases preferentially catalyze the hydrolytic cleavage of 3-hydroxy-l-kynurenine to produce 3-hydroxyanthranilate and l-alanine, while l-kynurenine is the substrate of many prokaryotic inducible kynureninases. The human enzyme was cloned with an N-terminal hexahistidine tag, expressed, and purified from a bacterial expression system using Ni metal ion affinity chromatography. Kinetic characterization of the recombinant enzyme reveals classic Michaelis-Menten behavior, with a Km of 28.3 +/- 1.9 microM and a specific activity of 1.75 micromol min-1 mg-1 for 3-hydroxy-dl-kynurenine. Crystals of recombinant kynureninase that diffracted to 2.0 A were obtained, and the atomic structure of the PLP-bound holoenzyme was determined by molecular replacement using the Pseudomonas fluorescens kynureninase structure (PDB entry 1qz9) as the phasing model. A structural superposition with the P. fluorescens kynureninase revealed that these two structures resemble the "open" and "closed" conformations of aspartate aminotransferase. The comparison illustrates the dynamic nature of these proteins' small domains and reveals a role for Arg-434 similar to its role in other AAT alpha-family members. Docking of 3-hydroxy-l-kynurenine into the human kynureninase active site suggests that Asn-333 and His-102 are involved in substrate binding and molecular discrimination between inducible and constitutive kynureninase substrates.

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Homo sapiens whole blood.

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Project description:Role of Cop1 on transcriptional output in 4T1 mouse triple negative breast cancer cells

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