Homo sapiens
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ABSTRACT:
PROVIDER: PRJNA181968 | ENA |
REPOSITORIES: ENA
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Project description:Hypersensitivity reactions to medications constitute a growing problem in the clinical practice. In order to study the molecular basis underlying the pathogenesis of non-immediate hypersensitivity reactions to drugs, we characterized the gene expression profiles of PBMCs isolated from patients during the acute phase and upon resolution of the clinical symptoms using a cDNA array technology. Eighty five genes were found to be differentially expressed during the acute phase of drug-induced delayed hypersensitivity reactions. Furthermore, ninety two genes with distinct expression patterns during the acute phase of severe and benign diseases were identified. Keywords: Comparison between disease and healty status
2009-10-01 | GSE12829 | GEO
Project description:Hypersensitivity reactions to medications constitute a growing problem in the clinical practice. In order to study the molecular basis underlying the pathogenesis of non-immediate hypersensitivity reactions to drugs, we characterized the gene expression profiles of PBMCs isolated from patients during the acute phase and upon resolution of the clinical symptoms using a cDNA array technology. Eighty five genes were found to be differentially expressed during the acute phase of drug-induced delayed hypersensitivity reactions. Furthermore, ninety two genes with distinct expression patterns during the acute phase of severe and benign diseases were identified. Keywords: Comparison between disease and healty status Expression profiles of 11835 genes were analyzed in peripheral blood mononuclear cells from 13 patients with different clinical entities . Two samples were analyze from each patient. The first blood sample was drawn during the acute phase of the disease. The second blood sample was obtained upon resolutin of the clinical symptoms. The ratio between gene expression levels in both samples was calculated for each patient.
2009-10-01 | E-GEOD-12829 | biostudies-arrayexpress
Project description:Nevirapine is a non-nucleoside reverse transcriptase inhibitor, a class of antiretroviral drug, used for the treatment of HIV-1 infection. Despite its wide use, nevirapine treatment has been associated with a significant incidence of different kind of hypersensitivity reactions (HSRs). We used microarrays to find significant genes that can relate to Nevirapine-persuaded hypersensitivity reactions in ‘acute’ patients compared to ‘recovered’ and/or ‘tolerant’ patients.
2015-11-30 | GSE42436 | GEO
Project description:Transcription profiling of acute monocytic leukemia (AML-M5) patients with DNMT3A mutations
2025-01-24 | E-GEOD-27187 | ExpressionAtlas
Project description:Gene expression profiling of immortalized human mesenchymal stem cells with hTERT/E6/E7 transfected MSCs. hTERT may change gene expression in MSCs. Goal was to determine the gene expressions of immortalized MSCs.
2010-09-25 | GSE24338 | GEO
Project description:Transcriptomic and proteomic profiling reveal insights of mesangial cell function in patients with IgA Nephropathy
2025-01-24 | E-GEOD-93798 | ExpressionAtlas
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.
2011-02-19 | GSE20463 | GEO
Project description:Transcription profiling by array of patients with ASXL1 mutations in cytogenetically normal acute myeloid leukemia
2025-01-16 | E-TABM-1208 | ExpressionAtlas
Project description:Gene expression profiles in drug-induced hypersensitivity reactions with cutaneous involvement
| PRJNA111137 | ENA
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.
| S-EPMC2531291 | biostudies-literature