Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR6898309_1.fastq.gz | Fastqsanger.gz | |||
| SRR6898309_2.fastq.gz | Fastqsanger.gz |
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Project description:Hypersensitivity reactions are rare, but potentially severe adverse effects of sulfonamide antibiotics. Increased in vitro toxicity of lymphocytes, primarily CD8+ T cells, to sulfonamide drug metabolites as been proposed as a marker for sulfonamide hypersensitivity, but the mechanisms underlying this marker are unknown. Therefore, we used microarrays to compare RNA expression of CD8+ T cell-enriched peripheral blood mononuclear cells of human patients who have had a hypersensitivity (HS) reaction to sulfonamide antibiotics vs. patients who have been tolerant (TOL) to a course of sulfonamide antibiotics.
2017-06-26 | GSE100443 | GEO
Project description:Potentiated sulfonamide antibiotics such as trimethoprim/sulfamethoxazole (cotrimoxazole or TMP/SMX) remain the drugs of choice for treatment and prevention of Pneumocystis jiroveci pneumonia, toxoplasma encephalitis, and Isospora infections in HIV infection (aidsinfo.nih.gov). However, HIV-infected patients show a markedly increased risk of delayed hypersensitivity (HS) reactions to TMP/SMX (20-57% incidence) when compared to the general population (3% incidence). The typical manifestation is maculopapular rash with or without fever, and TMP/SMX is the most common cause of cutaneous drug reactions in HIV-infected patients TMP/SMX can also lead to thrombocytopenia, hepatotoxicity, and bullous skin eruptions in more severely affected patients. The risk of sulfonamide HS increases with progression to AIDS, with higher risk seen at lower CD4+ counts. This risk has been attributed, at least in part, to acquired alterations in SMX drug disposition in HIV infection. We hypothesized that HIV infection leads to impaired hepatic SMX detoxification or enhanced SMX bioactivation pathways, which may contribute to the increased incidence of sulfonamide HS. We addressed this question using liver tissue from SIVmac239-infected macaques, a well accepted model of HIV infection. The aim of this study was to evaluate differences in the hepatic expression and activity of SMX biotransformation pathways from drug naïve SIV-infected macaques compared to sex- and age-matched uninfected controls.
2017-07-11 | GSE87158 | GEO
Project description:Freshwater environments such as rivers receive effluent discharges from wastewater treatment plants, representing a potential hotspot for antibiotic resistance genes (ARGs). These effluents also contain low levels of different antimicrobials including biocides and antibiotics such as sulfonamides that can be frequently detected in rivers. The impact of such exposure on ARG prevalence and microbial diversity of riverine environment is unknown, so the aim of this study was to investigate the release of a sub-lethal concentration (<4 g L-1) of the sulfonamide compound sulfamethoxazole (SMX) on the river bacterial microbiome using a microflume system. This system was a semi-natural in-vitro microflume using river water (30 L) and sediment, with circulation to mimic river flow. A combination of ‘omics’ approaches were conducted to study the impact of SMX exposure on the microbiomes within the microflumes. Metaproteomics did not show differences in ARGs expression with SMX exposure in water.
2021-07-06 | PXD023822 | Pride
Project description:ADH5 encodes for the protein GSNOR, an alchol dehydrogenase acting as a denitrosylase. GSNOR reduces S-nitrosoglutathione (GSNO) to an unstable intermediate, S-hydroxylaminoglutathione, which then rearranges to form glutathione sulfonamide, or in the presence of GSH, forms oxidized glutathione (GSSG) and hydroxylamine
2022-12-21 | GSE211114 | GEO
Project description:Because antibiotics have been widely used to prevent severe losses due to infectious fishery diseases, the liberal application and overuse of antibiotics has led to the spread and evolution of bacterial resistance, food safety hazards, and environmental issues. The use of some antibiotics, including florfenicol and enrofloxacin, is allowed in aquaculture in China. Accordingly, to better address the concerns and questions associated with the impact of administered enrofloxacin and florfenicol to grass carp, here we investigated the immune response, bacterial diversity, and transcriptome of the intestine of C. idella treated with these oral antibiotics. The aim of this study was to provide an in-depth evaluation of the antibiotic-induced patterns and dynamics of the microbiota grass carp and the potential mechanism involved.
2022-08-08 | E-MTAB-12057 | biostudies-arrayexpress
Project description:Mechanisms of Risk for Sulfonamide Hypersensitivity
| PRJNA322104 | ENA
Project description:Mechanisms of Risk for Sulfonamide Hypersensitivity
| PRJNA322105 | ENA
Project description:Target protein degradation is an emerging field in drug discovery and development. In particular, the substrate receptor proteins of the cullin ubiquitin ligase system play a key role in selective protein degradation, which is an essential component of the anti-myeloma activity of immunomodulatory drugs (IMiDs) represented by lenalidomide. Here, we demonstrate that a series of anticancer sulfonamides NSC 719239 (E7820), indisulam, and NSC 339004 (chloroquinoxaline sulfonamide, CQS) induce proteasomal degradation of the U2AF-related splicing factor CAPER-alpha via DCAF15-DDB1-CUL4 CRL4-DCAF15 mediated ubiquitination in human cancer cell lines. Both CRISPR/Cas9-based knockout of DCAF15 and a single amino acid substitution of CAPER-alpha conferred resistance against sulfonamide-induced CAPER-alpha degradation and cell-growth inhibition. Thus, the these sulfonamides represent selective chemical probes for disrupting CAPER-alpha function and designate DCAFs as promising drug targets for promoting selective protein degradation in cancer therapy.
2017-01-20 | GSE93829 | GEO