Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1099965 | ENA |
REPOSITORIES: ENA
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Project description:With the increasing acknowledgment of the multifaceted roles of Anti-apoptotic Transcription Factor (AATF) in various cancers, our study directed its focus towards unraveling its implications in bladder cancer, particularly concerning the tumor microenvironment and immune landscape. We performed ChIP-seq to investigate the effect of AATF on chromatin status in BIU-87 cells.
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Project description:The goal of this study was to evaluate the biological effect of microplastic fibres on nasal epithelium from healthy subjects, as well as asthma and COPD pateients. We demonstrated the distinct biological response of asthmatic and COPD epithelial cells to microplastic fibers stimulation compared to healthy epithelial cells. ANKRD36, BCL2L15, C15orf48, CAPN14, FCGBP, FST, IL-19, MAFF, PGBD5, PKP1 and PTPRH are important markers of epithelial response after microplastic stimulation in obstructive lung disaeses. These mediators are linked to Th2 inflammation, alleviation of stress response, and, most notably, carcinogenesis. We demonstrated the distinct biological response of asthmatic and COPD epithelial cells to microplastic fibers stimulation compared to healthy epithelial cells. ANKRD36, BCL2L15, C15orf48, CAPN14, FCGBP, FST, IL-19, MAFF, PGBD5, PKP1 and PTPRH are important markers of epithelial response after microplastic stimulation in obstructive lung disaeses. These mediators are linked to Th2 inflammation, alleviation of stress response, and, most notably, carcinogenesis. Microplastic stimulation differently modified the response of airway epithelial cells in obstructive lung diseases than in controls. Asthmatic and COPD epithelial cells are more prone to damage after microplastic fibre exposure.
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Project description:Recent studies have identified the pervasive presence of nano- and microplastics (NMP) in atmospheric air, leading to inevitable human exposure. Human skin, with an extensive surface area of 1.5-2 m², is constantly exposed to airborne NMP, yet the dermal implications of such exposure remain elusive. Our investigation employed fragmented polystyrene (fPS), a plastic commonly found in the air, to evaluate dermal penetration using various skin models. We utilized pyrolysis-gas chromatography/mass spectrometry (py-GC/MS) to quantify fPS that had penetrated the skin model. Furthermore, we examined the biological alterations in skin keratinocytes consequent to fPS exposure and analyzed the regulation of inflammatory response markers. Our findings reveal deleterious effects on skin keratinocytes, underlining the potential risks posed by short-term fPS exposure. This multifaceted skin model study offers new perspectives on the toxicological impacts of NMP.
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Project description:We conducted a comparative leaf transcriptomic analysis of peanut plants grown under ambient and elevated atmospheric CO2 in semiarid conditions. We developed high-resolution spatiotemporal gene expression profiles for peanut leaf from flowering to physiological maturity. Our results showed that we identified genes and transcription factors associated with carbon metabolism pathways, specifically photosynthesis-related pathways, including photorespiration and light reaction. The major carbohydrate metabolism-related pathways were also significantly influenced by elevated CO2 and drought. Our results highlight insights into the mechanistic basis of photosynthesis acclimation to elevated CO2 in peanuts across different developmental stages.
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Project description:Natural and anthropogenic wetlands are main sources of the atmospheric greenhouse gas methane. Methane emissions from wetlands are mitigated by methanotrophic microorganisms and by processes at the oxic-anoxic interface, such as sulfur cycling, that reduce the activity of methanogens. In this study, we obtained a pure culture (strain HY1) of a versatile wetland methanotroph that oxidizes various organic and inorganic compounds. This strain represents (i) the first isolate that can aerobically oxidize both methane and reduced sulfur compounds and (ii) a new alphapoteobacterial species, named Candidatus Methylovirgula thiovorans. Genomic and proteomic analyses showed that soluble methane monooxygenase and XoxF-type alcohol dehydrogenases are the only enzymes for methane and methanol oxidation, respectively. Unexpectedly, strain HY1 harbors various pathways for respiratory sulfur oxidation and oxidized reduced sulfur compounds to sulfate using the Sox-rDsr pathway (without SoxCD) and the S4I system. It employed the Calvin-Benson-Bassham cycle for CO2 fixation during chemolithoautotrophic growth on the reduced sulfur compounds. Methane and thiosulfate were independently and simultaneously oxidized by strain HY1 for growth. Proteomic and microrespiratory analyses showed that the metabolic pathways for methane and thiosulfate oxidation were induced in the presence of their substrates. The discovery of this versatile methanotroph demonstrates that methanotrophy and thiotrophy is compatible in a single bacterium and adds a new aspect to interactions of methane and sulfur cycles in oxic-anoxic interface environments.
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Project description:Unveiling multifaceted ecological threats of estragole to aquatic organisms
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