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Toxicological impact of silver nanoparticles on soil microbial indicators in contaminated soil (pot experiment).
Nanotoxicology
January 2025
Chemical Engineering Department, University of Mohaghegh Ardabili, Ardabil, Iran.
Silver nanoparticles (AgNPs), recognized for their unique properties, are widely applied in fields such as agriculture, biotechnology, food security, and medicine. However, concerns persist regarding their interactions with living organisms and potential environmental impacts. This study investigates the effects of AgNPs on key soil microbial indicators that are essential for ecological functioning.
View Article and Find Full Text PDFClock system disruption in male Fischer 344 rats fed cafeteria diet and administered sweet treats at different times: The zeitgeber role of grape seed flavanols.
Biofactors
January 2025
Departament de Bioquimica i Biotecnologia, Universitat Rovira i Virgili, Nutrigenomics Research Group, Tarragona, Spain.
Current lifestyles include calorie-dense diets and late-night food intake, which can lead to circadian misalignment. Our group recently demonstrated that sweet treats before bedtime alter the clock system in healthy rats, increasing metabolic risk factors. Therefore, we aimed to assess the impact of the sweet treat consumption time on the clock system in rats fed a cafeteria diet (CAF).
View Article and Find Full Text PDFTranscriptomic response of an algal species (raphidocelis subcapitata) exposed to 22 per- and polyfluoroalkyl substances.
Environ Toxicol Chem
January 2025
United States Environmental Protection Agency, Center for Computational Toxicology and Exposure, Great Lakes Toxicology and Ecology Division, Duluth, MN, USA.
Per- and polyfluoroalkyl substances (PFAS) are a large class of chemicals of concern for both human and environmental health because of their ubiquitous presence in the environment, persistence, and potential toxicological effects. Despite this, ecological hazard data are limited to a small number of PFAS even though there are over 4000 identified PFAS. Traditional toxicity testing will likely be inadequate to generate necessary hazard information for risk assessment.
View Article and Find Full Text PDFOptical Insight: Spectrophotometry as a Tool to Quantify Cell Density of Green Microalgae in Suspension, with Emphasis on Growing Conditions and Toxicological Evaluations.
Bull Environ Contam Toxicol
January 2025
Centro de Estudos do Mar, Universidade Federal do Paraná (UFPR), Pontal do Paraná, PR, Brasil.
Microalgae are often used in different industrial sectors and can be used as indicators of aquatic environmental health. An essential step for cultivating microalgae is assessing the cell density, which is traditionally performed through cell counting by optical microscopy (OM). However, this method has limitations, mainly in terms of runtime and low reproducibility.
View Article and Find Full Text PDFThe interplay between RNA m6A modification and radiation biology of cancerous and non-cancerous tissues: a narrative review.
Cancer Biol Med
January 2025
State Key Laboratory of Advanced Medical Materials and Devices, Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Tianjin Institutes of Health Science, Institute of Radiation Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China.
The diverse radiation types in medical treatments and the natural environment elicit complex biological effects on both cancerous and non-cancerous tissues. Radiation therapy (RT) induces oncological responses, from molecular to phenotypic alterations, while simultaneously exerting toxic effects on healthy tissue. N-methyladenosine (mA), a prevalent modification on coding and non-coding RNAs, is a key epigenetic mark established by a set of evolutionarily conserved enzymes.
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