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Ambient Toxic Air Contaminants in the Maternal Residential Area during Pregnancy and Cerebral Palsy in the Offspring.
Environ Health Perspect
January 2025
Department of Environmental Health Sciences, Yale School of Public Health, New Haven, Connecticut, USA.
Background: Cerebral palsy (CP) is the most common permanent neuromotor disorder diagnosed in childhood. Although most cases have unknown etiology, emerging evidence suggests environmental risk factors of CP.
Objectives: We investigated whether ambient toxic air contaminants (TACs) in the maternal residential area during pregnancy, specifically volatile organic compounds (VOCs) and metals, were associated with offspring CP risk in California.
Vanadate reduction by gram-positive fermentative bacteria isolated from deep-sea sediments on the northern Central Indian Ridge.
PLoS One
January 2025
School of Earth and Environmental Sciences, Seoul National University, Seoul, South Korea.
The oxidation states of vanadium determine its mobility and toxicity, and dissimilatory vanadate reduction has been reported in several microorganisms, highlighting the potential significance of this pathway in the remediation of vanadium contamination and the biogeochemical cycle. However, to date, most known microorganisms capable of reducing vanadate are Gram-negative respiratory bacteria belonging to the phylum Proteobacteria. In this study, we isolated Tepidibacter mesophilus strain VROV1 from deep-sea sediments on the northern Central Indian Ridge and investigated its ability to reduce vanadium and the impact of vanadate on its cellular metabolism.
View Article and Find Full Text PDFCytotoxicity of sub-lethal doses of vanadium pentoxide in male Oryctolagus cuniculus.
Environ Toxicol Pharmacol
January 2025
Department of Zoology and Environmental Biology, University of Nigeria, Nsukka, Nigeria. Electronic address:
Vanadium pentoxide (VO) is one of the compounds that have been reported to pose varying degrees of toxicity upon exposure; thus, making it a challenging environmental hazard that affects living organisms. This study investigated the cytotoxicity effects of daily sub-lethal oral doses of VO on the bone marrow of male Oryctolagus cuniculus after 21 days. Male O.
View Article and Find Full Text PDFHydrolysis, Ligand Exchange, and Redox Properties of Vanadium Compounds: Implications of Solution Transformation on Biological, Therapeutic, and Environmental Applications.
Chem Rev
January 2025
Centro de Química Estrutural and Departamento de Engenharia Química, Institute of Molecular Sciences, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
Vanadium is a transition metal with important industrial, technological, biological, and biomedical applications widespread in the environment and in living beings. The different reactions that vanadium compounds (VCs) undergo in the presence of proteins, nucleic acids, lipids and metabolites under mild physiological conditions are reviewed. In the environment vanadium is present naturally or through anthropogenic sources, the latter having an environmental impact caused by the dispersion of VCs in the atmosphere and aquifers.
View Article and Find Full Text PDFBiodegradable Vanadium-Based Nanomaterials for Photothermal-Enhanced Tumor Ferroptosis and Pyroptosis.
ACS Appl Mater Interfaces
January 2025
Molecular Diagnostic Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou First People's Hospital, Hangzhou 310006, China.
The designability and high reactivity of nanotechnology provide strategies for antitumor therapy by regulating the redox state in tumor cells. Here, we synthesize a kind of vanadium dioxide nanoparticle encapsulated in bovine serum albumin and containing disulfide bonds (VSB NPs) for photothermal-enhanced ferroptosis and pyroptosis effects. Mechanism studies show that disulfide bonds can effectively consume overexpressed glutathione (GSH) in the tumor microenvironment, leading to a decrease in glutathione peroxidase 4 (GPX4) activity.
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