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Metal Ion and Antibiotic Co-loaded Nanoparticles for Combating Methicillin-Rresistant -Induced Osteomyelitis.
ACS Nano
January 2025
Department of Orthopaedics, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing 400038, China.
Methicillin-resistant (MRSA) causes osteomyelitis (OM), which seriously threatens public health due to its antimicrobial resistance. To increase the sensitivity of antibiotics and eradicate intracellular bacteria, a Zn and vancomycin (Van) codelivered nanotherapeutic (named Man-Zn/Van NPs) was fabricated and characterized via mannose (Man) modification. Man-Zn/Van NPs exhibit significant inhibitory activity against extra- and intracellular MRSA and obviously decrease the minimum inhibitory concentration of Van.
View Article and Find Full Text PDFAn untargeted metabolomic analysis of acute AFB1 treatment in liver, breast, and lung cells.
PLoS One
January 2025
Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States of America.
Aflatoxin B1 (AFB1) is a class 1 carcinogen and mycotoxin known to contribute to the development of hepatocellular carcinoma (HCC), growth impairment, altered immune system modulation, and malnutrition. AFB1 is synthesized by Aspergillus flavus and is known to widely contaminate foodstuffs, particularly maize, wheat, and groundnuts. The mechanism in which AFB1 causes genetic mutations has been well studied, however its metabolomic effects remained largely unknown.
View Article and Find Full Text PDFThe First Large Identification of 3ANX and NX Producing Isolates of in Manitoba, Western Canada.
Toxins (Basel)
January 2025
Manitoba Agriculture, 65-3rd Avenue NE, Carman, MB R1N 1Y7, Canada.
Fusarium head blight, caused by , continues to be one of the most important and devastating fungal diseases on cereal grains including wheat, barley, and oat crops. produces toxic secondary metabolites that include trichothecene type A and type B mycotoxins. There are many variants of these toxins that are produced, and in the early 2010s, a novel type A trichothecene mycotoxin known as 3ANX (7-α hydroxy,15-deacetylcalonectrin) and its deacetylated product NX (7-α hydroxy, 3,15-dideacetylcalonectrin) were identified in Minnesota, USA.
View Article and Find Full Text PDFVenoms and Extracellular Vesicles: A New Frontier in Venom Biology.
Toxins (Basel)
January 2025
Department of Human Genetics, School of Medicine, University of Texas Rio Grande Valley, Brownsville, TX 78520, USA.
Extracellular vesicles (EVs) are nanoparticle-sized vesicles secreted by nearly all cell types under normal physiological conditions. In toxicological research, EVs have emerged as a crucial link between public health and multi-omics approaches, offering insights into cellular responses to disease-causing injury agents such as environmental and biological toxins, contaminants, and drugs. Notably, EVs present a unique opportunity to deepen our understanding of the pathophysiology of envenomation by natural toxins.
View Article and Find Full Text PDFMapping Variability of Mycotoxins in Individual Oat Kernels from Batch Samples: Implications for Sampling and Food Safety.
Toxins (Basel)
January 2025
Magan Centre of Applied Mycology, Cranfield University, Cranfield MK43 0AL, UK.
Oats are susceptible to contamination by mycotoxins, including deoxynivalenol (DON), zearalenone (ZEN), and T-2/HT-2 toxins, posing food safety risks. This study analyses the variation in levels of 14 mycotoxins in 200 individual oat kernels from two DON-contaminated batch samples (mean = 3498 µg/kg) using LC-MS/MS. The samples also contained deoxynivalenol-3-glucoside (DON-3G), 3-acetyldeoxynivalenol (3-ADON), 15-acetyldeoxynivalenol (15-ADON), and ZEN.
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