We have analysed morphological manifestations in five cases of lethal poisoning with the Death Cap toxin and compared the relevant clinical and laboratory findings with those in 15 survived subjects. It was shown based on the results of autopsy that poisoning was associated with hepatopathy, extensive hepatic necrosis, and nephropathy. Elevated blood bilirubin levels in conjunction with lowered prothrombin and fibrin concentrations appear to be the main causative factors responsible for the unfavourable prognosis of this intoxication.
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Ecotoxicol Environ Saf
January 2025
Red Imported Fire Ant Research Center, South China Agricultural University, Guangzhou 510642, China. Electronic address:
Perfluorononanoic acid (PFNA), widely employed in surfactants, coatings, plastics, corrosion inhibitors, and fire-extinguishing agents, is less regulated than PFOS or PFOA but displays higher bioaccumulation and potential toxicity. Most toxicity assessments have focused on mammals, fish, and algae, with limited research on ground-dwelling arthropods, especially ants. Here, we examined PFNA's toxic effects on red imported fire ants (RIFAs), a prevalent ground-dwelling species in South China.
View Article and Find Full Text PDFBr J Clin Pharmacol
January 2025
Division of Medical Toxicology, Ronald O. Perelman Department of Emergency Medicine, NYU Grossman School of Medicine, New York, NY, USA.
Poisoning management includes gastrointestinal decontamination strategies to decrease the burden of poison entering the body and change the expected severe toxicity expected to a less toxic, more favourable outcome. Common modalities are orogastric lavage, oral-activated charcoal and whole-bowel irrigation. Endoscopic retrieval and laparotomy are rare options reserved for severe ingestions and body packers.
View Article and Find Full Text PDFInorg Chem
January 2025
Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India.
The nucleotides play multiple fundamental roles that are essential in biochemical enzymatic reactions and signaling pathways. Many diseases are closely associated with their dysregulation. Therefore, reliable and sensitive optical probes to discriminate various nucleotides are essential in biochemistry, drug discovery, and disease diagnosis.
View Article and Find Full Text PDFACS Chem Biol
January 2025
Harvard University, Department of Chemistry and Chemical Biology, Cambridge, Massachusetts 02138, United States.
Hyperammonemia is characterized by the accumulation of ammonia within the bloodstream upon liver injury. Left untreated, hyperammonemia contributes to conditions such as hepatic encephalopathy that have high rates of patient morbidity and mortality. Previous studies have identified gut bacterial urease, an enzyme that converts urea into ammonia, as a major contributor to systemic ammonia levels.
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