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Unusual variability of isomers in copper(II) complexes with 1,8-bis(2-hydroxybenzyl)-cyclam.
Dalton Trans
January 2025
Czech Academy of Sciences, J. Heyrovsky Institute of Physical Chemistry, Dolejškova 2155/3, 182 23 Prague 8, Czech Republic.
Copper isotopes and their complexes are intensively studied due to their high potential for applications in radiodiagnosis and radiotherapy. Here, we study the Cu complex of 1,8-bis(2-hydroxybenzyl)-cyclam (HL), which forms an unexpected variety of isomers differing in the mutual orientation of the substituents on the cyclam nitrogen atoms, the protonation of the phenolate pendant, and the ligand denticity. The interconversion of the isomers is rather slow, which made the isolation, identification and investigation of some of the individual species possible.
View Article and Find Full Text PDFA unique presentation of infratemporal fossa giant cell granuloma: A case report and literature review.
Int J Surg Case Rep
January 2025
Department of Otolaryngology Head and Neck Surgery, King Fahad Specialist Hospital, Dammam, Saudi Arabia. Electronic address:
Introduction: The infratemporal fossa (ITF) is considered an uncommon location for giant cell granuloma (GCG), a rare benign disease that is frequently detected in the maxilla and mandible.
Presentation Of Case: A 47-year-old male presented with right-sided hearing loss, tinnitus, and jaw claudication. Radiological imaging confirmed the presence of a mass in the ITF accompanied by bone erosion.
Life and death of Yfh1: how cool is cold denaturation.
Q Rev Biophys
January 2025
Elettra Sincrotrone Trieste, Italy.
Yeast frataxin (Yfh1) is a small natural protein from yeast that has the unusual property of undergoing cold denaturation at temperatures above the freezing point of water when under conditions of low ionic strength. This peculiarity, together with remarkable resilience, allows the determination, for the whole protein as well as for individual residues, of the stability curve, that is the temperature dependence of the free energy difference between the unfolded and folded forms. The ease of measuring stability curves without the need to add denaturants or introduce destabilizing mutations makes this protein an ideal 'tool' for investigating the influence of many environmental factors on protein stability.
View Article and Find Full Text PDFUnusual Findings of Human-Associated Four-Nucleated Species in Captive Wild Animals.
Animals (Basel)
January 2025
Department of Parasitology, Faculty of Pharmacy, Complutense University, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
Several species of amoebae in the genus forming four-nucleated mature cysts are pathogenic, but their identification is challenging due to a lack of distinctive morphological traits. Furthermore, host species cannot reliably be used as a criterion for identification. In this study, several isolates of four-nucleated cyst-forming species from animals at the Zoo Aquarium of Madrid are genetically identified.
View Article and Find Full Text PDFHepatic Sinusoidal Obstruction Syndrome (SOS) Associated with Checkpoint Inhibitor Therapy.
Eur J Case Rep Intern Med
December 2024
Department of Life, Health & Environmental Sciences, University of L'Aquila, L'Aquila, Italy.
Unlabelled: Sinusoidal obstruction syndrome (SOS) is a distinctive and potentially fatal form of hepatic injury that mainly occurs after hematopoietic-stem cell transplantation but also due to many other conditions including drug or toxin exposure. Recently, immune checkpoint inhibitors (ICIs) have revolutionised the treatment of many solid organ malignancies. Furthermore, as their use has become more widespread, rare toxicities have emerged.
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