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Reappraisal of the fundamental mechanisms of the sHA14-1 molecule as a Bcl-2/Bcl-XL ligand in the context of anticancer therapy: A cell biological study.
J Biol Methods
December 2024
National Center for Scientific Research UMR 8003, Paris City University, SSPIN Neuroscience Institute, Saint-Germain Campus, Paris, Île de France 75006, France.
Background: HA14-1 is a small-molecule, stable B-cell lymphoma 2 (Bcl-2) antagonist that promotes apoptosis in malignant cells through an incompletely-defined mechanism of action. Bcl-2 and related anti-apoptotic proteins, such as B-cell lymphoma-extra-large [Bcl-XL]), are predominantly localized to the outer mitochondrial membrane, where they regulate cell death pathways. However, the notably short half-life of HA14-1 limits its potential therapeutic application.
View Article and Find Full Text PDFSuccessful treatment of a mixed candidal and bacterial skull base osteomyelitis with antimicrobial agents and hyperbaric oxygen therapy-A rare case report.
Kaohsiung J Med Sci
January 2025
Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
Unusual Iron-Independent Ferroptosis-like Cell Death Induced by Photoactivation of a Typical Iridium Complex for Hypoxia Photodynamic Therapy.
ACS Appl Mater Interfaces
January 2025
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, P.R. China.
Ferroptosis is a unique cell death mode that relies on iron and lipid peroxidation (LPO) and is extensively utilized to treat drug-resistant tumor. However, like the other antitumor model, requirement of oxygen limited its application in treating the malignant tumors in anaerobic environments, just as photodynamic therapy, a very promising anticancer therapy. Here, we show that an iridium(III) complex (Ir-dF), which was often used in proton-coupled electron transport (PCET) process, can induce efficient cell death upon photo irradiation, which can be effectively protected by the typical ferroptosis inhibitor Fer-1 but not by the classic iron chelating agents and ROS scavengers.
View Article and Find Full Text PDFOptimizing Photobiomodulation Radiometric and Spectral Parameters In Vitro to Enhance Angiogenesis and Mitochondrial Function.
Int J Mol Sci
December 2024
Laboratory for Functional and Metabolic Imaging (LIFMET), Institute of Physics, Swiss Federal Institute of Technology (EPFL), Station 3, 1015 Lausanne, Switzerland.
Photobiomodulation (PBM) therapy, a therapeutic approach utilizing low-level light, has garnered significant attention for its potential to modulate various biological processes. This study aimed at optimizing and investigating the effects of PBM on angiogenesis and mitochondrial metabolic activity. In vitro experiments using human umbilical vein endothelial cells (HUVECs) and vascular smooth muscle cells (VSMCs) were performed to assess PBM's impacts on cell migration, proliferation, endogenous protoporphyrin IX production, mitochondrial membrane potential, Rhodamine 123 fluorescence lifetime, mitochondrial morphology, and oxygen consumption.
View Article and Find Full Text PDFAn exploration of healthcare professionals' knowledge and perceived barriers about acute oxygen therapy: a survey in a tertiary care hospital, Sudan.
BMC Med Educ
December 2024
Faculty of Medicine, Al-Neelain University, Khartoum, Sudan.
Background: Oxygen is an essential drug that is commonly used in clinical practice, and its misadministration can result in severe consequences. This research sought to evaluate the knowledge and perceptions of physicians and nurses regarding acute oxygen therapy and delivery barriers.
Methodology: This was a cross-sectional hospital-based survey.
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