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The TOXIN knowledge graph: supporting animal-free risk assessment of cosmetics.
Database (Oxford)
January 2025
Department of In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Laarbeeklaan 103, Brussels 1090, Belgium.
The European Union's ban on animal testing for cosmetic products and their ingredients, combined with the lack of validated animal-free methods, poses challenges in evaluating their potential repeated-dose organ toxicity. To address this, innovative strategies like Next-Generation Risk Assessment (NGRA) are being explored, integrating historical animal data with new mechanistic insights from non-animal New Approach Methodologies (NAMs). This paper introduces the TOXIN knowledge graph (TOXIN KG), a tool designed to retrieve toxicological information on cosmetic ingredients, with a focus on liver-related data.
View Article and Find Full Text PDFEnantiomer-Dependent Supramolecular Antibacterial Therapy for Drug-Resistant Bacterial Keratitis.
Langmuir
January 2025
National Engineering Research Center of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou 325027, China.
Bacteria have the potential to exhibit divergent stereochemical preferences for different levels of chiral structures, including from molecule, supramolecule, to nanomicroscale helical structure. Accordingly, the structure-activity relationship between chirality and bactericidal activity remains uncertain. In this study, we seek to understand the multivalent molecular chirality effect of chiral supramolecular polymers on antibacterial activity.
View Article and Find Full Text PDFTransition metal complexes: next-generation photosensitizers for combating Gram-positive bacteria.
Future Med Chem
January 2025
Department of Biophysics, School of Basic Medical Sciences, Health Science Centre, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R., China.
The rise of antibiotic-resistant Gram-positive bacterial infections poses a significant threat to public health, necessitating the exploration of alternative therapeutic strategies. A photosensitizer (PS) can convert energy from absorbed photon into reactive oxygen species (ROS) for damaging bacteria. This photoinactivation action bypassing conventional antibiotic mechanism is less prone to resistance development, making antibacterial photodynamic therapy (aPDT) highly efficient in combating Gram-positive bacteria.
View Article and Find Full Text PDFFrom Structure to Function: Isatin Derivatives as a Promising Class of Antiviral Agents.
Curr Drug Targets
January 2025
School of Pharmaceutical Sciences, Shoolini University, Solan, HP, India.
A range of heterocyclic compounds, including Isatin (oneH-indole-2, 3-dione) and its by-products, have been shown to represent potential unit blocks in the synthesis of potential medicinal agents. Numerous studies have been carried out on isatin, its synthesis, biological uses, and its chemical composition since when it was discovered. Functionally, these isatin-containing heterocycles have demonstrated antibacterial, antidiabetic, antiviral, antitubercular, and anticancer properties, among many others.
View Article and Find Full Text PDFAntileishmanial and Antitrypanosomal Trends of Synthetic Tetralone Derivatives.
Drug Dev Res
February 2025
Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia.
Leishmaniasis and trypanosomiasis are parasitic diseases that are closely linked to poverty, pose significant local burdens, and are common in tropical and subtropical regions. Various synthetic tetralone derivatives were studied as potential scaffolds for antileishmanial and antitrypanosomal activities. The compounds were studied for their effectiveness against multiple kinetoplastid protozoan pathogens: Leishmania major, Leishmania mexicana, and bloodstream trypomastigotes of Trypanosoma brucei brucei.
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