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Simultaneous Induction of Immunogenic Pyroptosis and PD-L1 Downregulation by One Single Photosensitizer for Synergistic Cancer Photoimmunotherapy.
J Med Chem
January 2025
Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, P. R. China.
Pyroptosis, an excellent form of immunogenic cell death that can effectively activate antitumor immune responses, is attracting considerable interest as a promising approach for cancer immunotherapy. Immunogenic pyroptosis can recruit and stimulate dendritic cells to provoke further activation and tumor infiltration of T cells by releasing danger-associated molecular patterns, thus improving the tumor response to PD-1/PD-L1 checkpoint blockade immunotherapy. Here, we report the discovery of a bifunctional photosensitizer Nile Violet that can simultaneously trigger caspase-3/GSDME-mediated immunogenic pyroptosis and PD-L1 downregulation for cancer photoimmunotherapy.
View Article and Find Full Text PDFZW sex chromosome differentiation in paleognathous birds is associated with mitochondrial effective population size but not mitochondrial genome size or mutation rate.
Genome Biol Evol
January 2025
Department of Molecular and Cell Biology, University of California-Merced, Merced, CA 95343.
Eukaryotic genome size varies considerably, even among closely related species. The causes of this variation are unclear, but weak selection against supposedly costly "extra" genomic sequences has been central to the debate for over 50 years. The mutational hazard hypothesis, which focuses on the increased mutation rate to null alleles in superfluous sequences, is particularly influential, though challenging to test.
View Article and Find Full Text PDFQM Investigation of Rare Earth Ion Interactions with First Hydration Shell Waters and Protein-Based Coordination Models.
J Phys Chem B
January 2025
Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States.
Conventional methods for extracting rare earth metals (REMs) from mined mineral ores are inefficient, expensive, and environmentally damaging. Recent discovery of lanmodulin (LanM), a protein that coordinates REMs with high-affinity and selectivity over competing ions, provides inspiration for new REM refinement methods. Here, we used quantum mechanical (QM) methods to investigate trivalent lanthanide cation (Ln) interactions with coordination systems representing bulk solvent water and protein binding sites.
View Article and Find Full Text PDFValorization of Cocoa and Peach-Palm Wastes for the Production of Amylases by Pleurotus pulmonarius CCB19 and Its Application as an Additive in Commercial Detergents.
Appl Biochem Biotechnol
January 2025
Department of Biological Sciences, UESC - Universidade Estadual de Santa Cruz, Rodovia Jorge Amado, Km 16, Ilhéus, BA, 45662-900, Brazil.
In the context of agribusiness, the agricultural and livestock sectors generate a considerable quantity of waste on a daily basis. Solid-state fermentation (SSF) represents a potential alternative for mitigating the adverse effects of residue accumulation and for producing high-value products such as enzymes. Pleurotus pulmonarius is capable of producing a number of commercial enzymes, including amylases.
View Article and Find Full Text PDFAssessment of Lactobacillus acidophilus (L. acidophilus) therapeutic and prophylactic role in rats experimentally infected with Blastocystis subtype 3 (ST3).
Parasitol Res
January 2025
Medical Parasitology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
Blastocystis, an eukaryote, inhabits the intestinal tract of humans and animals worldwide. Lactobacillus acidophilus (L. acidophilus), a probiotic, has been reported to be effective against blastocystosis.
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