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Independently engaging protein tethers of different length enhance synaptic vesicle trafficking to the plasma membrane.
J Physiol
January 2025
Department of Neuroscience, University of Copenhagen, Copenhagen, Denmark.
Synaptic vesicle (SV) trafficking toward the plasma membrane (PM) and subsequent SV maturation are essential for neurotransmitter release. These processes, including SV docking and priming, are co-ordinated by various proteins, such as SNAREs, Munc13 and synaptotagmin (Syt), which connect (tether) the SV to the PM. Here, we investigated how tethers of varying lengths mediate SV docking using a simplified mathematical model.
View Article and Find Full Text PDFAnalogue-Sensitive Inhibition of Histone Demethylases Uncovers Member-Specific Function in Ribosomal Protein Synthesis.
J Am Chem Soc
January 2025
Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, United States.
Lysine demethylases (KDMs) catalyze the oxidative removal of the methyl group from histones using earth-abundant iron and the metabolite 2-oxoglutarate (2OG). KDMs have emerged as master regulators of eukaryotic gene expression and are novel drug targets; small-molecule inhibitors of KDMs are in the clinical pipeline for the treatment of human cancer. Yet, mechanistic insights into the functional heterogeneity of human KDMs are limited, necessitating the development of chemical probes for precision targeting.
View Article and Find Full Text PDFProbiotics and Food Bioactives: Unraveling Their Impact on Gut Microbiome, Inflammation, and Metabolic Health.
Probiotics Antimicrob Proteins
January 2025
Operational Research Centre in Healthcare, Near East University, Nicosia, Cyprus.
This review paper delves into the role of probiotics and food bioactives in influencing gut health and overall well-being, within the context of probiotics and food bioactives, emphasizing their roles in modulating inflammation, gut microbiota, and metabolic health. Probiotics are defined as live microorganisms that confer health benefits to the host, primarily through their impact on the gut microbiome; a complex community of microorganisms crucial for maintaining health. The review aims to elucidate how probiotics, incorporated into both traditional and modern food systems, can enhance gut health and address metabolic disorders.
View Article and Find Full Text PDFPET/CT-based target volume definition in involved-site radiotherapy for treatment of early-stage nodal follicular lymphoma.
Strahlenther Onkol
January 2025
Department of Radiation Oncology, Heidelberg University Hospital, Heidelberg, Germany.
Purpose: Recent advancements in imaging, particularly 18F-fluorodeoxyglucose positron-emission tomography-computed tomography (FDG-PET/CT), have improved the detection of involved lymph nodes, thus influencing staging accuracy and potentially treatment outcomes. This study is a post hoc analysis of the GAZAI trial data to evaluate the impact of FDG-PET/CT versus computed tomography (CT) alone on radiation target volumes for involved-site radiotherapy (IS-RT) in early-stage follicular lymphoma (FL).
Methods: All patients in the GAZAI trial underwent pretherapeutic FDG-PET/CT examinations, which were subject to central quality control.
Contributions of short- and long-range white matter tracts in dynamic compensation with aging.
Cereb Cortex
January 2025
School of AIDE, Center for Brain Science and Applications, IIT Jodhpur, NH-62, Surpura Bypass Rd, Karwar, Rajasthan 342030, India.
Optimal brain function is shaped by a combination of global information integration, facilitated by long-range connections, and local processing, which relies on short-range connections and underlying biological factors. With aging, anatomical connectivity undergoes significant deterioration, which affects the brain's overall function. Despite the structural loss, previous research has shown that normative patterns of functions remain intact across the lifespan, defined as the compensatory mechanism of the aging brain.
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