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Herein, we report the discovery and structure-activity relationships (SAR) of 2-substituted glutamylanilides as novel probes of the steric environment comprising the amino acid binding domain of alanine-serine-cysteine transporter subtype 2 (ASCT2). Focused library development led to three novel, highly potent ASCT2 inhibitors, with N-(2-(morpholinomethyl)phenyl)-L-glutamine exhibiting the greatest potency in a live-cell glutamine uptake assay. This level of potency represents a three-fold improvement over the most potent, previously reported inhibitor in this series, GPNA. Furthermore, this and other compounds in the series exhibit tractable chemical properties for further development as potential therapeutic leads.
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http://dx.doi.org/10.1016/j.bmcl.2014.10.098 | DOI Listing |
Phys Rev Lett
August 2025
The University of Queensland, School of Mathematics and Physics, Brisbane, QLD 4072, Australia.
We propose a two parameters extension of the flat ΛCDM model to capture the impact of matter inhomogeneities on our cosmological inference. Non virialized but nonlinearly evolving overdense and underdense regions, whose abundance is quantified using the Press-Schechter formalism, are collectively described by two effective perfect fluids ρ_{c}, ρ_{v} with nonvanishing equation of state parameters w_{c,v}≠0. These fluids are coupled to the pressureless dust, akin to an interacting DM-DE scenario.
View Article and Find Full Text PDFJ Invasive Cardiol
September 2025
Newark Beth Israel Medical Center, Newark, New Jersey.
Objectives: The authors hypothesized that the origin of the right coronary artery (RCA) is a direct continuation of the major aortic arch branches (MAAB) takeoff plane, which may have implications for brachiocephalic interventions and next generation transcatheter aortic valve intervention (TAVI) embolic protection devices (EPDs).
Methods: In this single-center, retrospective, cross-sectional study, the authors analyzed computed tomographic angiography (CTA) images from 92 patients undergoing TAVI evaluation to determine the spatial relationship between the origin of the RCA and the MAAB takeoff plane. Patients with prior cardiothoracic or aortic interventions and those with anomalous RCA origin were excluded.
J Synchrotron Radiat
November 2025
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China.
Synchrotron light sources are powerful platforms for cutting-edge, multidisciplinary research, with dozens currently in operation, construction or commissioning worldwide. It is widely recognized that different research areas have specific demands for source capabilities. For the majority of synchrotron facilities, delivering high-brightness, high-flux synchrotron radiation stably through high-current electron beams is the primary mode of operation.
View Article and Find Full Text PDFAppl Environ Microbiol
September 2025
Department of Biology, University of Regina, Regina, Saskatchewan, Canada.
Unlabelled: Bovine respiratory disease (BRD) is the primary disease of cattle and is responsible for most of the antibiotic use in the beef industry, both for metaphylaxis and treatment. Infection prevention and targeted treatments would benefit from detecting and identifying bacterial pathogens and, ideally, assessing antibiotic sensitivity. Here, we report success refining targeted metagenomics by hybridization capture sequencing (CapSeq) to detect and genotype bacterial pathogens and genes for antibiotic resistance in BRD.
View Article and Find Full Text PDFNucleosides Nucleotides Nucleic Acids
September 2025
School of Basic Medical Sciences, Yan'an University, Yan'an, China.
Live-cell imaging of intracellular proteins enables real-time observation of protein dynamics under near-physiological conditions, providing pivotal insights for both fundamental life science research and medical applications. However, due to limitations such as poor probe permeability and cytotoxicity associated with conventional antibody-based or genetically encoded labeling techniques, live-cell imaging remains a significant challenging. To address these limitations, here in this study, we developed and rigorously validated a novel aptamer-based fluorescent probe for real-time imaging of NEK9 kinase in living cells.
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