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Alterations of amino acids in older adults with Alzheimer's Disease and Vascular Dementia.
Amino Acids
January 2025
Institute of Brain Science, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, P. R. China.
Metabolomics provide a promising tool for understanding dementia pathogenesis and identifying novel biomarkers. This study aimed to identify amino acid biomarkers for Alzheimer's Disease (AD) and Vascular Dementia (VD). By amino acid metabolomics, the concentrations of amino acids were determined in the serum of AD and VD patients as well as age-matched healthy controls.
View Article and Find Full Text PDFAlterations in newborn metabolite patterns with preterm birth and diabetes in pregnancy.
Pediatr Res
January 2025
Department of Pediatrics, Yale School of Medicine, Yale University, New Haven, CT, USA.
Background: This study examines the influence of prematurity and diabetes (DM) in pregnancy on metabolite patterns at birth, and associations with adiposity development in a prospective cohort.
Methods: Term and preterm (30-36 weeks gestational age [GA]) infants were enrolled and body composition assessments completed through discharge. Targeted metabolomics was used to assess metabolites in cord or infant blood in the first 2 days.
Oral administration of LEAP2 enhances immunity against Edwardsiella tarda through regulation of gut bacterial community and metabolite in mudskipper.
Fish Shellfish Immunol
January 2025
State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, School of Marine Sciences, Ningbo University, Ningbo 315211, P.R. China; Laboratory of Biochemistry and Molecular Biology, School of Marine Sciences, Meishan Campus, Ningbo University, Ningbo 315832, China; Key Laboratory of Aquacultural Biotechnology of Ministry of Education, Ningbo University, Ningbo 315211, P.R. China. Electronic address:
The liver-expressed antimicrobial peptide 2 (LEAP2) is gaining recognition for its immune regulatory functions beyond direct antimicrobial activity. In this study, we investigated the role of mudskipper (Boleophthalmus pectinirostris) LEAP2 (BpLEAP2) in enhancing the survival, gut health, and immune resilience against Edwardsiella tarda infection. Pre-oral delivery of BpLEAP2 significantly improved survival rates and mitigated infection-induced damage to the gut, as evidenced by preserved villus length and goblet cell count.
View Article and Find Full Text PDFThe conserved lysine residue in transmembrane helix 5 is pivotal for the cytoplasmic gating of the L-amino acid transporters.
PNAS Nexus
January 2025
Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac 10, 08028 Barcelona, Spain.
L-Amino acid transporters (LATs) play a key role in a wide range of physiological processes. Defects in LATs can lead to neurological disorders and aminoacidurias, while the overexpression of these transporters is related to cancer. BasC is a bacterial LAT transporter with an APC fold.
View Article and Find Full Text PDFA murine model of acute and prolonged abdominal sepsis, supported by intensive care, reveals time-dependent metabolic alterations in the heart.
Intensive Care Med Exp
January 2025
Clinical Division and Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, Herestraat 49, O&N1 Box 503, 3000, Louvain, Belgium.
Background: Sepsis-induced cardiomyopathy (SICM) often occurs in the acute phase of sepsis and is associated with increased mortality due to cardiac dysfunction. The pathogenesis remains poorly understood, and no specific treatments are available. Although SICM is considered reversible, emerging evidence suggests potential long-term sequelae.
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