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Revisiting the Metabolism of Donepezil in Rats Using Non-Targeted Metabolomics and Molecular Networking.
Pharmaceutics
January 2025
BK21 FOUR KNU Community-Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea.
: Although donepezil, a reversible acetylcholinesterase inhibitor, has been in use since 1996, its metabolic characteristics remain poorly characterized. Therefore, this study aims to investigate the in vivo metabolism of donepezil using liquid chromatography-high-resolution mass spectrometry (LC-HRMS) based on a molecular networking (MN) approach integrated with a non-targeted metabolomics approach. : After the oral administration of donepezil (30 mg/kg) in rats, urine, feces, and liver samples were collected for LC-HRMS analysis.
View Article and Find Full Text PDFFunctional Characterization of Two Polymerizing Glycosyltransferases for the Addition of -Acetyl-d-galactosamine to the Capsular Polysaccharide of .
Biochemistry
January 2025
Department of Chemistry, Texas A&M University, College Station, Texas 77842, United States.
The exterior surface of the human pathogen is coated with a capsular polysaccharide (CPS) that consists of a repeating sequence of 2-5 different sugars that can be modified with various molecular decorations. In the HS:2 serotype from strain NCTC 11168, the repeating unit within the CPS is composed of d-ribose, -acetyl-d-galactosamine, and a d-glucuronic acid that is further amidated with either serinol or ethanolamine. The d-glucuronic acid moiety is also decorated with d-glycero-l-gluco-heptose.
View Article and Find Full Text PDFXylooligosaccharide and Akkermansia muciniphila synergistically ameliorate insulin resistance by reshaping gut microbiota, improving intestinal barrier and regulating NKG2D/NKG2DL signaling in gestational diabetes mellitus mice.
Food Res Int
February 2025
Department of Nutrition and Food Hygiene, NMPA Key Laboratory for Safety Evaluation of Cosmetics, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, 1026. Shatai South Road, Guangzhou 510515, Guangdong, PR China; Department of Clinical Nutrition, Nanfang Hospital, Southern Medical University, 1838. Guangzhou Avenue North, Guangzhou 510515, Guangdong, PR China. Electronic address:
Xylooligosaccharides (XOS) ameliorate insulin resistance (IR) in gestational diabetes mellitus (GDM) probably by propagating Akkermansia muciniphila (Akk). This study aimed to investigate the effects and mechanisms of XOS, Akk and combination on IR in GDM mice/pseudo-germ-free (PGF) mice. Female mice were fed with AIN-93 (n = 19) and high fat diet (HFD) (n = 206).
View Article and Find Full Text PDFSynthetic β-d-Glucuronides: Substrates for Exploring Glucuronide Degradation by Human Gut Bacteria.
ACS Omega
January 2025
Department of Biochemistry, Cell and Systems Biology, ISMIB, University of Liverpool, Crown Street, Liverpool L69 7ZB, U.K.
The human gut microbiota (HGM) is a complex ecosystem subtly dependent on the interplay between hundreds of bacterial species and numerous metabolites. Dietary phenols, whether ingested (e.g.
View Article and Find Full Text PDFInducible engineering precursor metabolic flux for synthesizing hyaluronic acid of customized molecular weight in Streptococcus zooepidemicus.
Microb Cell Fact
January 2025
MOE Key Laboratory of Industrial Fermentation Microbiology, College of Biotechnology, Tianjin University of Science and Technology, Tianjin, 300457, P. R. China.
Background: Hyaluronic acid (HA) is extensively employed in various fields such as medicine, cosmetics, food, etc. The molecular weight (MW) of HA is crucial for its biological functions. Streptococcus zooepidemicus, a prominent HA industrial producer, naturally synthetizes HA with high MW.
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