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| http://dx.doi.org/10.1172/JCI104180 | DOI Listing |
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Ameliorative Effects of Raisin Polyphenol Extract on Oxidative Stress and Aging In Vitro and In Vivo via Regulation of Sirt1-Nrf2 Signaling Pathway.
Foods
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College of Life Science and Technology, Xinjiang University, Urumqi 830017, China.
Raisins are an important source of polyphenolic compounds in plant foods, and polyphenols are associated with antioxidant and anti-aging activity. In this work, 628 polyphenols in raisin extracts were characterized using UPLC-MS/MS, mainly including tricetin 3'-glucuronide, diisobutyl phthalate, butyl isobutyl phthalate, isoquercitrin and 6-hydroxykaempferol-7-O-glucoside. The oxidative stress in HO-induced HepG2 cells and D-gal-induced aging mice was alleviated by raisin polyphenols (RPs) via increases in the cellular levels of superoxide dismutase (SOD), catalase (CAT) and glutathione (GSH), along with decreases in malonaldehyde (MDA), reactive oxygen species (ROS) and advanced glycosylation end-products (AGEs) levels.
View Article and Find Full Text PDFExploring the Impact of Pharmaceutical Excipient PEG400 on the Pharmacokinetics of Mycophenolic Acid Through In Vitro and In Vivo Experiments.
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State Key Laboratory of Functions and Applications of Medicinal Plants, School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550025, China.
Mycophenolic acid (MPA) is a commonly used immunosuppressant. In the human body, MPA is metabolized into mycophenolic acid 7-O-glucuronide (MPAG) and mycophenolic acid acyl-glucuronide (AcMPAG) mainly through liver glucuronidation, which involves UDP-glucuronosyltransferase (UGTs) and transfer proteins. Research has indicated that the pharmaceutical excipient PEG400 can impact drug processes in the body, potentially affecting the pharmacokinetics of MPA.
View Article and Find Full Text PDFSystematic Characterization of the Chemical Constituents of in Vitro and in Vivo of Astragali Radix-Salvia miltiorrhiza Herb Pair by Ultra-High-Performance-Liquid Chromatography-Orbitrap Mass Spectrometry.
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School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
Rationale: Astragali radix-Salvia miltiorrhiza (AR-SM) is an herb pair with good therapeutic effects and is widely used. In this study, the in vitro and in vivo components of AR-SM were quickly classified and identified based on UHPLC-orbital mass spectrometry. This provided a basis for clarifying the bioactive substances after compatibility of AR and SM.
View Article and Find Full Text PDFPrediction of SPT-07A Pharmacokinetics in Rats, Dogs, and Humans Using a Physiologically-Based Pharmacokinetic Model and In Vitro Data.
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Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China.
SPT-07A, a D-borneol, is currently being developed in China for the treatment of ischemic stroke. We aimed to create a whole-body physiologically-based pharmacokinetic (PBPK) model to predict the pharmacokinetics of SPT-07A in rats, dogs, and humans. The in vitro metabolism of SPT-07A was studied using hepatic, renal, and intestinal microsomes.
View Article and Find Full Text PDFAn Optimized and Sensitive UHPLC-ESI-Q-TOF/HRMS Demonstrated the Dynamic Profiling of Allantoin, N-trans-Feruloyl-3-Methoxytyramine, and N-p-Coumaroyltyramine from Portulaca oleracea L. In Vivo in Rats.
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January 2025
School of Pharmaceutical Sciences and Yunnan Provincial Key Laboratory of Pharmacology for Natural Medicines, Kunming Medical University, Kunming, Yunnan, People's Republic of China.
This study revealed the dynamic profiling of three main components of Portulaca oleracea L. in vivo in rats, namely allantoin (A), N-trans-feruloyl-3-methoxytyramine (M), and N-p-coumaroyltyramine (C). A sensitive and efficient UHPLC-ESI-Q-TOF/HRMS, including an optimized separation process, was applied to their qualitative and quantitative analysis.
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