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Polyunsaturated fatty acids (PUFAs), fatty acids with multiple unsaturated carbon-carbon bonds, constitute a crucial class of lipids. While the vast diversity of PUFA species arises from their structural variations, most of them are poorly investigated due to their limited availability. Here, we utilize solid-phase synthesis of PUFAs, which we have recently developed, to construct a PUFA library. With the library, we investigate agonist activities for free fatty acid receptors 1 (FFAR1) and 4 (FFAR4), inhibition abilities against neutrophil pseudopod formation, and anti-inflammatory effects on the hypersensitivity mouse model. This study highlights the utility of PUFA solid-phase synthesis as a powerful approach for elucidating the relationship between the chemical structures of PUFAs and their biological functions.
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http://dx.doi.org/10.1039/d5ra04836b | DOI Listing |
Org Lett
September 2025
Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
The synthesis of tirzepatide relies heavily on solid phase peptide synthesis (SPPS), a process that is both costly and time-consuming. In this paper, a novel soluble liquid-phase assisted (LPPS) strategy for the efficient synthesis of tirzepatide is presented. The efficacy of the method is based on the distinct solubility properties of the soluble tag, which enables high yield synthesis while significantly reducing wastage of amino acids and solvents.
View Article and Find Full Text PDFRSC Adv
September 2025
Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
Polyunsaturated fatty acids (PUFAs), fatty acids with multiple unsaturated carbon-carbon bonds, constitute a crucial class of lipids. While the vast diversity of PUFA species arises from their structural variations, most of them are poorly investigated due to their limited availability. Here, we utilize solid-phase synthesis of PUFAs, which we have recently developed, to construct a PUFA library.
View Article and Find Full Text PDFFood Sci Nutr
September 2025
Department of Biological Sciences, School of Science Hampton University Hampton Virginia USA.
Lemon balm (), a perennial herb belonging to the Lamiaceae family, is widely recognized for its medicinal properties and therapeutic benefits. This review offers a detailed exploration of the botanical features, phytochemical composition, and pharmacological uses of , highlighting key bioactive compounds such as phenolic acids (including rosmarinic and caffeic acids), flavonoids, essential oils (such as citral and citronellal), and triterpenoids (ursolic and oleanolic acids). Advanced extraction techniques, such as ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), pressurized liquid extraction (PLE), supercritical fluid extraction (SFE), and matrix solid-phase dispersion (MSPD), have greatly improved the efficiency of extraction, the preservation of bioactivity, and the sustainability of acquiring these bioactive compounds.
View Article and Find Full Text PDFChem Sci
September 2025
Molecular AI, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca Gothenburg Sweden
Incorporating non-natural amino acids (NNAAs) into peptides enhances therapeutic properties, including binding affinity, metabolic stability, and half-life time. The pursuit of novel NNAAs for improved peptide designs faces the challenge of effective synthesis of these building blocks as well as the entire peptide itself. Solid-Phase Peptide Synthesis (SPPS) is an essential technology for the automated assembly of peptides with NNAAs, necessitating careful protection for effective coupling of amino acids in the peptide chain.
View Article and Find Full Text PDFAdv Sci (Weinh)
September 2025
Department Chemie- und Bioingenieurwesen, Lehrstuhl für Chemische Reaktionstechnik (CRT), Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Egerlandstr. 3, 91058, Erlangen, Germany.
The supported catalytically active liquid metal solution (SCALMS) concept is based on catalytically active metals dissolved in a low-melting-point liquid metal matrix. These solid alloy particles, deposited over a high area support, transform into a liquid alloy under reaction conditions. In this work, GaPt SCALMS materials of varying composition are investigated and focus on the change in the alloy composition during preheating, the actual high temperature propane dehydrogenation at 823 K, and after cool-down.
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