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Chemical proteomic profiling of lysine crotonylation using minimalist bioorthogonal probes in mammalian cells.
Chem Sci
January 2025
Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking University Beijing 100871 China
Protein lysine crotonylation has been found to be closely related to the occurrence and development of various diseases. Currently, site identification of crotonylation is mainly dependent on antibody enrichment; however, due to the cost, heterogeneity, and specificity of antibodies, it is desired to develop an alternative chemical tool to detect crotonylation. Herein, we report an alkynyl-functionalized bioorthogonal chemical probe, Cr-alkyne, for the detection and identification of protein lysine crotonylation in mammalian cells.
View Article and Find Full Text PDFDetailed Structural Elucidation of Antibody-Drug Conjugate Biotransformation Species Using High Resolution Multiple Reaction Monitoring Mass Spectrometry with Orthogonal Dissociation Methods.
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Integrated Bioanalysis, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, 121 Oyster Point Blvd, South San Francisco, California 94080, United States.
Antibody-drug conjugates (ADCs) are a promising drug modality substantially expanding in both the discovery space and clinical development. Assessing the biotransformation of ADCs and is important in understanding their stability and pharmacokinetic properties. We previously reported biotransformation pathways for the anti-B7H4 topoisomerase I inhibitor ADC, AZD8205, puxitatug samrotecan, that underpin its structural stability using an intact protein liquid chromatography-high resolution mass spectrometry (LC-HRMS) approach.
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School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
This study aims to investigate the mechanism of Diels et Gilg flavonoids (THF) on acute hepatic injury (AHI). First, high-performance liquid chromatography (HPLC) fingerprints were established to obtain the main chemical components of THF. According to the network pharmacology databases, collect active targets of AHI and potential targets.
View Article and Find Full Text PDFTherapeutic Innovations in Nanomedicine: Exploring the Potential of Magnetotactic Bacteria and Bacterial Magnetosomes.
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Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center RAS, Kazan, Russian Federation.
Nanotechnology has emerged as a revolutionary domain with diverse applications in medicine, and one of the noteworthy developments is the exploration of bacterial magnetosomes acquired from magnetotactic bacteria (MTB) for therapeutic purposes. The demand for natural nanomaterials in the biomedical field is continuously increasing due to their biocompatibility and eco-friendly nature. MTB produces uniform, well-ordered magnetic nanoparticles inside the magnetosomes, drawing attention due to their unique and remarkable features.
View Article and Find Full Text PDFActivated sludge prokaryote and eukaryote characterization in a pulp mill facility using amplicon sequencing.
Heliyon
July 2024
Bioinformatics Unit, Institut Pasteur de Montevideo, Montevideo, Uruguay.
The pulp and paper industry, a major global sector, supports economies and jobs while contributing to various products. While providing valuable products, and despite Best Available Techniques (BAT) being used, managing wastewater effectively remains a key area for developing technologies and alternatives for environmental protection. Activated sludge (AS) systems are commonly used for effluent treatment, where microorganisms composition influences reactor efficiency.
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