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Isovitexin targets SIRT3 to prevent steroid-induced osteonecrosis of the femoral head by modulating mitophagy-mediated ferroptosis.
Bone Res
January 2025
The Department of Orthopedics, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
The death of osteoblasts induced by glucocorticoid (GC)-mediated oxidative stress plays a crucial role in the development of steroid-induced osteonecrosis of the femoral head (SIONFH). Improving bone formation driven by osteoblasts has shown promising outcomes in the prognosis of SIONFH. Isovitexin has demonstrated antioxidant properties, but its therapeutic effects on GC-induced oxidative stress and SIONFH remain unexplored.
View Article and Find Full Text PDFPathogenesis-Associated Bacterial Amyloids: The Network of Interactions.
Biochemistry (Mosc)
December 2024
Faculty of Biology, St. Petersburg State University, St. Petersburg, 199034, Russia. ARRAY(0x5ae2b7af6df8).
Amyloids are protein fibrils with a characteristic cross-β structure that is responsible for the unusual resistance of amyloids to various physical and chemical factors, as well as numerous pathogenic and functional consequences of amyloidogenesis. The greatest diversity of functional amyloids was identified in bacteria. The majority of bacterial amyloids are involved in virulence and pathogenesis either via facilitating formation of biofilms and adaptation of bacteria to colonization of a host organism or through direct regulation of toxicity.
View Article and Find Full Text PDFProteomic Profiling and Pre-Clinical Efficacy of Antimicrobial Lithium Complex and Colistin Combination against Multi-drug Resistant Acinetobacter baumannii.
Microb Pathog
January 2025
Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan. Electronic address:
Multi-drug resistant (MDR) Acinetobacter baumannii accounts for high mortality rates in hospital-acquired infections. Colistin is the last resort treatment despite nephrotoxic effects and the emergence of colistin resistant A. baumannii.
View Article and Find Full Text PDFAilanthone induces triple-negative breast cancer cells death involving the inhibition of OTUB1-mediated ERRα deubiquitylation.
J Adv Res
January 2025
Department of Pulmonary and Critical Care Medicine, Shenzhen Institute of Respiratory Diseases, Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics, Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong 518020, China; State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Artemisinin Research Center, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China. Electronic address:
Introduction: Triple-negative breast cancer (TNBC) remains the most aggressive subtype of breast cancer, and effective therapeutic strategies are needed. Estrogen-related receptor alpha (ERRα) is considered a promising target for managing TNBC.
Objectives: Here, we aimed to screen natural products to find downregulator of ERRα and elucidate its mechanism of action.
20-Deoxyingenol ester and ether derivatives: Synthesis, properties and cytotoxicity.
Bioorg Chem
January 2025
Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, Engineering Research Center of Natural Medicine Active Molecule Research & Development, Liaoning Province Key Laboratory of Natural Bioactive Compounds Discovery & Modification, Shenyang, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China. Electronic address:
The C-3 and C-5 substituted 20-deoxyingenol monoesters are important active components in Euphorbiaceae plants. Nonetheless, their similar physical properties make them difficult to distinguish. The present study developed fast and efficient rules for identifying the esterification sites of 20-deoxyingenol based on a series of chemical syntheses of monoesters and literature research, utilizing NMR spectroscopy, optical rotation analysis, and chromatographic retention behavior.
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