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Timosaponin B II as a novel KEAP1-NRF2 inhibitor to alleviate alcoholic liver disease:Receptor structure-based virtual screening and biological evaluation.
Chem Biol Interact
January 2025
Anhui Prevention and Control Engineering Research Center for Fatty Liver Disease, Hefei, Anhui, 230032,P. R. China; The Key Laboratory of Anti-inflammatory and Immune Medicines, Ministry of Education, Hefei, China; Inflammation and Immune-Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, China. Electronic address:
Oxidative stress induced by excess ethanol is an important factor in the progression of alcoholic liver disease (ALD). In recent years, inhibiting Kelch-like ECH-associated protein 1 (KEAP1) to activate the antioxidant regulator Nuclear factor erythroid 2-related factor 2 (NRF2) has been considered an effective strategy for treating oxidative stress-related diseases, but its application in ALD remains insufficiently explored. This study aims to discover high-affinity inhibitors targeting the KEAP1 receptor.
View Article and Find Full Text PDFYeokwisan: Standardised Herbal Formula Enhancing Gastric Mucosal Protection Against Gastric Ulcers in Mice, a Preclinical Study.
Pharmaceuticals (Basel)
January 2025
KM Science Research Division, Korea Institute of Oriental Medicine, Daejeon 34054, Republic of Korea.
: Yeokwisan (YWS) is a standardised herbal formula for relieving functional dyspepsia symptoms. : We explored the therapeutic value of YWS and its potential effects on gastritis. Its inhibitory effect on gastric mucosal damage and anti-inflammatory activity in animal models of alcohol- and restraint stress-induced gastritis were also examined.
View Article and Find Full Text PDFNatural Bioactive Compounds Exerting Health-Promoting Effects by Ameliorating Oxidative Stress.
Antioxidants (Basel)
January 2025
Guangdong Provincial Key Laboratory IRADS, Department of Life Sciences, BNU-HKBU United International College, Zhuhai 519087, China.
Oxidative stress is caused by various intrinsic and extrinsic factors [...
View Article and Find Full Text PDFKey Role of Phosphorylation in Small Heat Shock Protein Regulation via Oligomeric Disaggregation and Functional Activation.
Cells
January 2025
Department of Ophthalmology & Visual Sciences, The University of Michigan, Ann Arbor, MI 48109, USA.
Heat shock proteins (HSPs) are essential molecular chaperones that protect cells by aiding in protein folding and preventing aggregation under stress conditions. Small heat shock proteins (sHSPs), which include members from HSPB1 to HSPB10, are particularly important for cellular stress responses. These proteins share a conserved α-crystallin domain (ACD) critical for their chaperone function, with flexible N- and C-terminal extensions that facilitate oligomer formation.
View Article and Find Full Text PDFThe Differential Expressions and Associations of Intracellular and Extracellular GRP78/Bip with Disease Activity and Progression in Rheumatoid Arthritis.
Bioengineering (Basel)
January 2025
Department of Orthopedics, The Affiliated Jinling Hospital of Nanjing Medical University, Nanjing 211166, China.
GRP78/BiP, a stress-induced protein and autoantigen in rheumatoid arthritis (RA), exhibits different expressions in various biological fluids and tissues, including blood, synovial fluid (SF), and synovium, all of which are pertinent to the disease activity and progression of RA; however, there is a scarcity of data linking both intracellular and extracellular GRP78/Bip to disease activity and progression of RA. This study was undertaken to investigate the differential expression of GRP78/Bip in blood, SF, and synovium, and to determine their association with disease activity and progression of RA. Patients with RA, osteoarthritis (OA), and traumatic meniscal injury (TMI) without radiographic OA were consecutively recruited for the study.
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