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Endoplasmic reticulum stress in liver fibrosis: Mechanisms and therapeutic potential.
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Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Institute of Innovative Drugs, Hefei, China; School of Pharmacy, Anhui Medical University, Hefei, China; Institute for Liver Diseases of Anhui Medical University, Hefei, China. Electronic address:
This paper reviews the important role of endoplasmic reticulum stress in the patho mechanism of liver fibrosis and its potential as a potential target for the treatment of liver fibrosis. Liver fibrosis is the result of sustained inflammation and injury to the liver due to a variety of factors, triggering excessive deposition of extracellular matrix and fibrous scar formation, which in turn leads to loss of liver function and a variety of related complications. Endoplasmic reticulum stress is one of the characteristics of chronic liver disease and is closely related to the pathological process of chronic liver disease, including alcohol-related liver disease, viral hepatitis, and liver fibrosis.
View Article and Find Full Text PDFDevelopment of a versatile system for evaluating the target protein degradation activity of novel ubiquitin ligases utilizing existing PROTACs.
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Department of Pharmacology and Therapeutic Innovation, Nagasaki University Graduate School of Biomedical Sciences, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan. Electronic address:
Proteolysis-Targeting Chimeras (PROTAC) are a bifunctional molecule that binds to a protein of interest (POI) and a ubiquitin ligase, thereby inducing the ubiquitination and degradation of POI. Many PROTACs currently utilize a limited number of ubiquitin ligases, such as von Hippel-Lindau (VHL) and Cereblon. Because these ubiquitin ligases are widely expressed in normal tissues, unexpected side effects can occur.
View Article and Find Full Text PDFSigma1 inhibitor suppression of adaptive immune resistance mechanisms mediated by cancer cell derived extracellular vesicles.
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Department of Pharmacology, Physiology, and Cancer Biology, Thomas Jefferson University, Philadelphia, PA, USA.
Adaptive immune resistance in cancer describes the various mechanisms by which tumors adapt to evade anti-tumor immune responses. IFN-γ induction of programmed death-ligand 1 (PD-L1) was the first defined and validated adaptive immune resistance mechanism. The endoplasmic reticulum (ER) is central to adaptive immune resistance as immune modulatory secreted and integral membrane proteins are dependent on ER.
View Article and Find Full Text PDFThe 40S ribosomal subunit recycling complex modulates mitochondrial dynamics and endoplasmic reticulum - mitochondria tethering at mitochondrial fission/fusion hotspots.
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Department of Biological Sciences, Dedman College of Humanities and Sciences, Southern Methodist University, Dallas, TX, 75275, USA.
The 40S ribosomal subunit recycling pathway is an integral link in the cellular quality control network, occurring after translational errors have been corrected by the ribosome-associated quality control (RQC) machinery. Despite our understanding of its role, the impact of translation quality control on cellular metabolism remains poorly understood. Here, we reveal a conserved role of the 40S ribosomal subunit recycling (USP10-G3BP1) complex in regulating mitochondrial dynamics and function.
View Article and Find Full Text PDFSagittaria sagittifolia polysaccharide extract regulates Nrf2 to improve endoplasmic reticulum stress-mediated apoptosis in rat cataracts and HLEB3 cells.
Int J Biol Macromol
January 2025
School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 102446, China. Electronic address:
Age-related cataract (ARC) remains the leading cause of blindness worldwide. Sagittaria sagittifolia polysaccharide (SSP) extract, a key component of Sagittaria sagittifolia L., exhibits anti-oxidant and anti-apoptotic effects with potential applications in ARC.
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