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Discov Oncol
January 2025
Department of Oncology, Yanbian University Hospital, Yanji, 133000, China.
Background: Recent studies have highlighted the role of RNA modification, that is, the dysregulation of epitranscriptomics, in tumorigenesis and progression. The potential for undoing epigenetic changes may develop novel therapeutic and prognostic approaches. However, the roles of these RNA modifications in the tumor microenvironment (TME) are still unknown.
View Article and Find Full Text PDFACS Med Chem Lett
January 2025
Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Korea.
The A Adenosine Receptor (AAR) is an important therapeutic target due to its role in inflammation and immune response regulation. Herein, we synthesized and evaluated 5'-deoxy-adenosine derivatives with oxygen at the 4'-position, comparing them to previously studied 4'-thionucleosides. Compound exhibited the highest binding affinity ( = 5.
View Article and Find Full Text PDFIntroduction: Advanced glycation end products (AGEs) play a critical role in the development of vascular diseases in diabetes. Although stem cell therapies often involve exposure to AGEs, the impact of this environment on extracellular vesicles (EVs) and endothelial cell metabolism remains unclear.
Methods: Human umbilical cord mesenchymal stem cells (MSCs) were treated with either 0 ng/ml or 100 ng/ml AGEs in a serum-free medium for 48 hours, after which MSC-EVs were isolated.
Cornea
January 2025
Department of Ophthalmology, Rothschild Foundation, Paris, France; and.
Purpose: The purpose of this study was to investigate the effect of hypoxia and hypobaric conditions on refraction and central corneal thickness on healthy corneas during an ascent without oxygen supplementation above 7000 m (23 000 ft).
Methods: Twelve multinational mountaineers were included in a prospective observational cohort study during an expedition to the Korzhenevskoi Peak (7105 m). The two patients excluded from the study had a history with keratoconus or were current wearers of rigid contact lenses.
Methods Mol Biol
January 2025
Estrella Mountain Community College, Phoenix, AZ, USA.
Vacuole fusion is driven by SNARE proteins that require activation-or priming-by the AAA+ protein Sec18 (NSF) before they can bring membranes together and trigger the merger of two bilayers into a continuous membrane. Sec18 resides on vacuoles prior to engaging inactive cis-SNARE complexes through its interaction with the regulatory lipid phosphatidic acid (PA). Binding PA causes Sec18 to undergo large conformational changes that keeps it bound to the membrane, thus precluding its interactions with SNAREs.
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