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Nicotinamide n-methyltransferase inhibitor synergizes with sodium-glucose cotransporter 2 inhibitor to protect renal tubular epithelium in experimental models of type 2 diabetes mellitus.
J Diabetes Complications
January 2025
Department of Pathology, School of Basic Medical Sciences, Fudan University, 138 Yixueyuan Road, Shanghai 200032, China. Electronic address:
Aims: We aim to explore the potential of nicotinamide n-methyltransferase (NNMT) as a sensitive marker of renal tubular injury and the possibility of an NNMT inhibitor to combine with sodium-glucose cotransporter 2 (SGLT2) inhibitor to protect proximal tubular epithelium in vivo and in vitro model of Type 2 diabetes mellitus (T2DM), respectively.
Methods: In vivo, immunohistochemical staining, Masson's trichrome staining and Sirius red staining were used to observe the changes of NNMT expression, renal tubular injury and interstitial fibrosis in renal tissue from the db/db mice. Bioinformatic analysis was also conducted to broaden the range of data validation.
Viscoelastic hydrogel combined with dynamic compression promotes osteogenic differentiation of bone marrow mesenchymal stem cells and bone repair in rats.
Regen Biomater
November 2024
Medical 3D Printing Center, Orthopedic Institute, Department of Orthopedic Surgery, The First Affiliated Hospital, Suzhou Medical College, Soochow University, Suzhou, Jiangsu 215000, PR China.
A biomechanical environment constructed exploiting the mechanical property of the extracellular matrix and external loading is essential for cell behaviour. Building suitable mechanical stimuli using feasible scaffold material and moderate mechanical loading is critical in bone tissue engineering for bone repair. However, the detailed mechanism of the mechanical regulation remains ambiguous.
View Article and Find Full Text PDFDifferential pathological changes in colon microenvironments in acute and chronic mouse models of inflammatory bowel disease.
Anim Cells Syst (Seoul)
January 2025
Department of Microbiology, Graduate School of Medicine, Gachon University, Incheon, South Korea.
Inflammatory bowel disease is a chronic condition characterized by inflammation of the gastrointestinal tract, resulting from an abnormal immune response to normal stimuli, such as food and intestinal flora. Since the etiology of this disease remains largely unknown, murine models induced by the consumption of dextran-sodium sulfate serve as a pivotal tool for studying colon inflammation. In this study, we employed both acute and chronic colitis mouse models induced by varying durations of dextran-sodium sulfate consumption to investigate the pathological and immunologic characteristics throughout the disease course.
View Article and Find Full Text PDFComparison of different decellularization methods for human anterior lens capsules.
BMC Ophthalmol
January 2025
Eye Institute, Affiliated Hospital of Nantong University, Nantong, Jiangsu Province, China.
Background: Human anterior lens capsules (ALCs) have great potential in the treatment of multiple eye diseases, including corneal ulcers, glaucoma, age-related macular degeneration and macular holes. ALCs are also regarded as promising scaffolds for various ocular cells. Here, we investigated different decellularization methods for removing lens epithelial cells (LECs) that adhered to ALCs.
View Article and Find Full Text PDFIL-17A mediates inflammation-related retinal pigment epithelial cells injury ERK signaling pathway.
Int J Ophthalmol
January 2025
Department of Ophthalmology, Shanghai General Hospital (Shanghai First People's Hospital), Shanghai Jiao Tong University, School of Medicine, Shanghai 200080, China.
Aim: To investigate whether interleukin-17A (IL-17A) gets involved in the mechanisms of inflammation-related retinal pigment epithelium (RPE) cells injury and its significance in age-related macular degeneration (AMD).
Mrthods: A sodium iodate (NaIO) mouse model as well as mice were established. The effects of inflammatory cytokines in RPE cells and retinal microglia before and after NaIO modeling and , were investigated using immunofluorescence, immunoprotein blotting, and quantitative real-time fluorescence polymerase chain reaction (qRT-PCR), respectively.
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