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Trehalose enhances macrophage autophagy to promote myelin debris clearance after spinal cord injury.
Cell Biosci
January 2025
Department of Orthopaedics, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
Background: Myelin-laden foamy macrophages accumulate extensively in the lesion epicenter, exhibiting characteristics of autophagolysosomal dysfunction, which leads to prolonged inflammatory responses after spinal cord injury (SCI). Trehalose, known for its neuroprotective properties as an autophagy inducer, has yet to be fully explored for its potential to mitigate foamy macrophage formation and exert therapeutic effects in the context of SCI.
Results: We observed that trehalose significantly enhances macrophage phagocytosis and clearance of myelin in a dose-dependent manner in vitro.
Epidermal stem cell derived exosomes-induced dedifferentiation of myofibroblasts inhibits scarring via the miR-203a-3p/PIK3CA axis.
J Nanobiotechnology
January 2025
Department of Burns, Wound Repair and Reconstruction, First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong, 510080, China.
Hypertrophic scar (HS) is a common fibroproliferative disorders with no fully effective treatments. The conversion of fibroblasts to myofibroblasts is known to play a critical role in HS formation, making it essential to identify molecules that promote myofibroblast dedifferentiation and to elucidate their underlying mechanisms. In this study, we used comparative transcriptomics and single-cell sequencing to identify key molecules and pathways that mediate fibrosis and myofibroblast transdifferentiation.
View Article and Find Full Text PDFBone marrow mesenchymal stem cell-derived extracellular vesicles alleviate diabetes-exacerbated atherosclerosis via AMPK/mTOR pathway-mediated autophagy-related macrophage polarization.
Cardiovasc Diabetol
January 2025
Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, No.2 Anzhen Road, Chaoyang District, 100029, Beijing, China.
Introduction: Bone marrow-derived mesenchymal stem cell-derived extracellular vesicles (BMSC-EVs) are widely used for therapeutic purposes in preclinical studies. However, their utility in treating diabetes-associated atherosclerosis remains largely unexplored. Here, we aimed to characterize BMSC-EV-mediated regulation of autophagy and macrophage polarization.
View Article and Find Full Text PDFTegaserod maleate exerts anti-tumor effects on prostate cancer via repressing sonic hedgehog signaling pathway.
Mol Med
January 2025
Department of Urology, The Fifth Affiliated Hospital of Southern Medical University, Guangzhou, 510920, Guangdong, People's Republic of China.
Prostate cancer (PCa) is a highly common type of malignancy and affects millions of men in the world since it is easy to recur or emerge therapy resistance. Therefore, it is urgent to find novel treatments for PCa patients. In the current study, we found that tegaserod maleate (TM), an FDA-approved agent, inhibited proliferation, colony formation, migration as well as invasion, caused the arrest of the cell cycle, and promoted apoptosis of PCa cells in vitro.
View Article and Find Full Text PDFDioscin pretreatment ameliorates ferroptosis in cardiomyocytes after myocardial infarction via inhibiting endoplasmic reticulum stress.
Mol Med
January 2025
The First People's Hospital of Lin'an District, No. 360, Yikang Street, Jinnan Subdistrict, Lin'an District, Hangzhou, Zhejiang, 311300, China.
Background: Myocardial infarction (MI) remains a leading cause of mortality globally, often resulting in irreversible damage to cardiomyocytes. Ferroptosis, a recently identified form of regulated cell death driven by iron-dependent lipid peroxidation, has emerged as a significant contributor to post-MI cardiac injury. The endoplasmic reticulum (ER) stress response has been implicated in exacerbating ferroptosis.
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