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Characteristics of TSPO expression in marmoset EAE.
J Neuroinflammation
January 2025
Viral Immunology Section, National Institute of Neurological Diseases and Stroke, National Institutes of Health, Building 10, Room 5C103, 10 Center Drive, Bethesda, MD, 20892-1400, USA.
Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) and is a leading non-traumatic cause of disability in young adults. The 18 kDa Translocator Protein (TSPO) is a mitochondrial protein and positron emission tomography (PET)-imaging target that is highly expressed in MS brain lesions. It is used as an inflammatory biomarker and has been proposed as a therapeutic target.
View Article and Find Full Text PDFDiabetes Mellitus Impairs Blood-Brain Barrier Integrality and Microglial Reactivity.
J Biophotonics
January 2025
Britton Chance Center for Biomedical Photonics-MoE Key Laboratory for Biomedical Photonics, Huazhong University of Science and Technology, Wuhan, China.
Diabetes mellitus (DM), a chronic metabolic disorder that adversely affects the blood-brain barrier (BBB) and microglial function in the central nervous system (CNS), contributing to neuronal damage and neurodegenerative diseases. However, the underlying molecular mechanisms linking diabetes to BBB dysfunction and microglial dysregulation remain poorly understood. Here, we assessed the impacts of diabetes on BBB and microglial reactivity and investigated its mechanisms.
View Article and Find Full Text PDFDevelopment and characterization of in vitro inducible immortalization of a murine microglia cell line for high throughput studies.
Sci Rep
January 2025
Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, United States.
There are few in vitro models available to study microglial physiology in a homeostatic context. Recent approaches include the human induced pluripotent stem cell model, but these can be challenging for large-scale assays and may lead to batch variability. To advance our understanding of microglial biology while enabling scalability for high-throughput assays, we developed an inducible immortalized murine microglial cell line using a tetracycline expression system.
View Article and Find Full Text PDFNonapoptotic caspase-3 guides C1q-dependent synaptic phagocytosis by microglia.
Nat Commun
January 2025
Department of Translational Neurobiology, National Institute of Neuroscience, National Center of Neurology and Psychiatry, Kodaira, Tokyo, 187-8502, Japan.
Caspases are known to mediate neuronal apoptosis during brain development. However, here we show that nonapoptotic activation of caspase-3 at presynapses drives microglial synaptic phagocytosis. Real-time observation and spatiotemporal manipulation of synaptic caspase-3 in the newly established, mouse-derived culture system demonstrate that increased neuronal activity triggers localized presynaptic caspase-3 activation, facilitating synaptic tagging by complements.
View Article and Find Full Text PDFBrain-derived textiloma post glioblastoma resection and application of oxidized regenerated cellulose: A pilot, bedside-to-bench, translational study.
Brain Pathol
January 2025
Rutgers Cancer Institute, Newark, New Jersey, USA.
Oxidized regenerated cellulose (ORC; marketed as Surgicel® and Tabotamp®) is routinely used as an intraoperative hemostatic agent. Rarely, residual ORC has been associated with a foreign body reaction generating cystic or granulomatous lesions (i.e.
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