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Ablation of PI3Kγ in neurons protects mice from diet-induced obesity MASLD and insulin resistance.
iScience
January 2025
The Wallenberg Laboratory, Institute of Medicine University of Gothenburg Sweden, Gothenburg, Sweden.
Mice with genetic ablation of PI3Kγ are protected from diet-induced obesity. However, the cell type responsible for PI3Kγ action in obesity remains unknown. We generated mice with conditional deletion of PI3Kγ in neurons using the nestin promoter to drive the expression of the Cre recombinase (PI3Kγ mice) and investigated their metabolic phenotype in a model of diet-induced obesity.
View Article and Find Full Text PDFDecreased neuronal excitability in hypertriglyceridemia hamsters with acute seizures.
Front Neurol
December 2024
Department of Pediatrics, Peking University First Hospital, Beijing, China.
Introduction: Neonatal seizures are the most common clinical manifestation of neurological dysfunction in newborns, with an incidence ranging from 1 to 5‰. However, the therapeutic efficacy of current pharmacological treatments remains suboptimal. This study aims to utilize genetically modified hamsters with hypertriglyceridaemia (HTG) to investigate the effects of elevated triglycerides on neuronal excitability and to elucidate the underlying mechanisms.
View Article and Find Full Text PDFThe interaction of tPA with NMDAR1 drives neuroinflammation and neurodegeneration in α-synuclein-mediated neurotoxicity.
J Neuroinflammation
January 2025
Department of Molecular and Integrative Physiology, University of Michigan Medical School, Ann Arbor, MI, USA.
The thrombolytic protease tissue plasminogen activator (tPA) is expressed in the CNS, where it regulates diverse functions including neuronal plasticity, neuroinflammation, and blood-brain-barrier integrity. However, its role in different brain regions such as the substantia nigra (SN) is largely unexplored. In this study, we characterize tPA expression, activity, and localization in the SN using a combination of retrograde tracing and β-galactosidase tPA reporter mice.
View Article and Find Full Text PDFSynergy of zinc oxide nanoparticles to losartan attenuates kidney injury induced by unilateral ureteral obstruction through modulation of the TNF-α/IL6 and BAX/BCL2 signaling pathways.
Int Urol Nephrol
January 2025
Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, University of Mansoura, Mansoura, 35516, Egypt.
Aim: Although the relief of ureteral obstruction seems to be a radical treatment for obstructive uropathy (OU), progressive kidney damage is the result because of the associated increased apoptosis and fibrosis. Therefore, it is urgent to find a complementary renoprotective therapy against partially obstructed uropathy cascades. Thus, this study investigated the renoprotective effects of both losartan (LOS) and zinc oxide nanoparticles (ZnONPs) in partial unilateral ureteral obstruction (PUUO).
View Article and Find Full Text PDFRevealing rutaecarpine's promise: A pathway to parkinson's disease relief through PPAR modulation.
Int Immunopharmacol
January 2025
Department of Neurosurgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006 Jiangxi, China; Jiangxi Key Laboratory of Neurological Tumors and Cerebrovascular Diseases, Nanchang 330006 Jiangxi, China; Jiangxi Health Commission Key Laboratory of Neurological Medicine, Nanchang 330006 Jiangxi, China; Institute of Neuroscience, Nanchang University, Nanchang 330006 Jiangxi, China. Electronic address:
The pathological mechanisms of Parkinson's disease (PD) is complex, and no definitive cure currently exists. This study identified Rutaecarpine (Rut), an alkaloid extracted from natural plants, as a potential therapeutic agent for PD. To elucidate its mechanisms of action and specific effects in PD, network pharmacology, molecular docking, and experimental validation methods were employed.
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