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Neural Cell Interactions with a Surgical Grade Biomaterial Using a Simulated Injury in Brain Organotypic Slices.
J Funct Biomater
November 2024
Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK.
Tissue engineering research for neurological applications has demonstrated that biomaterial-based structural bridges present a promising approach for promoting regeneration. This is particularly relevant for penetrating traumatic brain injuries, where the clinical prognosis is typically poor, with no available regeneration-enhancing therapies. Specifically, repurposing clinically approved biomaterials offers many advantages (reduced approval time and achieving commercial scaleup for clinical applications), highlighting the need for detailed screening of potential neuromaterials.
View Article and Find Full Text PDFDiffuse Axonal and Vascular Pathology in the Gyrencephalic Brain after High-Energy Blunt Injury: Clinicopathological Correlations Involving the Brainstem.
J Neurotrauma
December 2024
Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
Traumatic brain injury (TBI) after high-energy, behind helmet blunt trauma (BHBT) is an important but poorly understood clinical entity often associated with apnea and death in humans. In this study, we use a swine model of high-energy BHBT to characterize key neuropathologies and their association with acute respiratory decompensation. Animals with either stable or critical vital signs were euthanized within 4 h after injury for neuropathological assessment, with emphasis on axonal and vascular pathologies in the brainstem.
View Article and Find Full Text PDFClinical Insights Into Default Mode Network Abnormalities in Mild Traumatic Brain Injury: Unraveling Axonal Injury Through Functional, Structural, and Molecular Analyses.
CNS Neurosci Ther
December 2024
Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
Background: Mild traumatic brain injury (mTBI) frequently results in persistent cognitive, emotional, and functional impairments, closely linked to disruptions in the default mode network (DMN). Understanding the mechanisms driving these network abnormalities is critical for advancing diagnostic and therapeutic strategies.
Methods: This study adopted a multimodal approach, combining functional connectivity (FC) analysis, diffusion tensor imaging (DTI), and gene expression profiling to investigate DMN disruptions in mTBI.
Towards an Understanding of the Dentate Gyrus Hilus.
Hippocampus
January 2025
Department of Child and Adolescent Psychology, Neuroscience & Physiology, and Psychiatry and the Neuroscience Institute, New York University Grossman School of Medicine, New York University Langone Health, New York, New York, USA.
For many years, the hilus of the dentate gyrus (DG) was a mystery because anatomical data suggested a bewildering array of cells without clear organization. Moreover, some of the anatomical information led to more questions than answers. For example, it had been identified that one of the major cell types in the hilus, the mossy cell, innervates granule cells (GCs).
View Article and Find Full Text PDFβ-Asarone regulates microglia polarization to alleviate TBI-induced nerve damage via Fas/FasL signaling axis.
Hum Cell
December 2024
Department of Integrated Traditional Chinese and Western Medicine, Xiangya Hospital, Central South University, Jiangxi Hospital, National Reginal Center for Neurological Disease, Honggutan District, No.266 Fenghe North Avenue, Nanchang, 330038, Jiangxi, China.
Acute injury and secondary injury caused by traumatic brain injury (TBI) seriously threaten the health of patients. The purpose of this study was to investigate the role of β-Asarone in TBI-induced neuroinflammation and injury. In this work, the effects of β-Asarone on nerve injury and neuronal apoptosis were investigated in mice with TBI by controlled cortical impingement.
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