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| http://dx.doi.org/10.1093/pch/20.4.175 | DOI Listing |
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Repeated social defeat in male mice induced unique RNA profiles in projection neurons from the amygdala to the hippocampus.
Brain Behav Immun Health
February 2025
Department of Neuroscience, The Ohio State University Wexner Medical Center, USA.
Chronic stress increases the incidence of psychiatric disorders including anxiety, depression, and posttraumatic stress disorder. Repeated Social Defeat (RSD) in mice recapitulates several key physiological, immune, and behavioral changes evident after chronic stress in humans. For instance, neurons in the prefrontal cortex, amygdala, and hippocampus are involved in the interpretation of and response to fear and threatful stimuli after RSD.
View Article and Find Full Text PDFAccumulation of alpha-synuclein pathology in the liver exhibits post-translational modifications associated with Parkinson's disease.
iScience
December 2024
Department of Biomedical and Clinical Sciences, Department of Clinical Pathology, Linköping University, Linköping, Sweden.
Accumulating evidence demonstrates that alpha-synuclein (α-syn) pathology associated with Parkinson's disease (PD) is not limited to the brain, as it also appears in a select number of peripheral tissues including the liver. In this study, we identified a number of PD-associated α-syn post-translational modifications in the livers of (Thy-1)-h[A30P] mice, a mouse model of familial PD expressing human α-syn harboring the A30P mutation driven by a neuron-specific promoter. , we also demonstrate that human hepatocytes induce post-translational modifications following α-syn fibrillar (PFF) treatment.
View Article and Find Full Text PDFMultidimensional Effects of Stress on Neuronal Exosome Levels and Simultaneous Transcriptomic Profiles.
Biol Psychiatry Glob Open Sci
January 2025
Department of Psychiatry, New York University Grossman School of Medicine, New York, New York.
Background: An excess of exosomes, nanovesicles released from all cells and key regulators of brain plasticity, is an emerging therapeutic target for stress-related mental illnesses. The effects of chronic stress on exosome levels are unknown; even less is known about molecular drivers of exosome levels in the stress response.
Methods: We used our state-of-the-art protocol with 2 complementary strategies to isolate neuronal exosomes from plasma, ventral dentate gyrus, basolateral amygdala, and olfactory bulbs of male mice to determine the effects of chronic restraint stress (CRS) on exosome levels.
Ischemic Stroke Prevention in Patients Atrial Fibrillation and a Recent Ischemic Stroke, TIA, or Intracranial Hemorrhage; a World Stroke Organisation (WSO) Scientific Statement.
Int J Stroke
December 2024
Division of Neurology, McMaster University, Hamilton, ON, Canada.
Background: Secondary stroke prevention in patients with atrial fibrillation (AF) is one of the fastest growing areas in the field of cerebrovascular diseases. This Scientific statement from the World Stroke Organization Brain & Heart Task Force provides a critical analysis of the strength of current evidence this topic, highlights areas of current controversy, identifies knowledge gaps, and proposes priorities for future research.
Methods: We select topics with the highest clinical relevance and perform a systematic search to answer specific practical questions.
Minimally invasive reduction of irreducible, sagittally unstable peritrochanteric fractures: Novel technique and early results.
Chin J Traumatol
December 2024
Department of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China. Electronic address:
Purpose: The management of irreducible, sagittally unstable peritrochanteric fractures presents a significant challenge due to the inability to achieve closed reduction using conventional techniques. This study introduces a novel minimally invasive technique leveraging the mechanical advantage principle with long, angled hemostatic clamps.
Methods: A retrospective review was performed on 16 patients who sustained sagittally unstable peritrochanteric fractures and underwent a percutaneous hemostatic clamp leverage reduction procedure.
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