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Browsing Tag

neurodegeneration

16 posts
HHealth
Immune cells communicate across a continuous, bidirectional circuit between the CNS and periphery. Immune cells from across the body engage CNS tissues and, in turn, are shaped by signals returning from the brain. (Left) Under peripheral equilibrium, immune effectors mobilized from visceral organs, secondary lymphoid organs, hematopoietic tissues, and the peripheral nervous system (PNS) - including CD4+ and CD8+ T cells, B cells, monocytes (top 3 cell types), NK cells, dendritic cells, mast cells, neutrophils, and innate lymphoid cells (bottom cluster of cells) - engage the CNS in a homeostatic dialogue that supports neural cell health, plasticity, and repair, sustaining a protective environment. (Right) Age-associated dysfunction across the same peripheral compartments reshapes this circuit: altered immune effectors enter the CNS and contribute to shifting the local environment toward a degenerative state in which microglia adopt disease-associated programs, astrocytes become reactive, and neurons accumulate pathology. This model underscores how the same circuitry can yield protective or pathogenic outcomes and that neurodegeneration is downstream of dysfunctional brain-immune crosstalk. Study: Neurodegeneration as a dysregulation of neuroimmune crosstalk
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Disrupted brain-immune signaling may help drive neurodegeneration

  • August 24, 2026
From gut-primed T cells to microglial signaling and persistent gene-regulatory states, researchers map an intricate immune network that…
HHealth
Semaglutide Falls Short in Alzheimer’s Phase 3 Trials
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Semaglutide Falls Short in Alzheimer’s Phase 3 Trials

  • March 21, 2026
Phase 3 trials show oral semaglutide failed to slow early Alzheimer’s progression, potentially limiting its expansion beyond metabolic…
HHealth
New Tool Maps Hyperarousal Dimensions for Personalized Care
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New Tool Maps Hyperarousal Dimensions for Personalized Care

  • March 17, 2026
Researchers identified seven dimensions of hyperarousal and developed the Transdiagnostic Hyperarousal Dimensions Questionnaire (THDQ), a tool designed to…
SScience
New data confirms efficacy of mitochondrial donation in preventing disease
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Researchers develop DNA aptamer to detect Alzheimer’s biomarkers

  • March 10, 2026
With aging populations on the rise, the need for better tools to diagnose and monitor Alzheimer’s disease (AD),…
FFitness
Exercise alleviates cognitive dysfunction in Alzheimer’s disease mice via skeletal muscle-derived extracellular vesicles that enhance plaque clearance by microglia
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Exercise alleviates cognitive dysfunction in Alzheimer’s disease mice via skeletal muscle-derived extracellular vesicles that enhance plaque clearance by microglia

  • March 2, 2026
Knopman, D. S. et al. Alzheimer disease. Nat. Rev. Dis. Primers 7, 33 (2021). Article  PubMed  PubMed Central …
HHealth
Viewpont: The hidden world of nanoplastics colliding with neurodegenerative diseases. Image Credit: Maryshot / Shutterstock
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Scientists uncover nanoplastics in brain tissue and question their role in neurological disease

  • February 18, 2026
Scientists are detecting nanoplastics in human brain tissue and exploring how these particles may influence the risk of…
HHealth
Study: Engineering chimeric antigen receptor CD4 T cells for Alzheimer’s disease. Image Credit: Andrii Vodolazhskyi / Shutterstock
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Alzheimer’s plaques decline after CAR-T immune cell treatment in preclinical study

  • February 12, 2026
A novel CAR-T cell approach targets amyloid plaques in preclinical Alzheimer models, raising the possibility that engineered immune…
SScience
Innovative cryo-microscopy offers precise views of rapid cell activity
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New spatial omics platform advances biomedical research in Spain

  • February 10, 2026
Spatial omics is a new generation of technologies that allow scientists to study cells in their original location…
HHealth
Alzheimer’s hits women harder: Can omega-3 turn the tide?
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Alzheimer’s hits women harder: Can omega-3 turn the tide?

  • January 31, 2026
There’s something quietly unfair about Alzheimer’s and women. Studies consistently show that women are more likely to develop…
SScience
High protein diet linked to increased risk of cancer-associated venous thromboembolism
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Restoring protein production in motor neuron axons

  • January 12, 2026
Researchers at VIB and KU Leuven have identified a molecular process that allows motor neurons to maintain protein…
HHealth
Genetic variation in the glucagon-like peptide-1 receptor protein encoding region is associated with higher heart rate variability, but not with neurodegeneration of the brain, retina, and peripheral nerves: The Maastricht study | Cardiovascular Diabetology
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Genetic variation in the glucagon-like peptide-1 receptor protein encoding region is associated with higher heart rate variability, but not with neurodegeneration of the brain, retina, and peripheral nerves: The Maastricht study | Cardiovascular Diabetology

  • October 14, 2025
Badrov MB, Mak S, Floras JS. Cardiovascular autonomic disturbances in heart failure with preserved ejection fraction. Can J…
HHealth
New study identifies genes that shape human brain features
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Advanced imaging exposes breakdown in brain cell communication linked to Alzheimer’s

  • September 18, 2025
Research led by The Ohio State University Wexner Medical Center and College of Medicine explores the ways brain…
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