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Neurotrauma: 2021 update.

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  • 1J. Edward Hebert School of Medicine, Uniformed Services University, Bethesda, MD, USA.

Free Neuropathology
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Summary
This summary is machine-generated.

Advances in neurotrauma research in 2020 include fluid biomarkers for outcome prediction and novel microglia modulation techniques. New insights into chronic traumatic encephalopathy (CTE) and tau pathology were also reported.

Keywords:
BiomarkersChronic traumatic encephalopathyMicrogliaNeuroinflammationTauTraumatic brain injury

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Area of Science:

  • Neuroscience
  • Neurology
  • Trauma Research

Background:

  • The COVID-19 pandemic presented challenges to scientific progress in 2020.
  • Despite these challenges, significant advancements were made in neurotrauma research.

Purpose of the Study:

  • To highlight key contributions in neurotrauma research from 2020.
  • To discuss novel approaches in understanding neurotrauma mechanisms and outcomes.

Main Methods:

  • Utilizing fluid biomarkers for predicting neurotrauma outcomes.
  • Employing colony-stimulating factor 1 receptor inhibitors (e.g., PLX5622) to modulate microglia populations in experimental models.
  • Investigating tau pathology in chronic traumatic encephalopathy (CTE) and Alzheimer's disease.
  • Applying tau-specific PET scan ligands in at-risk populations.

Main Results:

  • Fluid biomarkers show promise for clinically useful neurotrauma outcome information.
  • Microglia depletion and repopulation strategies offer insights into their role in traumatic brain injury (TBI) pathogenesis.
  • New data reveal tau involvement in neurons and astrocytes in CTE, with comparisons to Alzheimer's disease.
  • Tau-specific PET ligands may aid in identifying CTE cases.

Conclusions:

  • 2020 saw critical advancements in neurotrauma, particularly in fluid biomarkers and microglia research.
  • Understanding microglia's role through modulation techniques provides new therapeutic avenues.
  • Further research into tau pathology and PET imaging holds potential for diagnosing and understanding CTE.