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Common Blood Virus Detected in Half of Parkinson’s Brains

Researchers now aim to map HPgV’s brain penetration before assessing hepatitis C drugs as potential Parkinson’s therapies.

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Overview

  • Analysis of post-mortem brain tissue with ViroFind revealed HPgV in half of Parkinson’s patients and in none of the control samples.
  • Immune profiling of over 1,000 blood samples from the Parkinson’s Progression Markers Initiative mirrored brain findings by showing distinct immune signals in HPgV carriers.
  • In carriers of the Parkinson’s-linked LRRK2 mutation, the immune response to HPgV differed markedly, suggesting a gene-virus interaction in disease development.
  • Researchers are expanding cohorts to determine how frequently HPgV breaches the blood-brain barrier in both Parkinson’s and healthy individuals.
  • Preclinical studies will test existing hepatitis C antiviral drugs in neural tissue against HPgV as a potential therapeutic strategy.