Related Experiment Video
Updated: Jan 3, 2026
Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
Published on: July 24, 2016
Human pegivirus in brain tissue of a patient with encephalitis
Renee Tuddenham1, John-Sebastian Eden2, Timothy Gilbey3
1Nepean Hospital, PO Box 63, Penrith, NSW 2751, Australia.
Abstract:
We describe a case of meningoencephalitis in which meta-transcriptomic (RNA) sequencing detected human pegivirus (HPgV) in brain tissue, cerebrospinal fluid, and serum in the absence of other pathogens. This is the first detection of HPgV in antemortem brain tissue, although it is uncertain whether HPgV is responsible for the observed encephalitis.
Insights
Human pegivirus (HPgV) was detected in brain tissue, cerebrospinal fluid, and serum during a meningoencephalitis case. This marks the first detection of HPgV in antemortem brain tissue, though its causal role remains uncertain.
Area of Science:
- Neurology
- Virology
- Molecular Biology
Background:
- Meningoencephalitis is a serious neurological condition often with an unknown etiology.
- Human pegivirus (HPgV) is a known human pathogen, typically associated with liver disease.
Observation:
- A case of meningoencephalitis was investigated using advanced molecular techniques.
- Meta-transcriptomic sequencing was employed to identify potential causative agents.
Findings:
- Human pegivirus (HPgV) RNA was detected in brain tissue, cerebrospinal fluid, and serum.
- This is the first reported instance of HPgV detection in antemortem human brain tissue.
- No other pathogens were identified in the analyzed samples.
Implications:
- The findings suggest a potential, yet unconfirmed, role for HPgV in meningoencephalitis.
- Further research is needed to elucidate the neurotropic potential and pathogenicity of HPgV.
- This case highlights the utility of meta-transcriptomic sequencing in identifying novel pathogen-host interactions in neurological diseases.
