Related Experiment Video
Updated: Jul 5, 2026

Intracerebroventricular and Intravascular Injection of Viral Particles and Fluorescent Microbeads into the Neonatal Brain
Published on: July 24, 2016
Viral loads of cerebrospinal fluid in infants with enterovirus meningitis
Hisashi Kawashima1, Hiroaki Ioi, Chiako Ishii
1Department of Paediatrics, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, Japan. hisashi@tokyo-med.ac.jp
Insights
In infants with enterovirus meningitis, high levels of interleukin-6 (IL-6) and free radicals in cerebrospinal fluid (CSF) indicate early disease. These markers aid in timely diagnosis and treatment of viral meningitis.
Area of Science:
- Pediatric infectious diseases
- Neurovirology
- Biomarker research
Background:
- Viral meningitis is a significant concern in infants.
- Understanding the early pathogenesis of enterovirus meningitis is crucial for effective management.
- Cerebrospinal fluid (CSF) analysis is key for diagnosing central nervous system infections.
Observation:
- Infants under 1 year with enterovirus meningitis were studied.
- Initial CSF analysis revealed elevated interleukin-6 (IL-6) and free radicals.
- Pleocytosis was infrequently observed in early stages.
- IL-6 levels decreased rapidly over a short period.
Findings:
- Viral load and free radical levels in CSF increased concurrently.
- Simultaneous elevation of viral load and free radicals suggests a dynamic disease process.
- Elevated IL-6 and free radicals are prominent early indicators.
Implications:
- CSF IL-6 and free radicals serve as valuable early diagnostic biomarkers for viral meningitis.
- These biomarkers can guide prompt therapeutic interventions in infants.
- Further research into the interplay of viral load, cytokines, and oxidative stress is warranted.
Abstract:
For a better understanding of the role of the viral load, free radicals, and cytokines in viral meningitis, we surveyed cerebrospinal fluid (CSF) obtained from patients below 1 year of age who showed positive for enterovirus. In their first examinations interleukin (IL)-6 and free radicals increased whereas pleocytosis was rarely observed. IL-6 decreased within the short period. Viral loads and free radicals increased simultaneously. IL-6 and free radicals of CSF are helpful for diagnosis and treatment of viral meningitis at an early stage.
Related Concept Videos
Viral Meningitis
Cytomegalovirus Disease
Poliomyelitis
Arboviral Encephalitis
Bacterial Meningitis
Bacterial Meningitis II: Pathophysiology

