Related Experiment Video
Updated: Jun 2, 2026

Mouse Footpad Inoculation Model to Study Viral-Induced Neuroinflammatory Responses
Published on: June 14, 2020
Illuminating viral infections in the nervous system
Dorian B McGavern1, Silvia S Kang
1National Institute of Neurological Disorders and Stroke, The National Institutes of Health, Bethesda, Maryland 20892, USA. mcgavernd@mail.nih.gov
Neurotropic viruses invade the central nervous system (CNS), causing serious diseases. This review explores how viruses enter the CNS and how the immune system responds, focusing on persistent infections and immune imaging.
Area of Science:
- Neuroscience
- Immunology
- Virology
Background:
- Viral infections commonly affect humans, with some viruses targeting the central nervous system (CNS).
- CNS viral infections can disrupt homeostasis, cause neurological dysfunction, and lead to severe inflammatory conditions.
- Neurotropic viruses employ specific strategies to breach CNS barriers.
Purpose of the Study:
- To review the mechanisms neurotropic viruses use to enter the CNS.
- To examine immune system detection and response to CNS viral infections.
- To highlight immune surveillance of persistent/latent viral infections and advanced imaging of antiviral responses.
Main Methods:
- Literature review of neurotropic virus entry mechanisms.
- Analysis of immune system interactions within the CNS during viral infections.
- Synthesis of recent findings on imaging antiviral immunity.
Main Results:
- Viruses utilize diverse strategies to cross the blood-brain barrier and other CNS barriers.
- The immune system actively surveys the CNS for viral presence, initiating protective and sometimes pathogenic responses.
- Imaging techniques provide novel insights into the dynamics of antiviral immunity in the CNS.
Conclusions:
- Understanding viral CNS entry and immune responses is crucial for treating neurotropic infections.
- Immune surveillance of persistent viral infections presents unique challenges and therapeutic targets.
- Advanced imaging is key to deciphering complex antiviral immune dynamics in the CNS.
Related Concept Videos
Encephalitis ll: Pathophysiology
Arboviral Encephalitis
Viral Meningitis
Encephalitis l: Introduction
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Rabies

