The lifelong viral tenant hiding in your memory B cells
In short: Most humans carry the Epstein-Barr virus (EBV) for life. This video explores how this herpesvirus manages to remain dormant while occasionally causing infectious mononucleosis, and what happens when it disrupts normal cellular biology.
Epstein-Barr virus is a human herpesvirus that establishes a lifelong infection in virtually every human being. It primarily persists by exploiting the natural lifecycle of B cells through a process known as the Germinal Center Model (GCM). In this model, infected B cells transit through germinal centers to become resting memory cells where the virus resides quietly.
While it remains quiescent for long periods, EBV can reactivate to infect new cells. This cycle is significant because while the virus is often silent, it is also a potent transforming agent associated with several lymphomas, including Hodgkin's disease and Burkitt's lymphoma. The video further details clinical diagnostics like the Monospot test and management strategies for infectious mononucleosis.
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Sources
- Summary by Intellect · source: Epstein Barr Virus and Infectious Mononucleosis (pathophysiology, investigations and treatment)
- Also: The Pathogenesis of Epstein-Barr Virus Persistent Infection
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