Persistent measles virus infection in vitro and in man

Area of Science:

• Virology
• Immunology
• Neuroscience

Background:

• Measles virus is a significant human pathogen.
• Persistent viral infections can lead to chronic diseases.
• The mechanisms of measles virus persistence are not fully understood.

Purpose of the Study:

• To describe the characteristics of cell lines persistently infected with measles virus.
• To elucidate the molecular mechanisms underlying measles virus persistence in vitro and in human diseases.
• To discuss the association of measles virus with specific neurological and autoimmune conditions.

Main Methods:

• In vitro studies of persistently infected cell lines.
• Analysis of molecular mechanisms including defective interfering particles, mutant virus strains, proviral DNA, and cell permissivity.
• Review of clinical evidence linking measles virus to human diseases.

Main Results:

• Identified key molecular mechanisms contributing to measles virus persistence.
• Highlighted the role of defective interfering particles, mutant strains, proviral DNA, and nonpermissive cells.
• Presented evidence for measles virus involvement in subacute sclerosing panencephalitis, multiple sclerosis, Paget's disease, and systemic lupus erythematosus.

Conclusions:

• Measles virus persistence involves multiple complex molecular strategies.
• Persistent measles virus infection is implicated in the pathogenesis of severe neurological and autoimmune disorders.
• Further research is warranted to fully understand the link between measles virus and these chronic conditions.