Antibodies to herpes-simplex virus in "normal" cerebrospinal fluid

Area of Science:

• Neurovirology
• Immunology
• Infectious Diseases

Background:

• Herpes-simplex virus (H.S.V.) establishes lifelong latency in the nervous system.
• Recurrent H.S.V. infections, such as cold sores, are common.
• The precise mechanisms maintaining H.S.V. latency are not fully understood.

Purpose of the Study:

• To investigate the presence and significance of H.S.V. antibodies in cerebrospinal fluid (C.S.F.).
• To explore the correlation between H.S.V. antibodies in C.S.F. and recurrent herpetic infections.
• To assess the potential role of H.S.V. antibodies in the maintenance of viral latency.

Main Methods:

• Analysis of 30 cerebrospinal fluid (C.S.F.) samples from routine myelography.
• Detection of antibodies against herpes-simplex virus (H.S.V.) using antibody-mediated cell-dependent immune lysis.
• Correlation of C.S.F. antibody presence with patient history of herpetic infections and serum antibody levels.

Main Results:

• All ten patients with a history of recurrent cold sores had antiviral antibodies in their C.S.F.
• Nine out of twenty patients without a recalled history of herpes also had C.S.F. antibodies.
• All patients with detectable C.S.F. antibodies also possessed serum antibodies.

Conclusions:

• The presence of H.S.V. antibodies in C.S.F. is associated with recurrent herpetic infections.
• These findings support the hypothesis that H.S.V. antibodies may play a role in maintaining H.S.V. latency.
• Further research is warranted to elucidate the immunomodulatory functions of H.S.V. antibodies in latency.