Licking latency with licorice

Jeffrey I Cohen1

  • 1Medical Virology Section, Laboratory of Clinical Infectious Diseases, NIH, Bethesda, Maryland 20892, USA. jcohen@niaid.nih.gov

Insights

Glycyrrhizic acid, from licorice, shows promise in treating latent Kaposi sarcoma-associated herpesvirus (KSHV) infections. This compound reduced viral protein synthesis and induced cell death in infected cells, offering a new approach to interrupt viral latency.

Area of Science:

  • Virology
  • Molecular Biology
  • Immunology

Background:

  • Many viruses establish latent infections in humans, leading to chronic illness and suffering.
  • Current treatments focus on managing active infections or preventing reactivation, but eradicating latent viruses remains a challenge.
  • Kaposi sarcoma-associated herpesvirus (KSHV) is a significant cause of latent infection with limited therapeutic options for eradication.

Discussion:

  • This study investigates the potential of glycyrrhizic acid, a natural compound from licorice, as a therapeutic agent against latent KSHV infection.
  • Glycyrrhizic acid demonstrated the ability to decrease the synthesis of a key viral latency protein.
  • The treatment also effectively induced apoptosis (programmed cell death) in KSHV-infected cells.

Key Insights:

  • Glycyrrhizic acid disrupts the maintenance of KSHV latency by inhibiting viral protein production.
  • The compound triggers the elimination of latently infected cells, suggesting a direct antiviral effect.
  • This research identifies a novel therapeutic strategy targeting latent viral reservoirs.

Outlook:

  • Further research is needed to explore the efficacy and safety of glycyrrhizic acid in preclinical and clinical settings.
  • This approach could potentially be extended to other human herpesviruses that establish latent infections.
  • Developing therapies to eradicate latent viral infections is crucial for improving patient outcomes and reducing disease burden.