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Molecular targets for human papillomaviruses: prospects for antiviral therapy

W C Phelps1, J A Barnes, D C Lobe

  • 1Department of Virology, Glaxo Wellcome Inc, Research Triangle Park, North Carolina 27709-3398, USA. wcp41432@glaxowellcome.com

Antiviral Chemistry & Chemotherapy
|January 6, 1999
PubMed

Insights

Developing antiviral drugs for human papillomaviruses (HPVs) is crucial due to limited treatment options for HPV-associated lesions. Targeting viral enzymes like E1 helicase offers a promising therapeutic strategy for HPV infections.

Area of Science:

  • Virology
  • Oncology
  • Drug Discovery

Background:

  • Human papillomaviruses (HPVs) cause significant benign and malignant lesions, including genital warts and anogenital cancer.
  • Current treatment options for HPV-related diseases are limited and often unsatisfactory, highlighting a substantial unmet medical need.
  • Recent advances in understanding papillomavirus replication and host cell interactions provide new avenues for therapeutic development.

Purpose of the Study:

  • To explore the potential for developing novel antiviral medicines targeting human papillomaviruses (HPVs).
  • To identify promising therapeutic strategies for diseases associated with HPV infection.
  • To address the clinical need for effective and safe treatments for HPV-related conditions.

Main Methods:

  • Reviewing recent advances in understanding papillomavirus replication and life cycle.
  • Evaluating the potential of targeting viral enzymes, specifically the E1 helicase, for antiviral therapy.
  • Assessing the challenges in targeting viral gene products involved in host cell interactions.

Main Results:

  • Limited virion production in vitro is now possible, facilitating further research into the HPV life cycle.
  • The E1 helicase is the only HPV gene product with enzymatic activity, making it a potential target for antiviral drugs.
  • Targeting macromolecular interactions mediated by E6, E7, and E2 proteins is considered more challenging for small molecule therapies.

Conclusions:

  • Development of safe and effective antiviral drugs for HPV infections could have a significant clinical impact.
  • The E1 helicase represents a key viral enzyme and a potential target for novel antiviral therapies.
  • Further research into HPV replication and host interactions is essential for advancing therapeutic strategies.

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