Related Experiment Video

Updated: Aug 9, 2026

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
13:41

Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus

Published on: March 8, 2012

Modulation of human papillomavirus type 16 mRNA in cervical invasive carcinoma patients by interferon-alpha therapy

R García-Milián1, M A Rios, M Amigó

  • 1Departamento de Biologia Celular, Centro de Investigaciones Biologicas, Ciudad Habana, Cuba.

Journal of Interferon & Cytokine Research : the Official Journal of the International Society for Interferon and Cytokine Research
|September 1, 1996
PubMed

Insights

Interferon-alpha (IFN-alpha) treatment reduced human papillomavirus (HPV-16) mRNA expression in cervical cancer patients. This suggests IFN-alpha may modulate HPV-16 levels, warranting further investigation.

Area of Science:

  • Oncology
  • Virology
  • Immunology

Background:

  • The mechanisms of interferon-induced papilloma regression are not well understood.
  • Cervical cancer is often associated with human papillomavirus (HPV) infections.

Purpose of the Study:

  • To investigate the effect of interferon-alpha (IFN-alpha) on human papillomavirus (HPV-16) mRNA expression in cervical cancer patients.
  • To explore the potential role of IFN-alpha in modulating HPV-16 levels in tumor biopsies.

Main Methods:

  • Analysis of tumor biopsies from three cervical invasive carcinoma patients treated with topical and intramuscular IFN-alpha for 15 days.
  • Detection of HPV-16 DNA using polymerase chain reaction (PCR) with specific HPV-16 E7 primers.
  • Quantification of HPV-16 mRNA expression and assessment of 2-5 A synthetase and PKR mRNA levels.

Main Results:

  • All analyzed specimens tested positive for HPV-16 DNA.
  • Two out of three patients showed a reduction in HPV-16 mRNA expression (44% and 67%) post-IFN-alpha treatment.
  • Upregulation of 2-5 A synthetase and PKR mRNA levels indicated a biological response to IFN-alpha.

Conclusions:

  • IFN-alpha treatment may modulate HPV-16 mRNA levels in cervical cancer patients.
  • Further large-scale studies are recommended to confirm the impact of IFN-alpha on HPV-16 mRNA expression in tumor biopsies.

More Related Videos

RNAscope for In situ Detection of Transcriptionally Active Human Papillomavirus in Head and Neck Squamous Cell Carcinoma10:26

RNAscope for In situ Detection of Transcriptionally Active Human Papillomavirus in Head and Neck Squamous Cell Carcinoma

Published on: March 12, 2014

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes10:00

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes

Published on: March 24, 2015

Related Concept Videos

Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Inhibitors Of Virion Release01:25

Inhibitors Of Virion Release

Viral replication and dissemination rely on efficient mechanisms for host cell entry, genome replication, assembly, and release. Influenza viruses, such as types A and B, are negative-sense single-stranded RNA viruses with a segmented genome, that depend on two critical surface glycoproteins to carry out these processes: hemagglutinin (HA) and neuraminidase (NA). HA initiates infection by binding to sialic acid residues on the surface of host epithelial cells, facilitating receptor-mediated...
Inhibitors of Virion Maturation and Assembly01:19

Inhibitors of Virion Maturation and Assembly

As part of their replication cycle, certain viruses synthesize long precursor proteins called polyproteins within infected host cells. In human immunodeficiency virus (HIV), two major polyproteins are produced: Gag and Gag-Pol. The Gag polyprotein supplies the structural components of the virus, while Gag-Pol includes essential viral enzymes such as reverse transcriptase, integrase, and protease. After synthesis, these polyproteins move to the host cell membrane, where they assemble into an...