Related Experiment Video
Updated: Dec 9, 2025

Time-resolved Förster Resonance Energy Transfer Assays for Measurement of Endogenous Phosphorylated STAT Proteins in Human Cells
Published on: September 9, 2021
Manipulation of JAK/STAT Signalling by High-Risk HPVs: Potential Therapeutic Targets for HPV-Associated Malignancies
Ethan L Morgan1, Andrew Macdonald2,3
1Tumour Biology Section, Head and Neck Surgery Branch, National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, MD 20892, USA.
Abstract:
Human papillomaviruses (HPVs) are small, DNA viruses that cause around 5% of all cancers in humans, including almost all cervical cancer cases and a significant proportion of anogenital and oral cancers. The HPV oncoproteins E5, E6 and E7 manipulate cellular signalling pathways to evade the immune response and promote virus persistence. The Janus Kinase/Signal Transducer and Activator of Transcription (JAK/STAT) pathway has emerged as a key mediator in a wide range of important biological signalling pathways, including cell proliferation, cell survival and the immune response. While STAT1 and STAT2 primarily drive immune signalling initiated by interferons, STAT3 and STAT5 have widely been linked to the survival and proliferative potential of a number of cancers. As such, the inhibition of STAT3 and STAT5 may offer a therapeutic benefit in HPV-associated cancers. In this review, we will discuss how HPV manipulates JAK/STAT signalling to evade the immune system and promote cell proliferation, enabling viral persistence and driving cancer development. We also discuss approaches to inhibit the JAK/STAT pathway and how these could potentially be used in the treatment of HPV-associated disease.
Insights
Human papillomaviruses (HPVs) manipulate the Janus Kinase/Signal Transducer and Activator of Transcription (JAK/STAT) pathway to promote cancer development. Inhibiting STAT3 and STAT5 may offer new treatments for HPV-associated cancers.
Area of Science:
- Virology
- Cancer Biology
- Immunology
Background:
- Human papillomaviruses (HPVs) are oncogenic viruses responsible for significant cancer burdens, including cervical, anogenital, and oral cancers.
- HPV oncoproteins (E5, E6, E7) subvert host cellular pathways, including immune evasion and promoting viral persistence.
- The Janus Kinase/Signal Transducer and Activator of Transcription (JAK/STAT) pathway is crucial for cell proliferation, survival, and immune responses.
Purpose of the Study:
- To review how HPV interacts with and manipulates the JAK/STAT signaling pathway.
- To explore the role of STAT3 and STAT5 in HPV-driven cancers.
- To discuss potential therapeutic strategies targeting the JAK/STAT pathway in HPV-associated diseases.
Main Methods:
- Literature review of existing research on HPV, JAK/STAT signaling, and cancer biology.
- Analysis of the mechanisms by which HPV oncoproteins affect JAK/STAT components.
- Synthesis of information regarding therapeutic interventions targeting the JAK/STAT pathway.
Main Results:
- HPV infection hijacks the JAK/STAT pathway to facilitate immune evasion and uncontrolled cell proliferation.
- STAT3 and STAT5 activation are frequently observed in HPV-associated cancers, correlating with increased survival and proliferation.
- The JAK/STAT pathway is a critical mediator of oncogenesis in HPV-driven malignancies.
Conclusions:
- Targeting STAT3 and STAT5 offers a promising therapeutic avenue for treating HPV-associated cancers.
- Understanding HPV's manipulation of JAK/STAT signaling is key to developing effective anti-cancer strategies.
- Inhibition of the JAK/STAT pathway could represent a novel treatment modality for patients with HPV-related malignancies.
Related Concept Videos
The JAK-STAT Signaling Pathway
Abnormal Proliferation
Interactions Between Signaling Pathways
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
Canonical Wnt Signaling Pathway
Amplifying Signals via Enzymatic Cascade

