Target intelligence / Profile preview

Human papillomavirus E7 protein (E7)

Target
E7
Molecular classification
Viral oncoprotein
01

Overview

The human papillomavirus (HPV) E7 protein is a viral oncoprotein expressed by high-risk HPV types. It disrupts normal cellular processes, promoting uncontrolled cell proliferation and genomic instability, and is critical for the development of HPV-associated cancers. E7 primarily functions by binding to and degrading the retinoblastoma tumor suppressor protein (pRb), releasing E2F transcription factors and driving cells into S-phase. It also inhibits apoptosis, modulates immune responses, and collaborates with the HPV E6 oncoprotein to transform host epithelial cells.

Other names
HPV E7E7 oncoproteinHPV16 E7HPV18 E7
02

Mechanism of action

Inhibition of E7 protein function, such as E7-pRb interaction

03

Biological functions

Cell cycle disruptionpRb degradationImmune evasionInhibition of apoptosisPromotion of genomic instabilityRegulation of transcription
04

Disease associations

Cervical cancerAnogenital cancersOropharyngeal cancersHPV infection
05

Safety considerations

Potential for off-target effectsDevelopment of resistanceImmune-related adverse events
06

Biomarkers

E7 protein expressionE7 mRNA levels

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