Viruses: Life Cycle and Disease · USMLE Step 1

A patient infected with HPV-16 develops cervical intraepithelial neoplasia. Which viral proteins inactivate tumor suppressors?

  1. E1 and E2
  2. E5 and E7
  3. E6 and E7
  4. E3 and E4
Show answer and explanation

Correct answer: E6 and E7

HPV E6 inhibits p53 and E7 inhibits Rb, promoting uncontrolled cell division and carcinogenesis.

Difficulty: Medium Question 9 of 20

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