HPV 18 L1-VLP

**Semantic type:** Immunologic Factor|Pharmacologic Substance

**Definition:** Noninfectious, synthetic, virus-like particles (VLP) containing the major viral capsid protein, L1, of the human papillomavirus type 18 with potential immunoprotective activity. Vaccination with HPV 18 L1-VLP may stimulate the host immune system to mount cytotoxic T lymphocyte (CTL) response against cells positive for HPV 18, thereby preventing cervical infection upon exposure to HPV type 18.