Related Experiment Video
Updated: Jun 20, 2026
13:41
Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
Published on: March 8, 2012
Therapeutic HPV DNA vaccines
Archana Monie1, Shaw-Wei D Tsen, Chien-Fu Hung
1Department of Pathology, Johns Hopkins Medical Institutions, Baltimore, MD, USA. amonie1@jhmi.edu
Expert Review of Vaccines
|September 3, 2009
Summary
Developing therapeutic human papillomavirus (HPV) DNA vaccines is crucial for controlling HPV-associated cancers. Strategies to enhance DNA vaccine potency by modifying dendritic cells (DCs) show promise for future clinical applications.
Area of Science:
- Oncology
- Immunology
- Vaccinology
Background:
- Human papillomavirus (HPV) is linked to various cancers, including cervical, anal, and head/neck cancers.
- Preventive HPV vaccines are effective but lack therapeutic action against existing infections and lesions.
- Therapeutic vaccines are needed to control HPV-associated malignancies and precursor lesions.
Purpose of the Study:
- To explore the potential of therapeutic HPV DNA vaccines.
- To identify strategies for improving the immunogenicity and efficacy of DNA vaccines.
- To focus on modifying dendritic cells (DCs) for enhanced immune responses against HPV.
Main Methods:
- Investigating DNA vaccine platforms for therapeutic HPV applications.
- Examining strategies to enhance antigen presentation and T cell interaction in DNA-transfected DCs.
- Reviewing preclinical data and clinical trial progress for HPV DNA vaccines.
Main Results:
- DNA vaccines offer a safe and stable platform for therapeutic HPV vaccine development.
- Modifying dendritic cells can significantly improve DNA vaccine potency and immune response.
- Preclinical studies demonstrate encouraging results, supporting progression to clinical trials.
Conclusions:
- Therapeutic HPV DNA vaccines are a promising strategy for cancer control.
- Enhancing dendritic cell function is key to improving DNA vaccine efficacy.
- Further research and clinical trials are warranted to realize the full potential of HPV DNA vaccines.
Related Concept Videos
01:30Cancer Vaccines
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
01:28Herpes
Herpes simplex type 1 (HSV‑1) is a widespread pathogen responsible for orolabial lesions. It is an enveloped, double-stranded DNA (dsDNA) virus belonging to the family Herpesviridae. Once the virus infects a host cell, its double‑stranded DNA genome is delivered into the nucleus, where a coordinated cascade of immediate‑early, early, and late gene expression directs viral DNA replication, structural protein synthesis, and virion assembly. After primary infection of epithelial cells, HSV-1...
01:23Genital Herpes
Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
01:22Antiviral Nucleoside Inhibitors
Antiviral Nucleoside InhibitorsAntiviral nucleoside inhibitors are structural analogs of natural nucleosides that interfere with viral DNA or RNA synthesis. These compounds selectively target viral polymerases due to their resemblance to host nucleosides, thereby disrupting viral genome replication.Mechanism of Acyclovir ActionAcyclovir is a guanosine analog with a three-carbon acyclic side chain. It selectively targets herpes simplex virus type 1 (HSV-1), herpes simplex virus type 2 (HSV-2),...
01:27Tumor Immunotherapy
Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
00:55DNA Helicases
DNA unwinding helicase enzymes are a type of motor protein. Motor proteins can translocate along filaments or polymers using energy generated from ATP hydrolysis. Helicases are involved in all the important cellular processes where DNA unwinding is required, such as DNA replication, repair, recombination, and transcription. They are present in all living organisms, but vary in their structure, function, and mechanism of action. For example, in prokaryotes, DnaB helicase binds and translocates...