Related Experiment Video
Updated: Nov 6, 2025
12:42
Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
Published on: January 7, 2019
9.7K
Adjuvant oncolytic virotherapy for personalized anti-cancer vaccination
D G Roy1,2, K Geoffroy3,4,5, M Marguerie1,2
1Centre for Innovative Cancer Research, Ottawa Hospital Research Institute, Ottawa, ON, Canada.
Nature Communications
|May 12, 2021
Summary
Therapeutic anti-cancer vaccines using oncolytic viruses (OVs) and antigenic peptides are as effective as engineered OVs. This approach offers a promising, replication-independent strategy for personalized cancer immunotherapy.
Area of Science:
- Oncology
- Immunology
- Virology
Background:
- Cancer immunotherapies offer durable benefits and systemic protection.
- Therapeutic anti-cancer vaccines aim to prime and boost anti-tumor immunity.
- Oncolytic viruses (OVs) can directly kill cancer cells and serve as vaccine platforms.
Purpose of the Study:
- To evaluate the efficacy of anti-cancer vaccination using OVs co-administered with antigenic peptides.
- To determine if this strategy is independent of viral replication and tumor sensitivity.
- To explore a novel approach for personalized cancer vaccines.
Main Methods:
- Utilized Adenovirus (Ad), Maraba virus (MRB), Vesicular stomatitis virus (VSV), and Vaccinia virus (VV) as OVs.
- Co-administered OVs with antigenic peptides.
- Compared efficacy with antigen-engineered OVs.
Main Results:
- Anti-cancer vaccination using OVs and antigenic peptides demonstrated efficiency comparable to antigen-engineered OVs.
- The vaccination efficacy was independent of viral replication.
- This strategy bypasses the dependency on tumor sensitivity to OV infection.
Conclusions:
- Oncolytic viruses (OVs) serve as effective adjuvant platforms for therapeutic anti-cancer vaccination.
- Co-administration with antigenic peptides offers a robust and flexible vaccination strategy.
- This approach holds significant potential for developing personalized cancer vaccines targeting patient-specific mutations.
Related Concept Videos
01:30Cancer Vaccines
600
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...
600
01:27Tumor Immunotherapy
801
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.
801
02:57Targeted Cancer Therapies
8.0K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
8.0K
02:50Combination Therapies and Personalized Medicine
5.4K
Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
5.4K
02:49Cancer Therapies
8.9K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
8.9K