Related Experiment Video
Updated: Feb 14, 2026

12:08
Ex Vivo Infection of Live Tissue with Oncolytic Viruses
Published on: June 25, 2011
13.4K
Potentiating prostate cancer immunotherapy with oncolytic viruses
Patrick Lee1, Shashi Gujar1,2
1Department of Pathology and Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia B3H 1X5, Canada.
Nature Reviews. Urology
|February 14, 2018
Summary
Oncolytic viruses can overcome prostate cancer
Area of Science:
- Immunology
- Oncology
- Virology
Background:
- Prostate cancer immunotherapy effectiveness is limited by immunosuppression.
- Prostate cancer is immunogenic but faces immune evasion.
- Current immunotherapies often fail to elicit a strong anti-tumor immune response.
Purpose of the Study:
- To explore the potential of oncolytic viruses in prostate cancer immunotherapy.
- To investigate how oncolytic viruses can overcome tumor-associated immunosuppression.
- To assess the combination of oncolytic viruses with existing immunotherapies.
Main Methods:
- Review of oncolytic virus mechanisms in cancer.
- Analysis of oncolytic virus-induced immune modulation.
- Evaluation of combination strategies with immune checkpoint inhibitors and chemotherapy.
Main Results:
- Oncolytic viruses can reverse cancer-associated immune suppression.
- They enhance the efficacy of immune checkpoint inhibitors (PD1, PDL1, CTLA4) and chemotherapy.
- Oncolytic virus therapy can establish long-term protection against prostate cancer relapse.
Conclusions:
- Oncolytic viruses show promise in overcoming prostate cancer immunosuppression.
- Strategic use of oncolytic viruses, alone or in combination, may represent a breakthrough in prostate cancer immunotherapy.
- This approach could improve patient outcomes and provide durable anti-tumor immunity.
Related Concept Videos
Tumor Immunotherapy
2.0K
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.
2.0K
Rous Sarcoma Virus (RSV) and Cancer
6.4K
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
6.4K
What are Viruses?
128.5K
Overview
128.5K
Potential Energy
43.0K
The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
43.0K
Potential Energy
1.0K
A conservative force, such as a gravitational or elastic force, gives the body the capacity to do work. This capacity, measured as the potential energy, depends on the body's location or “position” relative to a fixed reference position or datum. The gravitational potential energy is considered zero at the reference point. Suppose a body is located at some vertical distance above a fixed horizontal reference or datum. In that case, the weight of the body has positive gravitational potential...
1.0K
Standard Electrode Potentials
50.6K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.6K

