Related Experiment Video

Updated: May 13, 2026

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
12:42

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Published on: January 7, 2019

[Genetic, immunological, and pharmacological strategies to generate improved oncolytic viruses]

Jonathan Pol1, Fabrice Le Bœuf, Jean-Simon Diallo

  • 1Centre de recherche novatrice sur le cancer, Institut de recherche de l'hôpital d'Ottawa, Ontario, Canada.

Medecine Sciences : M/S
|March 5, 2013
PubMed

Insights

Oncolytic viruses, which infect and kill cancer cells, are a promising new cancer therapy. Research is ongoing to improve their effectiveness through genetic and immune strategies.

Area of Science:

  • Oncology
  • Virology
  • Immunology
  • Biotechnology

Context:

  • Medical literature has documented viral infections causing tumor regression for over a century.
  • The understanding of this phenomenon has paved the way for novel cancer treatment strategies.

Purpose:

  • To explore the therapeutic potential of oncolytic viruses in cancer treatment.
  • To discuss the mechanisms by which oncolytic viruses induce tumor regression.
  • To highlight ongoing research aimed at improving the efficacy of oncolytic virotherapy.

Summary:

  • Oncolytic viruses are defined by their ability to selectively replicate in and destroy cancer cells, while sparing healthy ones.
  • These viruses can trigger tumor regression via direct cell lysis and by stimulating the body's anti-tumor immune response.
  • Multiple oncolytic virus candidates are in advanced clinical trials, nearing potential approval for treating specific cancers.

Impact:

  • Oncolytic virotherapy represents a promising advancement in cancer treatment, offering a targeted approach.
  • Further development in genetic, immunological, and pharmacological strategies is expected to significantly enhance therapeutic outcomes.
  • The potential approval of oncolytic viruses marks a significant step towards innovative cancer therapies.

More Related Videos

Genome-wide RNAi Screening to Identify Host Factors That Modulate Oncolytic Virus Therapy08:51

Genome-wide RNAi Screening to Identify Host Factors That Modulate Oncolytic Virus Therapy

Published on: April 3, 2018

Related Concept Videos

Tumor Immunotherapy01:27

Tumor 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.
Cancer Therapies02:49

Cancer Therapies

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...
Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
Cancer Vaccines01:30

Cancer 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...
Mechanisms of Retrovirus-induced Cancers01:51

Mechanisms of Retrovirus-induced Cancers

Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...