Related Experiment Video

Updated: May 16, 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

Parvoviruses-tools to fine-tune anticancer immune responses

Svitlana P Grekova1, Jean Rommelaere, Zahari Raykov

  • 1Programme Infection and Cancer; Tumour Virology Division F010 and Institut National de la Santé et de la Recherche Médicale (INSERM; Unit 701; German Cancer Research Center (DKFZ); Heidelberg, Germany.

Oncoimmunology
|December 18, 2012
PubMed

Insights

Rodent parvoviruses (PVs) are safe oncolytic viruses that effectively target and destroy cancer cells. These viruses also boost the immune system to fight glioma and pancreatic cancer.

Area of Science:

  • Oncolytic virotherapy
  • Viral oncology
  • Immunotherapy

Background:

  • Oncolytic virotherapy is an emerging cancer treatment strategy.
  • Rodent autonomous parvoviruses (PVs) are naturally oncolytic and human-safe.
  • PVs exhibit broad tropism, infecting both rodent and human transformed cells.

Purpose of the Study:

  • To evaluate the direct oncolytic effects of PVs.
  • To assess the adjuvant potential of PVs in stimulating antitumor immune responses.
  • To investigate PV efficacy against glioma and pancreatic ductal adenocarcinoma (PDAC).

Main Methods:

  • In vitro and in vivo studies using rodent parvoviruses.
  • Assessment of viral replication and cell lysis in transformed cells.
  • Evaluation of immune response modulation in preclinical cancer models.

Main Results:

  • PVs demonstrated direct oncolytic activity against cancer cells.
  • PVs acted as effective adjuvants, enhancing antitumor immunity.
  • Significant efficacy was observed against glioma and PDAC models.

Conclusions:

  • Rodent parvoviruses are promising oncolytic agents for cancer therapy.
  • PVs offer a dual mechanism of action: direct tumor lysis and immune stimulation.
  • This approach holds potential for treating challenging cancers like glioma and PDAC.

More Related Videos

Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant08:52

Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant

Published on: May 27, 2011

Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells10:04

Tractable In Vivo Reprogramming of Tumor Cells to Type 1 Conventional Dendritic Cell-like Cells

Published on: August 1, 2025

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 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...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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 specific...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...