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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.
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...

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Related Experiment Video

Updated: Jun 25, 2026

Analysis of Targeted Viral Protein Nanoparticles Delivered to HER2+ Tumors
11:52

Analysis of Targeted Viral Protein Nanoparticles Delivered to HER2+ Tumors

Published on: June 18, 2013

Tumor targeting using canine parvovirus nanoparticles.

P Singh1

  • 1Division of Hematology and Oncology, Department of Medicine, Building 23, Room 436A, UCI Medical Center, 101 City Drive South, Orange, CA 92868, USA. pratiks@uci.edu

Current Topics in Microbiology and Immunology
|February 10, 2009
PubMed
Summary

Canine parvovirus (CPV) virus-like particles (VLPs) show promise for cancer treatment. These CPV-based VLPs naturally target tumor cells by binding to transferrin receptors (TfRs), enabling potential early diagnosis and targeted therapy.

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Last Updated: Jun 25, 2026

Analysis of Targeted Viral Protein Nanoparticles Delivered to HER2+ Tumors
11:52

Analysis of Targeted Viral Protein Nanoparticles Delivered to HER2+ Tumors

Published on: June 18, 2013

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

Published on: January 7, 2019

Viral Nanoparticles for In vivo Tumor Imaging
14:04

Viral Nanoparticles for In vivo Tumor Imaging

Published on: November 16, 2012

Area of Science:

  • Oncology
  • Nanotechnology
  • Virology

Background:

  • Cancer research integrates genetics, proteomics, and molecular biology for novel prevention and control strategies.
  • Multifunctional nanodevices are being developed for early cancer diagnosis and targeted treatment.
  • Viral particles offer unique advantages as nanostructures for targeted delivery due to their natural cell-binding and entry mechanisms.

Purpose of the Study:

  • To investigate the potential of canine parvovirus (CPV) and its virus-like particles (VLPs) as tumor-targeting agents.
  • To leverage the natural affinity of CPV for transferrin receptors (TfRs), which are overexpressed on human tumor cells.
  • To explore the feasibility of using CPV-based VLPs for targeted delivery of therapeutic or genetic cargo.

Main Methods:

  • Utilized canine parvovirus (CPV) virus-like particles (VLPs) as a base nanostructure.
  • Investigated the natural tropism of CPV VLPs for transferrin receptors (TfRs).
  • Modified CPV VLPs with dye molecules to assess impact on TfR binding and cellular internalization.

Main Results:

  • CPV VLPs demonstrated natural binding affinity to transferrin receptors (TfRs) of both canine and human origin.
  • Derivatization of CPV VLPs with dye molecules did not impede their ability to bind to TfRs.
  • Modified CPV VLPs were successfully internalized into human tumor cells, confirming their targeting capability.

Conclusions:

  • CPV-based VLPs possess inherent tumor-targeting capabilities due to their natural tropism for TfRs.
  • These CPV-derived nanostructures are promising for the development of novel nanomaterials for cancer therapy and diagnosis.
  • Further development of CPV-based VLPs could lead to advanced targeted drug or gene delivery systems for cancer treatment.