Related Experiment Video

Updated: Aug 16, 2026

Production and Purification of Non Replicative Canine Adenovirus Type 2 Derived Vectors
14:55

Production and Purification of Non Replicative Canine Adenovirus Type 2 Derived Vectors

Published on: December 3, 2013

Head and neck cancer: gene therapy approaches. Part 1: adenoviral vectors

John Nemunaitis1, John O'Brien

  • 13535 Worth Street, Collins Building, 5th floor, Dallas, Texas 75246, USA. John.Nemunaitis@USOncology.com

Expert Opinion on Biological Therapy
|February 19, 2002
PubMed

Insights

Gene therapy using modified adenoviruses offers a promising approach for head and neck cancer. These engineered viruses target cancer cells specifically, enhancing treatment efficacy and minimizing harm to healthy tissues.

Area of Science:

  • Oncology
  • Gene Therapy
  • Virology

Background:

  • Recurrent or refractory head and neck cancers have limited treatment options.
  • Gene therapy aims to deliver genetic material to cancer cells selectively.
  • Adenoviruses are common gene delivery vectors but lack cancer specificity.

Purpose of the Study:

  • To explore the potential of genetically modified adenoviruses for targeted cancer therapy.
  • To enhance the specificity of adenoviral gene delivery to malignant tissues.
  • To improve antitumour activity while reducing toxicity to normal cells.

Main Methods:

  • Genetic modification of adenoviral DNA to express cancer-specific ligands.
  • Utilizing cancer-specific promoters to control gene expression.
  • Preclinical studies and clinical trials evaluating safety and efficacy of modified adenoviral vectors.

Main Results:

  • Engineered adenoviruses demonstrated cancer-specific targeting by modifying viral ligands.
  • Cancer-specific promoters successfully limited gene expression to malignant tissues.
  • Preclinical and clinical data showed increased antitumour activity and safety.

Conclusions:

  • Genetically modified adenoviruses represent a viable strategy for targeted gene delivery in head and neck cancer.
  • Adenoviral vector modifications enhance antitumour efficacy and therapeutic index.
  • Clinical trials indicate the safety and efficacy of these vectors for cancer treatment.

More Related Videos

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo12:42

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

Published on: January 7, 2019

In Vitro Establishment of a Genetically Engineered Murine Head and Neck Cancer Cell Line using an Adeno-Associated Virus-Cas9 System05:45

In Vitro Establishment of a Genetically Engineered Murine Head and Neck Cancer Cell Line using an Adeno-Associated Virus-Cas9 System

Published on: January 9, 2020

Related Concept Videos

Gene Therapy00:59

Gene Therapy

Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be inserted. The...
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...
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...
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.