Plasmid DNA for Therapeutic Applications in Cancer

David Hernán Martínez-Puente1, José Juan Pérez-Trujillo1, Laura Mireya Zavala-Flores2

  • 1Histology Department, Faculty of Medicine, Universidad Autonoma de Nuevo Leon (UANL), Monterrey 64460, Mexico.

Pharmaceutics
|September 23, 2022
PubMed

Insights

Plasmid DNA therapies show promise for cancer treatment by stimulating immune responses and directly killing cancer cells. These nucleic acid strategies are advancing towards clinical approval for various cancers.

Area of Science:

  • Biotechnology
  • Molecular Biology
  • Cancer Therapeutics

Background:

  • Nucleic acid therapies, particularly plasmid DNA, are gaining traction for medical applications.
  • Cancer often involves immune suppression, hindering the body's natural defenses against malignant cells.

Purpose of the Study:

  • To review the strategies, challenges, and future outlook of utilizing plasmid DNA for cancer treatment.
  • To highlight the potential of DNA-based approaches in oncology.

Main Methods:

  • Review of current research and clinical findings on plasmid DNA in cancer therapy.
  • Analysis of DNA vaccination mechanisms and gene therapy applications.

Main Results:

  • DNA vaccination effectively stimulates the immune system to target cancer cells.
  • Plasmid DNA can be engineered to express therapeutic proteins for direct cancer cell killing.
  • Promising results in preclinical models are translating into encouraging clinical outcomes.

Conclusions:

  • Plasmid DNA strategies offer a dual approach to cancer treatment: immune stimulation and direct cytotoxicity.
  • These DNA-based therapies are progressing rapidly and are anticipated for near-future regulatory approval.
  • Further research and development are crucial to overcome challenges and maximize the potential of plasmid DNA in oncology.

Related Concept Videos

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...
7.8K
Plasmids01:28

Plasmids

Plasmids are extrachromosomal DNA molecules found in bacteria, archaea, and some eukaryotic microbes like yeast. These small, circular DNA structures typically contain fewer than 30 genes, although some may exist linearly. Plasmids vary in their number within a cell, known as copy number. Single-copy plasmids are present in one copy per cell and multi-copy plasmids are present in multiple copies, reaching over 100 copies per cell.Plasmids usually replicate independently of the chromosomal DNA...
91
Induced Pluripotent Stem Cells01:06

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
4.3K
Recombinant DNA01:09

Recombinant DNA

Overview
96.4K
Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
5.0K
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...
493