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Cancer Vaccines

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...

Targeted Cancer Therapies

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...

Targeted Cancer Therapies

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...

The Central Dogma

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The central dogma explains the flow of genetic information from DNA nucleotides to the amino acid sequence of proteins.
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In the early 1900s, scientists discovered that DNA stores all the information needed for cellular functions and that proteins perform most of these functions. However, the mechanisms of converting genetic information into functional proteins remained unknown for many years. Initially, it was believed that a single gene is...

Cancer Prevention

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Cancer Prevention

Cancer Prevention

Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...

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Updated: Jul 14, 2026

DNA Vector-based RNA Interference to Study Gene Function in Cancer

DNA Vector-based RNA Interference to Study Gene Function in Cancer

Published on: June 4, 2012

Towards progress on DNA vaccines for cancer.

D B Lowe¹, M H Shearer, C A Jumper

¹Department of Microbiology and Immunology, Texas Tech University Health Sciences Center, 3601 4th Street STOP 6591, Lubbock, TX 79430-6591, USA.

Cellular and Molecular Life Sciences : CMLS

|June 15, 2007

Summary

Cancer DNA vaccines show promise but face challenges in human trials. Future success relies on enhancing immune response and overcoming tumor evasion through combination strategies.

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DNA Vector-based RNA Interference to Study Gene Function in Cancer

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Published on: June 4, 2012

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Published on: October 18, 2012

Area of Science:

Oncology
Immunology
Vaccinology

Background:

Cancer immunotherapy aims to harness the immune system against tumors, but faces significant hurdles.
Tumor cells employ immunosuppressive networks and evasion tactics, hindering effective anti-cancer immune responses.
Plasmid DNA vaccines offer a promising strategy for cancer immunization, capable of inducing both humoral and cellular immunity.

Purpose of the Study:

To review the challenges and advancements in DNA vaccine technology for cancer treatment.
To explore strategies for improving the efficacy of DNA vaccines in clinical settings.
To highlight the importance of combinatorial approaches in overcoming tumor-induced immunosuppression.

Main Methods:

Review of current literature on cancer immunotherapy and DNA vaccine development.
Analysis of preclinical and clinical trial data for DNA vaccines in cancer.
Discussion of mechanisms underlying tumor immune evasion and strategies to counteract them.

Main Results:

DNA vaccines have demonstrated efficacy in preclinical cancer models but limited success in human clinical trials for cancer regression.
Progress has been made in enhancing DNA vaccine immunogenicity and developing methods to subvert tumor immunosuppressive properties.
Combinatorial strategies are crucial for directing immune responses and targeting tumor evasion mechanisms.

Conclusions:

Despite initial limitations, DNA vaccines remain a viable platform for cancer immunotherapy.
Overcoming tumor-induced immunosuppression and enhancing vaccine immunogenicity are key to successful clinical application.
Future clinical success of DNA vaccines in cancer patients hinges on integrated strategies targeting both the vaccine response and tumor evasion tactics.