Related Experiment Video
Updated: Dec 21, 2025

08:32
Genome-Wide CRISPR Screen for Unveiling Radiosensitive and Radioresistant Genes
Published on: May 23, 2025
947
Targeting cancer vulnerabilities with high-dose vitamin C
Bryan Ngo1, Justin M Van Riper2, Lewis C Cantley3
1Meyer Cancer Center, Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
Nature Reviews. Cancer
|April 11, 2019
Summary
High-dose vitamin C shows promise in cancer treatment by targeting cancer cell vulnerabilities. Further clinical trials are needed to validate its efficacy and identify patient populations for vitamin C therapy.
Area of Science:
- Oncology
- Biochemistry
- Pharmacology
Background:
- The use of vitamin C for cancer treatment has been controversial for decades.
- Recent research into vitamin C pharmacokinetics and preclinical studies has renewed interest in high-dose vitamin C therapy for cancer.
Purpose of the Study:
- To discuss how high-dose vitamin C can target key cancer cell vulnerabilities.
- To explore the potential of vitamin C in cancer treatment by examining its effects on redox imbalance, epigenetic reprogramming, and oxygen-sensing regulation.
Main Methods:
- Review of recent preclinical studies and pharmacokinetic data.
- Discussion of proposed mechanisms of action for pharmacological vitamin C in cancer cells.
Main Results:
- Pharmacological doses of vitamin C appear to target critical mechanisms essential for cancer cell survival and proliferation.
- Vitamin C may disrupt redox balance, influence epigenetic modifications, and affect oxygen-sensing pathways in cancer cells.
Conclusions:
- New discoveries suggest vitamin C has anticancer properties by targeting cancer cell vulnerabilities.
- Further validation through well-controlled clinical trials is necessary to confirm these findings and optimize vitamin C therapy for specific cancer types and patient groups.
Related Concept Videos
Targeted Cancer Therapies
8.5K
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...
There are several types of targeted therapies against...
8.5K
Cancer Prevention
7.5K
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...
Some...
7.5K
Cancer Vaccines
869
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...
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...
869
Combination Therapies and Personalized Medicine
5.8K
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...
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...
5.8K
Cancer Therapies
9.7K
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...
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...
9.7K
Treatment Resistant Cancers
3.6K
Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.6K

