Researchers at the University of Minnesota have made a discovery that may open a new path for treating difficult blood cancers.
Their research suggests that vitamin B3, a common nutrient found in many foods, could help strengthen the body’s natural defenses against cancer.
Cancer remains one of the leading causes of death worldwide. Although doctors now have many powerful treatments such as chemotherapy, radiation therapy, stem cell transplants, and targeted drugs, many patients still struggle when their cancer stops responding to treatment.
This problem can be especially serious for people with blood cancers such as leukemia and lymphoma. These cancers affect the blood, bone marrow, and immune system, making them particularly difficult to treat once standard therapies fail.
Because of this, scientists continue searching for new approaches that can help the body fight cancer more effectively.
The research team at the University of Minnesota focused on natural killer cells, an important part of the immune system. These cells act like the body’s security guards, constantly searching for dangerous cells such as viruses or cancer.
When natural killer cells detect a threat, they attack and attempt to destroy it before it spreads further.
For years, researchers have hoped natural killer cells could become a powerful cancer treatment. However, there has been one major challenge. In many cancer patients, these cells become weak or exhausted and are unable to kill enough cancer cells.
Doctors have previously tried using natural killer cells in cancer therapy, but the results have often been inconsistent. Some patients improved significantly, while others experienced little benefit.
Instead of using complicated genetic engineering methods, the Minnesota researchers tried something much simpler. They treated natural killer cells with vitamin B3, also known as nicotinamide.
Vitamin B3 is best known as an important nutrient that helps the body turn food into energy. It is naturally found in foods such as meat, fish, nuts, grains, and vegetables.
The scientists discovered that when natural killer cells were exposed to vitamin B3 in the laboratory, the cells became stronger and more active. They were better at recognizing cancer cells and destroying them more efficiently.
The vitamin also appeared to help protect the immune cells from becoming exhausted too quickly. This is important because immune cells often weaken after prolonged battles against cancer.
Researchers then moved beyond laboratory studies and tested the approach in patients with very difficult blood cancers.
The study involved 30 people whose cancers had been hard to treat using standard therapies.
The results were encouraging. Among 19 patients with a form of lymphoma, 11 experienced a complete recovery after receiving the vitamin-enhanced natural killer cell treatment. Another three patients experienced partial recovery.
Many of these improvements happened within less than one month, giving doctors and patients new hope.
Scientists say these findings are exciting because they suggest a relatively simple change may dramatically improve how well immune-based cancer treatments work.
Vitamin B3 itself has a long history in medicine. In the early 1900s, doctors discovered that a lack of vitamin B3 caused a serious disease called pellagra. Patients developed skin problems, digestive illness, weakness, and mental confusion.
Once researchers realized the disease was caused by vitamin deficiency, adding vitamin B3 to foods became an effective public health solution that saved many lives.
Now, decades later, scientists believe the same vitamin may help support advanced cancer treatment in a completely different way.
The researchers stress that larger studies are still needed before the treatment can become widely available. Future clinical trials will help scientists confirm how safe and effective the therapy is across larger groups of patients.
Researchers also hope to better understand exactly how vitamin B3 strengthens natural killer cells and whether similar approaches may help treat other forms of cancer.
The study also highlights the growing importance of immunotherapy, a field of medicine that uses the body’s own immune system to fight disease.
Unlike traditional chemotherapy, which can damage both healthy and cancerous cells, immune-based therapies aim to target cancer more precisely.
If you care about nutrition, please read studies about the best time to take vitamins to prevent heart disease, and vitamin D supplements strongly reduce cancer death.
For more information about nutrition, please see recent studies about plant nutrient that could help reduce high blood pressure, and these antioxidants could help reduce dementia risk.
Source: University of Minnesota.
