A new study offers a surprising idea that could change how we prevent and manage certain cancers of the mouth and throat. Instead of complex hospital treatments, researchers are exploring something much simpler: chewing gum.
This research, led by scientists at the University of Pennsylvania School of Dental Medicine, suggests that specially designed chewing gum may help reduce harmful microbes linked to head and neck cancers.
Head and neck squamous cell cancer, often called HNSCC, is a serious disease that develops in the lining of the mouth and throat. It can be difficult to treat, especially when found at a late stage.
Many patients face limited treatment options, and even newer drugs have not greatly improved long-term survival or quality of life. Because of this, scientists are looking for new and more effective ways to fight this cancer.
One important factor in this disease is infection. Certain viruses and bacteria are known to increase the risk of developing HNSCC or make the disease worse. One of the most well-known is human papillomavirus, or HPV.
This virus has been strongly linked to cancers in the throat. In addition, two types of bacteria—Porphyromonas gingivalis and Fusobacterium nucleatum—have been associated with worse outcomes in patients with oral cancer.
The research team, led by Professor Henry Daniell, wanted to find a simple way to reduce these harmful microbes in the mouth. They built on earlier work using a natural chewing gum made from lablab beans. This gum contains a protein called FRIL, which has antiviral properties.
In the new study, published in Scientific Reports, the researchers tested how well this gum could reduce harmful microbes in samples from patients with HNSCC. They found that the gum extract reduced HPV levels by more than 90 percent in saliva samples and by about 80 percent in oral rinse samples. This is a very strong effect for such a simple treatment.
The team then improved the gum further. They added another component called protegrin, which is a small protein that can kill harmful bacteria.
With this enhanced gum, a single dose was able to reduce the levels of the two cancer-related bacteria to almost zero. Importantly, this treatment did not harm the good bacteria that normally live in the mouth and help keep it healthy.
This is very different from some current treatments, such as radiation therapy. Radiation can damage both harmful and helpful microbes and may even allow other problems, such as yeast infections, to develop. The chewing gum approach appears to be more targeted and gentle.
This research is important because it suggests a new way to prevent and support treatment of cancer. Instead of only focusing on treating tumors after they appear, this method aims to reduce the risk factors before the disease becomes severe. It may also help patients who are already undergoing treatment by lowering the levels of harmful microbes.
The study also highlights a growing problem. Rates of oral and throat cancers have been rising, especially among younger and middle-aged adults. HPV infection is a major reason for this increase. Finding simple and affordable ways to control these infections could have a big impact on public health.
However, it is important to understand that this research is still in an early stage. The results come from laboratory testing of patient samples, not from large clinical trials in people. This means we cannot yet say for certain how well the chewing gum will work in real-life situations over time.
The findings are promising because they show strong effects and use a method that is easy to apply. The approach is also likely to be low-cost, which could make it accessible to many people around the world. However, more studies are needed to confirm safety, long-term effects, and real-world benefits.
In summary, this study introduces an innovative and simple idea: using bioengineered chewing gum to reduce harmful microbes linked to cancer. While more research is needed, the results suggest this could become a useful tool for prevention and support in the future.
If you care about cancer, please read studies that a low-carb diet could increase overall cancer risk, and vitamin D supplements could strongly reduce cancer death.
For more information about health, please see recent studies about how drinking milk affects the risks of heart disease and cancer and results showing higher intake of dairy foods linked to higher prostate cancer risk.
Source: University of Pennsylvania.
