New Study Suggests Bacteria Can Shrink Mesothelioma Tumors

A commercial bacterial compound can shrink mesothelioma cancer cells, according to a new study performed at the University of Western Australia.

Researchers at the university used a mix of proteins, created with Staphylococcus aureus (staph), on mice to determine if it helps fight pleural mesothelioma and shrink tumors. The bacteria was previously used to activate pleurodesis, and after success, scientists decided to test out the bacteria in other areas. The results have been successful.

Not only does the staph bacteria compound treat mesothelioma cells, but it also kills them, and helps to release beneficial immune system proteins into the body’s healthy cells.

“Tumour growth was significantly inhibited in the treatment group during and after the treatment period,” said Dr. Sally M. Lansley, lead author of the study.

Once the treatment was injected into the mice, researchers noticed that the tumorous cells died, while the healthy cells activated the T-cells, lymphocytes that help fight off tumors. When the injections stopped, however, the unhealthy mesothelioma started to grow all over again. 

Researchers also tried the staph bacteria compound on mice with peritoneal mesothelioma. The results were also successful: T-cells were activated while the unhealthy cells were destroyed.

The study appears positive in that not only does it effectively treat and kill mesothelioma cells without any side effects, but there is also easy, commercial access to the compound. With its commercial availability, treatment options using the staff compound is already way ahead of other experimental treatment options.

“This proof-of-principle study demonstrates promising antitumoural activity of a commercially available compound of S. aureus bio-products against mesothelioma,” Dr. Lansley wrote in the research report. 

Although there is still no cure for mesothelioma, the results of the study are promising, as the rates of mesothelioma continue to climb across the world. The United States has seen a decrease in mesothelioma cases in recent years, but scientists expect the disease to continue to surface.

The most common reason for mesothelioma is exposure to asbestos. The majority of mesothelioma victims were exposed to asbestos for prolonged periods of time while working at and around job sites in which asbestos-containing materials (ACMs) were heavily used. However, it’s important to note that many physicians and scientists have stated that no amount of asbestos is safe. While most cases of mesothelioma occurred after long-term exposure to the harmful mineral, there have been other instances in which the exposure was minor, yet still led to the development of asbestos-related diseases.

For more detailed information on mesothelioma, we invite you to fill out our contact form for a free Mesothelioma and Asbestos Guide. Our guide is filled with detailed information on causes, detection, symptoms, treatment options, and much more.

In addition, if you or a loved one have been affected by asbestos due to the negligence of another party, you may be entitled to significant compensation. Contact our leading, experienced mesothelioma law firm for a free, no-obligation case consultation.




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