A team of researchers from Cedars-Sinai Health Sciences University has made an exciting discovery that could lead to better treatments for two serious cancers: colorectal cancer and liver cancer.
These cancers are among the most common and dangerous forms of the disease, especially when they spread from one part of the body to another.
Colorectal cancer begins in the large intestine or rectum and is one of the most frequently diagnosed cancers worldwide. In many cases, it can spread to the liver, which is a life-threatening stage of the disease. Once cancer reaches the liver, it becomes much harder to treat, and survival rates often decrease.
In this new study, scientists focused on understanding how cancer cells grow and spread. They looked closely at two proteins called GIT1 and MAT2B. Proteins are small structures inside our cells that carry out important tasks. However, in cancer, some proteins behave abnormally and help tumors grow.
The researchers found that GIT1 and MAT2B are present at very high levels in colorectal and liver cancers. These two proteins work together by forming a structure that supports cancer cell growth. This structure acts like a scaffold, giving cancer cells the support they need to grow, multiply, and spread to other parts of the body.
The team then tested a special compound called C3. This compound behaves like a drug and is designed to target the GIT1 protein. When C3 interacts with GIT1, it breaks the connection between GIT1 and MAT2B. This disrupts the scaffold that cancer cells depend on.
As a result, cancer cells lose their support system. Without this structure, their growth slows down, and many of them begin to die. This also reduces the ability of cancer to spread to other parts of the body.
The study was carried out in a laboratory setting, which means it is still in the early stages. However, the results are very promising. The findings were published in the scientific journal Cell Death & Disease, which highlights important advances in cancer research.
The lead researcher, Dr. Shelly Lu from Cedars-Sinai, explained that this discovery could have wide applications. Since GIT1 is overactive in many types of cancer, targeting it could help treat not only colorectal and liver cancer but also other cancers in the future.
In related research published in the Journal of Experimental & Clinical Cancer Research, the same team made another important discovery. They found that cancer cells can release two forms of an enzyme called MATα2. These enzymes weaken the liver’s natural defense system, making it easier for cancer to spread and survive in the liver.
This means that cancer does not just grow on its own. It also changes the environment around it to make survival easier. By understanding this process, scientists may be able to develop new treatments that block cancer from spreading.
Although this research is still in the preclinical stage, it offers hope for future treatments. The next step for scientists is to improve the C3 compound so that it works even better and can be tested in human studies.
When reviewing these findings, it is important to understand both their strengths and limitations. The study provides a clear explanation of how specific proteins help cancer grow, and it offers a targeted way to stop this process. This is a strong scientific approach because it focuses on the root cause of cancer growth.
However, since the research has not yet been tested in humans, more studies are needed to confirm safety and effectiveness. What works in the lab does not always work the same way in the human body.
Overall, this study represents an important step forward in cancer research. It shows that by targeting key proteins, it may be possible to slow down or even stop cancer growth. If future studies confirm these results, this discovery could lead to new and more effective treatments for patients.
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