Scientists have found a common, targetable mechanism which tumors use to suppress immune responses. The mechanism involves the activity of a molecule called PTPN2, which is produced by tumors.
PTPN2 functions as an enzyme to modify other proteins in the cells, including those involved in the immune response. The activity of PTPN2 results in the suppression of the immune response, allowing tumors to grow unchecked.
The findings, published in the journal Nature, could lead to the development of new treatments for cancer that target this mechanism. Current treatments for cancer often fail because they are unable to kill all of the cancer cells, or they allow tumors to develop resistance to treatment.
Targeting PTPN2 could provide a novel approach to treatment that could overcome these challenges. In addition, because PTPN2 is a common molecule produced by tumors, this approach could potentially be effective against a wide range of cancers.
Further studies are needed to confirm the role of PTPN2 in cancer and to develop treatments that target this molecule. However, the findings offer a promising new approach to cancer treatment that could potentially improve the success of current treatments.
Tumors use a number of tricks to suppress the immune system and stop it from attacking them. Now, researchers have found a common, targetable mechanism which tumors use to achieve this.
The findings, published in the journal Science, could lead to the development of new immunotherapy treatments which could be effective against a range of different cancers.
The immune system is constantly on the lookout for foreign invaders, such as viruses and bacteria. When it detects these, it launches an attack to try and destroy them.
Cancer cells are also foreign invaders, but they have evolved ways to evade the immune system. One of the ways they do this is by releasing immunosuppressive factors which stop the immune system from attacking.
Now, researchers have found that a protein called TIM-3 is a key player in this process. TIM-3 is found on the surface of immune cells, and it normally works to keep the immune system in check.
However, when TIM-3 is hijacked by cancer cells, it starts to promote immunosuppression instead. The findings could lead to the development of new therapies which target TIM-3 in order to restore immune function in cancer patients.
While the findings are still in the early stages, the researchers are hopeful that they could lead to the development of new, more effective immunotherapy treatments for cancer.