Cancer Treatment by Targeting the 'Achilles Heel' of Tumors

A recent discovery in the genetic structure of cancerous tumors may open a new front in the battle against this disease, potentially increasing the chances of curing cancer with strong and personalized treatments for each patient. According to The Guardian, this discovery is the result of research into the complexities of skin and lung cancer genetics and shows that even as cancerous tumors expand, they carry a series of specific 'signals' that can simplify the immune system's attack on them. These 'signals,' which appear to manifest as membrane proteins, exist only in cancer cells. Therefore, researchers believe that with new treatments that fundamentally rely on strengthening the immune system, cancer cells can be targeted more easily. These new treatment methods, which focus on boosting the immune system, are significantly more effective for treating certain types of cancer, such as skin cancer, than previous methods. Charles Swanton, a cancer specialist and head of the new research at the Francis Crick Institute in London, believes that the discovery of membrane proteins in cancer cells present in all patients is, in fact, the 'Achilles heel' that new treatments can target. This international research group, including researchers from Harvard University, the University of Massachusetts, and University College London, found that the immune systems of patients participating in this study had been activated against cancer cells. However, their immune responses were not strong enough to destroy the cancer cells. Further examinations of these patients revealed that their immune cells had correctly identified the locations of cancer cells using the 'signals' but had perished in the battle and become buried within the cancer cells. Dr. Swanton states, 'For the first time, we have discovered that cancerous tumors are, in fact, planting the seeds of their own destruction. And within these cancerous tumors, there are immune cells that recognize the characteristic signals of cancer cells.' Cancerous tumors evolve as they grow. Over time, influenced by genetic mutations, parts of these tumors apparently become different from other sections. However, Dr. Swanton's research group has discovered that even very complex cancerous tumors retain their main characteristic signals. According to The Guardian, this significant discovery presents two potential pathways for cancer treatment. In one approach, doctors can analyze the genetic structure of cancerous tumors through biopsies and identify the characteristic signals present in malignant cells. If immune cells from the patient are found in these tumors, they can be replicated in the laboratory and introduced into suitable locations in the patient's body through new therapeutic methods that specifically target the exact locations of cancerous tumors. In the other approach, the membrane proteins that are, in fact, the characteristic signals of cancerous tumors can be used to produce a vaccine against cancer. By injecting this vaccine into the patient's body, their immune cells will recognize them as invaders and attack. In practice, these new therapeutic methods should be used alongside existing drugs that prevent cancer from neutralizing the immune cells.