Immunotherapy is a popular new drug treatment that stimulates the body’s natural immune system to attack tumors. It is effective against many types of cancer, but not so much against lung cancer. Why?
A new study reveals that lymph nodes near the lungs create an environment that weakens T-cell responses to tumors. “Despite the fact that these T cells are proliferating, and they’re infiltrating the tumor, they were never licensed to kill,” explains Stefani Spranger, senior author of the new study.
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