You may have heard of PD-L1, and the massive change it made when it comes to cancer treatment. Many different drug companies are trying to figure out ways to use it to treat various cancers. Dr. Scott Strome was actually one of the researchers who discovered that the marker PD-L1 is expressed on tumors while he was working at the Mayo Clinic.
PD-L1 is one of many molecules that play a role in how a cancer interacts with and evades the immune system. Immunotherapy drugs work by waking up the immune system, and helping it recognize and attack these PD-L1 proteins.
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