Scientists uncover a hidden driver of melanoma that both feeds tumors and shields them from the immune system—and stopping it could hit cancer from both sides. Credit: AI/ScienceDaily.com A molecule that helps control gene activity has now been tied to both the growth of skin cancer and its ability to avoid the body's immune defenses, according to new research. Scientists from NYU Langone Health and its Perlmutter Cancer Center found that a key protein, known as the transcription factor HOXD13,