Melanoma stem cells' evasive talents

Melanoma, if not detected in its early stages, transforms into a highly deadly, treatment-resistant cancer. Although the immune system initially responds to melanoma and mounts anti-tumor attacks, these assaults are generally ineffective, allowing more advanced melanomas to win the battle and spread beyond the primary site. Now, researchers at Children's Hospital Boston and Brigham and Women's Hospital (BWH) shed light on how melanomas stimulate, yet ultimately evade, a patient's immune system. Their work, published online January 12 by the journal Cancer Research, also suggests ways drugs might block these tactics.

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