Treating tumors independently of oxygen: Photodynamic therapy uses hydrogen peroxide instead

Photodynamic treatment of cancer is based on administering an initially inactive substance that is only activated in the ...

A single enzyme keeps neuroblastoma alive—how to shut it off

The tumor begins before birth. Somewhere in the developing fetus, neural crest cells that should have matured into adrenal tissue or sympathetic ganglia take a wrong turn, and a child is born ...