Products of vitamin D3 or 7-dehydrocholesterol metabolism by cytochrome P450scc show anti-leukemia effects, having low or absent calcemic activity. oleh Andrzej T Slominski, Zorica Janjetovic, Brian E Fuller, Michal A Zmijewski, Robert C Tuckey, Minh N Nguyen, Trevor Sweatman, Wei Li, Jordan Zjawiony, Duane Miller, Tai C Chen, Gerard Lozanski, Michael F Holick