Olfactory receptors had been demonstrated in various healthy as well as cancerous tissues. The Bochum-based researchers have now detected the OR51B4 receptor (upregulated) in colorectal cancer cells. They identified the molecule troenan as activator of OR51B4. It smells of privet, a flowering shrub that is often cultivated in hedges.
— Read more at Olfactory receptors: New molecular targets detected in colorectal cancer cells at Science Daily.