Ovarian Cancer Cells Switched Off by ‘Unusual’ Mechanism Scientists on the Ovarian Cancers Action Research Center at Imperial University London can see a system that deactivates ovarian tumor cells proscar-medicament-finasteride.html . The findings, published in EMBO Reviews, may lead to better treatments for ladies with ovarian cancer. The study has found a fresh mechanism for any protein named OPCML. This protein is actually a tumor suppressor, since it helps prevent cells from turning cancerous. However, OPCML is shed in cancers sufferers usually.