A<unk>  is a protein that acts to slow or prevent<unk>  (secondary tumors) from spreading in the body of an organism with cancer.<unk>  is one of the most lethal cancer processes. This process is responsible for about ninety percent of human cancer deaths. Proteins that act to slow or prevent<unk>  are different from those that act to suppress tumor growth. Genes for about a dozen such proteins are known in humans and other animals.
Metastasis suppressor
Mitogen
Growth factor receptor inhibitor
Oncogene
Anticancer gene
CDK inhibitor
Radiosensitizer
Histone deacetylase inhibitor