Cellular and Molecular Biology

Free Version

Upgrade subject to access all content


Role of Tumor Suppressors in Cancer


Tumor suppressor genes normally function to inhibit cell survival or cell proliferation, whereas proto-oncogenes promote cell survival or cell proliferation.

Please choose the BEST answer from the dropdown prompts below.

Mutant forms of tumor-suppressor genes act

, meaning that

before their protective function is lost; in contrast oncogenes act

. This means that a gene therapy-based treatment for certain types of cancers would work best for mutations within