- The SHREW1 gene, frequently deleted in oligodendrogliomas, functions to inhibit cell adhesion and migration. McDonald, J.M., Dunlap, S., Cogdell, D., Dunmire, V., Wei, Q., Starzinski-Powitz, A., Sawaya, R., Bruner, J., Fuller, G.N., Aldape, K., Zhang, W. Cancer Biol. Ther. (2006)