- The human growth-arrest-specific gene GAS1 maps outside the candidate region of the gene for nevoid basal cell carcinoma syndrome. Wicking, C., Breen, M., Negus, K., Berkman, J., Evdokiou, A., Cowled, P., Chenevix-Trench, G., Wainwright, B. Cytogenet. Cell Genet. (1995)