- Hexosaminidase-altered aberrant crypts, carrying decreased hexosaminidase alpha and beta subunit mRNAs, in colon of 1,2-dimethylhydrazine-treated rats. Tsukamoto, T., Fukami, H., Yamanaka, S., Yamaguchi, A., Nakanishi, H., Sakai, H., Aoki, I., Tatematsu, M. Jpn. J. Cancer Res. (2001)