- Up-regulation of spermidine/spermine N1-acetyltransferase (SSAT) expression is a part of proliferative but not anabolic response of mouse kidney. Dudkowska, M., Stachurska, A., Grzelakowska-Sztabert, B., Manteuffel-Cymborowska, M. Acta Biochim. Pol. (2002)