Title : High specific induction of spermidine/spermine N1-acetyltransferase in a human large cell lung carcinoma.

Pub. Date : 1990 Sep 15

PMID : 2241897






4 Functional Relationships(s)
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1 The cytotoxic response of the human large cell lung carcinoma line NCI H157 to exposure to the polyamine analogue N1 N12-bis(ethyl)spermine (BESpm) is preceded by an extremely high induction of spermidine/spermine N1-acetyltransferase (SSAT). Polyamines spermidine/spermine N1-acetyltransferase 1 Homo sapiens
2 The cytotoxic response of the human large cell lung carcinoma line NCI H157 to exposure to the polyamine analogue N1 N12-bis(ethyl)spermine (BESpm) is preceded by an extremely high induction of spermidine/spermine N1-acetyltransferase (SSAT). Polyamines spermidine/spermine N1-acetyltransferase 1 Homo sapiens
3 Although other acetylases are capable of acetylating polyamines using acetyl-CoA as the acetyl donor, the greater than 600-fold induction within 24 h was found to be specifically SSAT, since essentially all activity was precipitable by the specific antisera. Polyamines spermidine/spermine N1-acetyltransferase 1 Homo sapiens
4 The large cell lung carcinoma line NCI H157 represents a useful system to produce large amounts of the SSAT protein and to study the molecular events responsible for the induction and control of this important polyamine-metabolic enzyme. Polyamines spermidine/spermine N1-acetyltransferase 1 Homo sapiens