Table 2.

Amounts of polyamines (ng/mL) in 4d-MCF-7-EM, 7d-MCF-7-EM, or 10d-MCF-7-EM and MCF-7 fresh medium (Ctrl). The p-value is related to the change in concentration of the analytes listed in the table in the medium analyzed.

Polyamines	Ctrl	4d-MCF-7-EM	7d-MCF-7-EM	10d-MCF-7-EM	p-Value
Putrescine	0.79	0.68	0.63	0.60	0.0005 ***
Spermidine	0.98	1.054	1.27	1.35	0.0009 ***
Spermine	1.29	1.22	1.09	0.86	0.001 ***
Agmantine	0.8	0.65	0.60	0.61	0.0007 ***
N-acetylputrescine	0.38	0.38	0.42	0.42	0.00003 ***
N-acetylspermine	0.411	0.420	0.510	0.515	0.0005 ***
N-acetylspermidine	0.322	0.284	0.268	0.270	0.0002 ***

Amounts of polyamines (ng/mL). Data are expressed as mean ± SD referred to the control (*** p ≤ 0.001).