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. 2002 Mar 17;182(2):113–119. doi: 10.1016/S0304-3835(02)00086-1

Table 3.

Soluble aminopeptidase activity in cell culture media

Substrate Product (MCA) concentration (nM/100 μl/10 min)
RPMI+10% FBS Conditioned medium U937 Conditioned medium K562
AlaMCA 20.9±2.1 20.9±1.5 22.1±1.5
LeuMCA 15.4±0.6 20.2±1.5 27.6±0.6
ArgMCA 14.9±0.1 24.2±0.4 46.2±2.0