Research Article

Depletion of Arginine by Recombinant Arginine Deiminase Induces nNOS-Activated Neurotoxicity in Neuroblastoma Cells

Table 1

The NMDA antagonist (+)-MK-801 prevents the rADI cytotoxicity upon nNOS-activation.

Cell viabilityControlrADI + NMDArADI + NMDA +
(+)-MK-801

% of control100 ± 2.887.4 ± 1.6*96.3 ± 1.0

The cell viability of the combination of rADI and 1 mM NMDA was different from the control and the 0.2  M (+)-MK-801 groups with values of and , respectively.