Table 3. Effects of monoamine oxidase inhibitors and irradiation on Bcl-2 protein expression in initially irradiated cultures of HaCaT cells treated as indicated.

Radiation dose (Gy)	MAOI	% Positive HaCaT cells
0	None	0
0	1 nM l-Deprenyl	100
0	10 μM l-Deprenyl	49±12
0	1 nM Clorgyline	56±8
0.5	None	12±4
0.5	1 nM l-Deprenyl	100
0.5	10 μM l-Deprenyl	79±15
0.5	1 nM Clorgyline	69±11
5.0	None	58±13
5.0	1 nM l-Deprenyl	100
5.0	10 μM l-Deprenyl	100
5.0	1 nM Clorgyline	100