Table 7. Micromolar (μM) GI₅₀ Values for Doxorubicin Alone and in Combination with a MAO-A Inhibitor Clorgyline Treatment in Colorectal Cancer Cell Lines^a.

	HCT116		Caco2		SW480		SW620		HT29
time (h)	Doxo	Comb	Doxo	Comb	Doxo	Comb	Doxo	Comb	Doxo	Comb
24	4.92	1.29	352.26	3.19	NA	NA	17.37	2.04	2.80	1.50
48	0.15	0.15	42.77	2.29	NA	NA	0.28	0.27	0.43	0.41
72	0.14	0.12	1.79	0.65	NA	NA	0.11	0.07	0.28	0.27

^aSD is not reported here since none exceeded 5%. h: hour; Doxo: doxorubicin; Comb: combination of doxorubicin and clorgyline [1:100] GI₅₀ (μM).