Synthesis, Characterization, DNA Interaction, and Antitumor Activities of La (III) Complex with Schiff Base Ligand Derived from Kaempferol and Diethylenetriamine

Table 4

IC₅₀ values of the tested compounds against tumor cell lines.

Cell line	IC50 value (M)
	La (III) complex	Ligand	La (III) nitrate	5-FU
HL-60	22.37 ± 0.93	32.49 ± 1.12	>100	37.59 ± 1.51
HepG-2	17.12 ± 1.06	24.39 ± 1.20	47.16 ± 2.65	6.78 ± 0.65

5-FU was used as control.