Abstract
Here we report the cytotoxic effects of the two ternary copper(II)
complexes Cu(Phen)(L-methionine) H2OCl center dot 1.5H(2)O
(Cu(PHEN)(MET)) and Cu(Phen)(L-asparagine)H2OClH2O (Cu(PHEN)(ASN)),
which showed high chemotherapy potential against cancer cells lines. A
novel ternary copper(II) complex, Cu (PHEN)(ASN) has been synthesized
and its crystalline structure has been determined by single crystal
X-ray diffraction. The new complex crystallized in a triclinic system
with P-1 space group. The copper (II) center is situated in a trigonal
bipyramidal molecular geometry. Both complexes exhibited potent
cytotoxic effects against cancer cells lines, killing 100% human
melanoma cancer cells line MV3 and 90% human breast cancer cells line
MCF7 at a concentration of 50 mu g/ml. Less pronounced but still very
good effects were observed for human breast cancer cells line MDA-MB-23
and human prostate cancer cells lines DU-145 and PC3, where both
complexes killed about 70% of these cells lines at a concentration of
50 mu g/ml. The Cu(PHEN)(MET) and Cu(PHEN)(ASN) complexes also presented
low IC50 values. (C) 2020 Elsevier Ltd. All rights reserved.
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