molecules Article Determination of Cytotoxic Activity of Sanguinaria canadensis Extracts against Human Melanoma Cells and Comparison of Their Cytotoxicity with Cytotoxicity of Some Anticancer Drugs Tomasz Tuzimski 1,* , Anna Petruczynik 2,* , Tomasz Plech 3 , Barbara Kapro ´n 4, Anna Makuch-Kocka 3 , Małgorzata Szultka-Mły ´nska 5 , Justyna Misiurek 2 and Bogusław Buszewski 5 1 Department of Physical Chemistry, Medical University of Lublin, Chod´zki4a, 20-093 Lublin, Poland 2 Department of Inorganic Chemistry, Medical University of Lublin, Chod´zki4a, 20-093 Lublin, Poland;
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[email protected] (A.M.-K.) 4 Department of Clinical Genetics, Medical University of Lublin, Radziwiłłowska 11, 20-080 Lublin, Poland;
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[email protected] (A.P.) Abstract: Melanoma is an enormous global health burden, and should be effectively addressed with Citation: Tuzimski, T.; Petruczynik, A.; better therapeutic strategies. Therefore, new therapeutic agents are needed for the management of Plech, T.; Kapro´n,B.; Makuch-Kocka, this disease. The aim of this study was the investigation of cytotoxic activity of some isoquinoline A.; Szultka-Mły´nska,M.; Misiurek, J.; alkaloid standards and extracts obtained from Sanguinaria canadensis—collected before, during, Buszewski, B. Determination of and after flowering—against three different human melanoma cells (A375, G361, SK-MEL-3).