Wappes, B. and Jennerwein, M. and Angerer, E. von and Engel, J. and Schönenberger, H. and Brunner, H. and Schmidt, M. and Berger, M. and Schmähl, D. and Seeber, S. (1984) The tumor-inhibiting effect of isomeric dichloro(diphenylethylenediamine)platinum(II) complexes. Journal of cancer research and clinical oncology 107 (1), pp. 15-20.
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Ring unsubstituted dichloro(diphenylethylenediamine)platinum(II) complexes show a dependence of their antitumor activity on the configuration and position of phenyl rings in ethylenediamine ligand. Dichloro(1,1-diphenylethylenediamine)platinum(II) (1d) and meso-dichloro(1,2-diphenylethylenediamine)-platinum(II) (meso-2d) have a weaker effect on the human breast-cancer cell line MDA-MB 231 and on rat leukemia L 5222 than (+/-)-dichloro(1,2-diphenylethylenediamine)platinum(II)((+)-2d) and its enantiomers (+)-2d and (-)-2d which cause marked and comparable inhibition of both tumors; (+/-)-2d is also active on ADJ/PC 6 plasmacytoma of the mouse and on cisplatin-, daunomycin-, and cisplatin/daunomycin-resistant Ehrlich ascites tumors of the mouse. The differences in activity of the diastereomers (+/-)-2d and meso-2d, for which distinct influences on the DNA secondary structure can be demonstrated CD spectroscopically may be explained by a steric hindrance of the drug-DNA interaction.
|Institutions:|| Chemistry and Pharmacy > Institute of Pharmacy > Retired Professors > Prof. Schönenberger|
Chemistry and Pharmacy > Institute of Pharmacy > Pharmaceutical/Medicinal Chemistry II (Prof. Buschauer)
|Subjects:||500 Science > 570 Life sciences|
500 Science > 540 Chemistry & allied sciences
600 Technology > 610 Medical sciences Medicine
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Owner:||Prof. Armin Buschauer|
|Deposited On:||11 Dec 2008 15:47|
|Last Modified:||19 Aug 2010 12:12|