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  • Title: Cytotoxicity of rhenium(I) alkoxo and hydroxo carbonyl complexes in murine and human tumor cells.
    Author: Yan YK, Cho SE, Shaffer KA, Rowell JE, Barnes BJ, Hall IH.
    Journal: Pharmazie; 2000 Apr; 55(4):307-13. PubMed ID: 10798247.
    Abstract:
    The rhenium(I) alkoxo/hydroxo carbonyl complexes were shown to be very potent in suspended tumor cell lines in suppressing growth but were more selective in inhibiting the growth of cultures from solid tumors. Their mode of action in L1210 lymphoid leukemia cells indicated that they were not alkylating agents but interfered with nucleic acid metabolism at multiple enzyme sites, e.g. dihydrofolate reductase, PRPP-amido transferase, thymidine kinase, with DNA strand scission after 60 min incubation. These compounds did not function mechanistically exclusively as cisplatin derivatives causing intrastrand linkages of DNA but rather they mimicked the metal complexes of aminecarboxyboranes, furan oximes, N-substituted thiosemicarbazones, trifluoromethyl borons and ferratricarbadecarbanyl complexes acting as antimetabolites.
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