Differential sensitivity of Fanconi anaemia lymphocytes to the clastogenic action of cis-diamminedichloroplatinum (II) and trans-diamminedichloroplatinum (II)
- PMID: 4065892
- DOI: 10.1007/BF00284574
Differential sensitivity of Fanconi anaemia lymphocytes to the clastogenic action of cis-diamminedichloroplatinum (II) and trans-diamminedichloroplatinum (II)
Abstract
Fanconi anaemia (FA) lymphocytes were tested for their susceptibility to chromosomal breakage by cis-diamminedichloroplatinum (II) [cis-Pt(II)] and its stereoisomer trans-diamminedichloroplatinum (II) [trans-Pt(II)]. Unlike trans-Pt(II), which is a rather inefficient clastogen, cis-Pt(II) is very efficient in inducing chromosomal breakage in FA cells at concentrations that hardly affect control cells. As both cis-Pt(II) and trans-Pt(II) are capable of inducing DNA interstrand crosslinks but only cis-Pt(II) can induce DNA intrastrand crosslinks, this result suggests that FA cells may be specifically sensitive to the intrastrand type of DNA crosslink.
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