Abstract:
:Casiopeinas is the generic name of a group of copper chelated complexes designed to be used as antineoplastic. Some of these compounds have shown promising results, and in fact, one of them named Casiopeina III-ia has completed preclinical trials and is ready to start clinical phase I in Mexico. As part of the tests that have to be done to every molecule intended to be used in humans, bacterial assays are required because of their sensitivity, speed and reproducibility and among them, Ames test and the SOS Chromotest are widely used to evaluate DNA damage. With the aim to contribute to complete safety information related to genotoxicity and support the hypothesis about their mode of action, four different Casiopeinas (Cas II-gly, Cas III-Ea, Cas III-ia and Cas III-Ha) were tested for genotoxicity with these assays, as well as differential cytotoxicity upon Escherichia coli mutants defectives in some DNA repair mechanisms. However, although it is well known that these molecules produce DNA breakage, the results of the Chromotest and Ames test were negative. Despite this is controversial, a possible explanation is that there is a direct interaction between DNA and the Casiopeinas tested.
journal_name
J Inorg Biochemjournal_title
Journal of inorganic biochemistryauthors
Serment-Guerrero J,Bravo-Gomez ME,Lara-Rivera E,Ruiz-Azuara Ldoi
10.1016/j.jinorgbio.2016.11.007subject
Has Abstractpub_date
2017-01-01 00:00:00pages
68-75eissn
0162-0134issn
1873-3344pii
S0162-0134(16)30378-6journal_volume
166pub_type
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