Genotoxic effects of tacrolimus on human lymphocyte cells

Genotoxic effects of tacrolimus on human lymphocyte cells We designed in vitro study to determine possible genotoxic effects of tacrolimus (FK-506), which is used as a potent immunosuppressive drug, by using sister chromatid exchange (SCEs), chromosome aberration (CAs), micronuclei tests (MN) and cell growth kinetics such as mitotic index (MI) and replication index (RI) in human lymphocytes. The ceils were treated with 5, 25, 50, and 100 ng/ml concentrations of tacrolimus, for 24 and 48 h treatment periods. Tacrolimus induced CA and MN frequency at all concentrations for 24 and 48 h. In additon, it induced the SCE at the highest concentration for 24 h and at 25 and 100 ng/ml for 48 h. Tacrolimus decreased MI at all concentrations (except 5 ng/ml) for all treatment periods. It also inhibited the RI at 50 and 100 ng/ml concentrations for 24 h and at all concentrations for 48 h. Treatments given with tacrolimus result in the enhance of the different endpoints of genotoxicity, suggesting its mutagenic action on lymphocytes in vitro. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Genotoxic effects of tacrolimus on human lymphocyte cells

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795412050134
Publisher site
See Article on Publisher Site

Abstract

We designed in vitro study to determine possible genotoxic effects of tacrolimus (FK-506), which is used as a potent immunosuppressive drug, by using sister chromatid exchange (SCEs), chromosome aberration (CAs), micronuclei tests (MN) and cell growth kinetics such as mitotic index (MI) and replication index (RI) in human lymphocytes. The ceils were treated with 5, 25, 50, and 100 ng/ml concentrations of tacrolimus, for 24 and 48 h treatment periods. Tacrolimus induced CA and MN frequency at all concentrations for 24 and 48 h. In additon, it induced the SCE at the highest concentration for 24 h and at 25 and 100 ng/ml for 48 h. Tacrolimus decreased MI at all concentrations (except 5 ng/ml) for all treatment periods. It also inhibited the RI at 50 and 100 ng/ml concentrations for 24 h and at all concentrations for 48 h. Treatments given with tacrolimus result in the enhance of the different endpoints of genotoxicity, suggesting its mutagenic action on lymphocytes in vitro.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Jun 14, 2012

References

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