| Literature DB >> 24491735 |
Morteza Eskandani1, Hamed Hamishehkar2, Jafar Ezzati Nazhad Dolatabadi3.
Abstract
Tert-butylhydroquinone (TBHQ) was tested for potential cytotoxicity and genotoxicity upon A549 lung cancer cells and Human Umbilical Vein Endothelial Cells (HUVEC). Cytotoxicity was evaluated by MTT assay and flow cytometry analysis, while genotoxicity was assessed in vitro by alkaline comet, DNA fragmentation and DAPI staining assays. TBHQ dose- and time-dependently decreased the growth of A549 and HUVEC cells. Flow cytometry analyses determined early and late apoptosis in the treated cells. Also, single strand DNA breaking has been observed through comet assay technique. In addition, morphology of DAPI stained cells and DNA fragmentation assay using gel electrophoresis showed clear fragmentation in the chromatin and DNA rings within the nucleus of cell's treated TBHQ.Entities:
Keywords: A549; Apoptosis; Comet assay; DAPI staining assay; Flow cytometry; Tert-butylhydroquinone (TBHQ)
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Year: 2014 PMID： 24491735 DOI： 10.1016/j.foodchem.2013.12.087
Source DB: PubMed Journal: Food Chem ISSN： 0308-8146 Impact factor: 7.514