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Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells

Kristina Radošević ; Laboratory of Cell Culture Technology and Biotransformation, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia
Ruđer Novak ; Department for Biochemistry and Molecular Biology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, HR-10000 Zagreb, Croatia
Igor Slivac ; Laboratory of Cell Culture Technology and Biotransformation, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia
Mirna Mihajlović ; Laboratory of Cell Culture Technology and Biotransformation, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia
Jerka Dumić ; Department for Biochemistry and Molecular Biology, Faculty of Pharmacy and Biochemistry, University of Zagreb, Ante Kovačića 1, HR-10000 Zagreb, Croatia
Zlatko Kniewald ; Laboratory of Cell Culture Technology and Biotransformation, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia
Višnja Gaurina Srček   ORCID icon orcid.org/0000-0001-6591-3810 ; Laboratory of Cell Culture Technology and Biotransformation, Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia

Puni tekst: engleski, pdf (270 KB) str. 447-452 preuzimanja: 442* citiraj
APA 6th Edition
Radošević, K., Novak, R., Slivac, I., Mihajlović, M., Dumić, J., Kniewald, Z. i Gaurina Srček, V. (2011). Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells. Food Technology and Biotechnology, 49 (4), 447-452. Preuzeto s https://hrcak.srce.hr/75009
MLA 8th Edition
Radošević, Kristina, et al. "Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells." Food Technology and Biotechnology, vol. 49, br. 4, 2011, str. 447-452. https://hrcak.srce.hr/75009. Citirano 01.04.2020.
Chicago 17th Edition
Radošević, Kristina, Ruđer Novak, Igor Slivac, Mirna Mihajlović, Jerka Dumić, Zlatko Kniewald i Višnja Gaurina Srček. "Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells." Food Technology and Biotechnology 49, br. 4 (2011): 447-452. https://hrcak.srce.hr/75009
Harvard
Radošević, K., et al. (2011). 'Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells', Food Technology and Biotechnology, 49(4), str. 447-452. Preuzeto s: https://hrcak.srce.hr/75009 (Datum pristupa: 01.04.2020.)
Vancouver
Radošević K, Novak R, Slivac I, Mihajlović M, Dumić J, Kniewald Z i sur. Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells. Food Technology and Biotechnology [Internet]. 2011 [pristupljeno 01.04.2020.];49(4):447-452. Dostupno na: https://hrcak.srce.hr/75009
IEEE
K. Radošević, et al., "Cytotoxic and Apoptotic Effects of 17α-Ethynylestradiol and Diethylstilbestrol on CHO-K1 Cells", Food Technology and Biotechnology, vol.49, br. 4, str. 447-452, 2011. [Online]. Dostupno na: https://hrcak.srce.hr/75009. [Citirano: 01.04.2020.]

Sažetak
There is considerable concern about the substances present in the environment and their potential to interfere with the endocrine system of vertebrates. Among these, the so-called endocrine-disrupting compounds, which can modulate or disrupt developmental and reproductive processes, substances with estrogenic activity have attracted most attention. Concerns about the presence of these compounds in the environment have led to the development of screening and testing assays that are able to detect such substances and evaluate their potential to induce adverse effects. In vitro systems such as mammalian and fish cell lines have become of growing importance in toxicity testing of such compounds. The cytotoxic and apoptotic effects induced by 17α-ethynylestradiol and diethylstilbestrol were studied on CHO-K1 cell line. Trypan blue exclusion method was used to determine the cell viability. Cytotoxicity of 17α-ethynylestradiol (0.34–34 μM) and diethylstilbestrol (0.37–37 μM) was found to be concentration-dependent with IC50 values of 12.8 and 10.4 μM after 72 h of exposure, respectively. In treated CHO-K1 culture cell death was assessed by determining morphological changes by haematoxilyn and eosin staining, nuclear morphology by fluorescein diacetate/propidium iodide staining and fluorescence microscopy, DNA fragmentation by TUNEL method and translocation of phosphatidyl serine by flow cytometry. The obtained results showed that 17α-ethynylestradiol induced apoptosis, while diethylstilbestrol induced necrosis in the treated CHO-K1 cells.

Ključne riječi
apoptosis; CHO-K1 cells; cytotoxicity; diethylstilbestrol; 17α-ethynylestradiol; necrosis

Hrčak ID: 75009

URI
https://hrcak.srce.hr/75009

[hrvatski]

Posjeta: 846 *