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Cytotechnology

, Volume 70, Issue 1, pp 387–396 | Cite as

The investigation of ceranib-2 on apoptosis and drug interaction with carboplatin in human non small cell lung cancer cells in vitro

  • Merve Yildiz-Ozer
  • Pinar Oztopcu-Vatan
  • Gokhan Kus
Original Article

Abstract

Ceramide is found to be involved in inhibition of cell division and induction of apoptosis in certain tumour cells. Ceranib-2 is an agent that increases ceramide levels by inhibiting ceramidase in cancer cells. Therefore, we aimed to investigate the effects of ceranib-2 on cell survival, apoptosis and interaction with carboplatin in human non-small cell lung cancer cells. The cytotoxic effect of ceranib-2 (1–100 µM) was determined by MTT assay in human lung adenocarcinoma (A549) and large cell lung carcinoma (H460) cells. Carboplatin (1–100 µM) and lung bronchial epithelial cells (BEAS-2B) were used as positive controls. Morphological and ultrastructural changes were analysed by light microscope and TEM. Apoptotic/necrotic cell death and acid ceramidase activity were analysed by ELISA. Combination effects of ceranib-2 and carboplatin were investigated by MTT. The expression levels of CASP3, CASP9, BAX and BCL-2 were examined by qRT-PCR. The IC50 of ceranib-2 was determined as 22 μM in A549 cells and 8 μM in H460 cells for 24 h. Morphological changes and induction of DNA fragmentation have revealed apoptotic effects of ceranib-2 in both cell lines. Ceranib-2 and carboplatin has shown synergism in combined treatment at 10 and 25 μM doses in H460 cells for 24 h. Ceranib-2 inhibited acid ceramidase activity by 44% at 25 µM in H460 cells. Finally, CASP3, CASP9 and BAX expressions were increased while BCL-2 expression was reduced in both cells. Our results obtained some preliminary results about the cytotoxic and apoptotic effects of ceranib-2 for the first time in NSCLC cell lines.

Keywords

Ceranib-2 Ceramidase inhibitor Cytotoxicity Apoptosis Combined therapy 

Notes

Acknowledgements

This publications was based completely on M.Sc. thesis of the first author, Merve YILDIZ.

Funding

This study was supported by TUBITAK (The Scientific and Technical Research Council of Turkey), (Project Number: 214Z159).

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Merve Yildiz-Ozer
    • 1
  • Pinar Oztopcu-Vatan
    • 2
  • Gokhan Kus
    • 3
  1. 1.Graduate School of Natural and Applied SciencesEskisehir Osmangazi UniversityEskisehirTurkey
  2. 2.Department of Biology, Faculty of Arts and SciencesEskisehir Osmangazi UniversityEskisehirTurkey
  3. 3.Department of Health Programme, Open FacultyAnadolu UniversityEskisehirTurkey

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