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12.05.2017 | Original Article

CYT-Rx20 inhibits ovarian cancer cells in vitro and in vivo through oxidative stress-induced DNA damage and cell apoptosis

verfasst von: Yen-Yun Wang, Yuk-Kwan Chen, Stephen Chu-Sung Hu, Ya-Ling Hsu, Chun-Hao Tsai, Tsung-Chen Chi, Wan-Ling Huang, Pei-Wen Hsieh, Shyng-Shiou F. Yuan

Erschienen in: Cancer Chemotherapy and Pharmacology | Ausgabe 6/2017

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Abstract

Purpose

The β-nitrostyrene family has been previously reported to possess anticancer property. However, the biological effects of β-nitrostyrenes on ovarian cancer and the underlying mechanisms involved remain unclear. In the present study, we synthesized a β-nitrostyrene derivative, CYT-Rx20 3′-hydroxy-4′-methoxy-β-methyl-β-nitrostyrene), and investigated its anticancer effects and the putative pathways of action in ovarian cancer.

Methods

The effects of CYT-Rx20 were analyzed using cell viability assay, reactive oxygen species (ROS) generation assay, FACS analysis, annexin V staining, immunostaining, comet assay, immunoblotting, soft agar assay, migration assay, nude mice xenograft study and immunohistochemistry.

Results

CYT-Rx20 induced cytotoxicity in ovarian cancer cells by promoting cell apoptosis via ROS generation and DNA damage. CYT-Rx20-induced cell apoptosis, ROS generation and DNA damage were reversed by thiol antioxidants. In addition, CYT-Rx20 inhibited ovarian cancer cell migration by regulating the expression of epithelial to mesenchymal transition (EMT) markers. In nude mice, CYT-Rx20 inhibited ovarian tumor growth accompanied by increased expression of DNA damage marker γH2AX and decreased expression of EMT marker Vimentin.

Conclusions

CYT-Rx20 inhibits ovarian cancer cells in vitro and in vivo, and has the potential to be further developed into an anti-ovarian cancer drug clinically.

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Titel: CYT-Rx20 inhibits ovarian cancer cells in vitro and in vivo through oxidative stress-induced DNA damage and cell apoptosis
verfasst von: Yen-Yun Wang
Yuk-Kwan Chen
Stephen Chu-Sung Hu
Ya-Ling Hsu
Chun-Hao Tsai
Tsung-Chen Chi
Wan-Ling Huang
Pei-Wen Hsieh
Shyng-Shiou F. Yuan
Publikationsdatum: 12.05.2017
Verlag: Springer Berlin Heidelberg
Erschienen in: Cancer Chemotherapy and Pharmacology / Ausgabe 6/2017
Print ISSN: 0344-5704
Elektronische ISSN: 1432-0843
DOI: https://doi.org/10.1007/s00280-017-3330-9

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CYT-Rx20 inhibits ovarian cancer cells in vitro and in vivo through oxidative stress-induced DNA damage and cell apoptosis

Abstract

Purpose

Methods

Results

Conclusions

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Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

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Abstract

Purpose

Methods

Results

Conclusions

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