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NSC23925 Prevents the Emergence of Multidrug Resistance in Ovarian Cancer in Vitro and in Vivo

NSC23925 Prevents the Emergence of Multidrug Resistance in Ovarian Cancer in Vitro and in Vivo

Xiaoqian Yang, Yong Feng, Yan Gao, Jacson Shen, Edwin Choy, Gregory Cote, David Harmon, Zhan Zhang, Henry Mankin, Francis J Hornicek, Zhenfeng Duan

Gynecol Oncol. 2015 Apr;137(1):134-42.

PMID: 25677062

Abstract:

Objective:
The development of multidrug resistance (MDR) remains the significant clinical challenge in ovarian cancer therapy; however, relatively little is known about how to prevent the emergence of MDR during chemotherapy treatment. NSC23925 previously has been shown to prevent the development of MDR in osteosarcoma cells in vitro. The purpose of this study was to evaluate the effects of NSC23925 on the prevention of MDR in ovarian cancer, especially in vivo.
Methods:
Human ovarian cancer cells were treated with paclitaxel alone or in combination with NSC23925 in vitro and in vivo. MDR ovarian cancer cells were established both in cultured cells and mouse models. The expression levels of Pgp and MDR1 were evaluated in various selected cell sublines by Western blot and real-time PCR. Pgp activity was also determined.
Results:
Paclitaxel treated cells eventually developed MDR with overexpression of Pgp and MDR1, and with high activity of Pgp, while paclitaxel-NSC23925 co-treated cells remained sensitive to chemotherapeutic agents in both in vitro and in vivo models. There was no observed increase in expression level and activity of Pgp in paclitaxel-NSC23925 co-treated cells. Additionally, there were no changes in the sensitivity to chemotherapeutic agents, nor expression of Pgp, in cells cultured with NSC23925.
Conclusion:
Our findings suggest that NSC23925 can prevent the emergence of MDR in ovarian cancer both in vitro and in vivo. The clinical use of NSC2395 at the onset of chemotherapy may prevent the development of MDR and improve the clinical outcome of patients with ovarian cancer.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP858474143	NSC23925		858474-14-3	Price

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