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Synthesis and evaluation of nitric oxide-releasing DDB derivatives as potential Pgp-mediated MDR reversal agents in MCF-7/Adr cells

  • Xiaobo Tang
  • , Xiaoke Gu
  • , Hua Ai
  • , Guangji Wang
  • , Hui Peng
  • , Yisheng Lai
  • , Yihua Zhang
  • China Pharmaceutical University
  • Institute of Basic Medical Sciences

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Novel furoxan-based nitric oxide (NO)-releasing DDB derivatives (7a-j) were synthesized. Compounds 7i and 7j significantly reversed the resistance of MCF-7/Adr cells to doxorubicin in the combination treatment, and markedly increased the intracellular accumulation of doxorubicin probably via inhibiting Pgp-mediated intracellular drug efflux as well as down-regulating doxorubicin-induced Pgp expression. It was demonstrated that NO released by 7i and 7j played an important role in increasing intracellular doxorubicin accumulation and chemo-sensitizing MCF-7/Adr cells to doxorubicin, and the synergic effects of DDB and NO-donor moieties in 7i and 7j may contribute to reversing Pgp-mediated MDR in MCF-7/Adr cells to doxorubicin.

Original languageEnglish
Pages (from-to)801-805
Number of pages5
JournalBioorganic and Medicinal Chemistry Letters
Volume22
Issue number2
DOIs
StatePublished - 15 Jan 2012
Externally publishedYes

Keywords

  • DDB
  • MDR reversal agents
  • Multidrug resistance (MDR)
  • NO-releasing derivatives
  • Pgp inhibitor

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