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Synthesis, crystal structure, cytotoxicity and action mechanism of Zn(II) and Mn(II) complexes with 4-([2,2′:6′,2′′-terpyridin]-4′-yl)-: N, N -diethylaniline as a ligand

MedChemComm, ISSN: 2040-2511, Vol: 7, Issue: 6, Page: 1132-1137
2016
  • 8
    Citations
  • 0
    Usage
  • 13
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    8
    • Citation Indexes
      8
  • Captures
    13

Article Description

Two metallo-complexes, [Mn(L)]·2ClO (1) and [Zn(L)(NO)] (2), with 4-([2,2′:6′,2′′-terpyridin]-4′-yl)-N,N-diethylaniline (L) as the ligand were synthesized and characterized. They exhibited selective cytotoxicity against BEL-7404, SK-OV-3, MGC80-3, and T-24 cell lines with IC values in the micromolar range (1.28-14.86 μM). Further mechanistic studies showed that complexes 1 and 2 inhibited telomerase by interacting with c-myc G-quadruplex DNA and induced cell cycle arrest at the S phase. They also caused the down-regulation of cdc25 A, cyclin A, cyclin B and CDK2, and the up-regulation of p21, p27 and p53.

Bibliographic Details

Hua Hong Zou; Jun Guang Wei; Xiao Huan Qin; Shun Gui Mo; Qi Pin Qin; Yan Cheng Liu; Fu Pei Liang; Yun Liang Zhang; Zhen Feng Chen

Royal Society of Chemistry (RSC)

Biochemistry, Genetics and Molecular Biology; Pharmacology, Toxicology and Pharmaceutics; Chemistry

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