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Osmium(VI) nitride triggers mitochondria-induced oncosis and apoptosis

Meng Ye1, Wan-Qiong Huang1, Zi-Xin Li1

  • 1Department of Medicinal Chemistry, Shantou University Medical College, Shantou, Guangdong, 515041, P. R. China. wxni@stu.edu.cn.

Chemical Communications (Cambridge, England)
|January 13, 2022
PubMed

Insights

A novel osmium(VI) nitrido complex demonstrates potent anticancer activity against liver cancer. It induces cell death through mitochondrial damage via oncosis and apoptosis, marking a first for osmium-based therapies.

Area of Science:

  • Inorganic Chemistry
  • Medicinal Chemistry
  • Oncology

Background:

  • Osmium complexes are being explored for their therapeutic potential.
  • Targeting cancer cell death pathways like apoptosis and oncosis is crucial for effective treatment.
  • Developing novel metallodrugs with unique mechanisms of action is an ongoing challenge.

Purpose of the Study:

  • To synthesize and characterize a new osmium(VI) nitrido complex.
  • To evaluate the anticancer activity of this complex against liver cancer cells.
  • To elucidate the mechanism of cell death induced by the complex.

Main Methods:

  • Synthesis of a novel osmium(VI) nitrido complex with a nonplanar tetradentate ligand.
  • In vitro testing of the complex's cytotoxicity on liver cancer cell lines.
  • Mitochondrial damage assessment and analysis of cell death pathways (oncosis and apoptosis).

Main Results:

  • The novel osmium(VI) nitrido complex exhibited potent anticancer activity.
  • The complex induced significant mitochondrial damage in liver cancer cells.
  • Cell death was mediated through both oncosis and apoptosis.

Conclusions:

  • This study introduces a promising osmium-based anticancer candidate.
  • The complex's ability to induce oncosis represents a novel therapeutic strategy.
  • Further investigation into this osmium complex for liver cancer treatment is warranted.

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