Flexible ligated ruthenium(II) self-assemblies sensitizes glioma tumor initiating cells in vitroopen access
- Authors
- Elumalai, Palani; Kaushik, Neha; Kim, Dong Hwan; Kim, Hyunuk; Lee, Su Jae; Choi, Eun Ha; Chi, Ki-Whan; Kaushik, Nagendra Kumar
- Issue Date
- Sep-2017
- Publisher
- IMPACT JOURNALS LLC
- Keywords
- self-assembly; flexible ligand; arene-ruthenium; metallacycle; solid cancer
- Citation
- ONCOTARGET, v.8, no.36, pp.60188 - 60200
- Indexed
- SCIE
SCOPUS
- Journal Title
- ONCOTARGET
- Volume
- 8
- Number
- 36
- Start Page
- 60188
- End Page
- 60200
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/19418
- DOI
- 10.18632/oncotarget.19028
- Abstract
- The tumorigenic potentials of residual cancer stem-like cells within tumors represent limitations of current cancer therapies. Here, the authors describe the effects of synthesized flexible, ligated, supramolecular self-assembled chair type tetranuclear ruthenium (II) metallacycles (2-5) on glioblastoma and glioma stem like cells. These self-assemblies were observed to be selectively toxic to glioma cells and CD133-positive glioma stem like cells population. Of the self-assembled compounds tested, metallacycle 4 more efficiently induced glioma stem like cells death within a brain cancer cell population and simultaneously inhibited the formation of free-floating gliospheres by reducing the sphere size. Detailed cell death studies revealed that treatment with metallacycle 4 reduced mitochondrial membrane potentials (an indicator of apoptosis) of glioma stem like cells. These results shows the elimination of cancer stem-like cells using an appropriate ligand binding adaptor offers a potential means of developing metal-based compounds for the treatment of chemo-resistant tumors.
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