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Updated: Jan 28, 2026

Anticancer Metal Complexes: Synthesis and Cytotoxicity Evaluation by the MTT Assay
Published on: November 10, 2013
Synthesis and evaluation of novel 7H-pyrrolo-[2,3-d]pyrimidine derivatives as potential anticancer agents
Yi-Min Liu1, Chun-Han Chen2, Teng-Kuang Yeh3
1TMU Biomedical Commercialization Center, Taipei Medical University, Taipei, Taiwan.
Abstract:
Aim: Bladder cancer is a highly recurrent urologic malignancy with limited treatment approaches. Previously, we reported compound 11 is a FGFR3 inhibitor with significant antibladder cancer activity. Materials & methods: In this study, a series of 7H-pyrrolo-[2,3-d]pyrimidine derivatives were synthesized through ring formation and modification of compound 11 for anticancer activity evaluation. Results: Compound 13i is the most effective agent against human RT-112 bladder cancer cells. Notably, 13i strongly inhibits CK1δ without affecting FGFR3 activity. We generated 13i HCl to increase solubility and showed profound cell cycle accumulation at the sub-G1 phase and apoptosis in CK1δ-overexpressed bladder and ovarian cancer cells. Conclusion: These results indicate that compound 13i could be a lead compound for further development of novel anticancer agents.
Insights
A novel compound, 13i, shows potent anticancer activity against bladder cancer by inhibiting CK1δ. This FGFR3 inhibitor derivative offers a promising new avenue for developing targeted bladder cancer therapies.
Area of Science:
- Oncology
- Medicinal Chemistry
- Molecular Biology
Background:
- Bladder cancer is a prevalent malignancy with limited therapeutic options.
- Previous research identified compound 11 as a FGFR3 inhibitor with anti-bladder cancer effects.
Purpose of the Study:
- To synthesize and evaluate novel 7H-pyrrolo-[2,3-d]pyrimidine derivatives based on compound 11.
- To identify new agents with enhanced anticancer activity against bladder cancer cells.
Main Methods:
- Synthesis of a series of 7H-pyrrolo-[2,3-d]pyrimidine derivatives.
- Anticancer activity evaluation against human RT-112 bladder cancer cells.
- Inhibition assays for CK1δ and FGFR3 kinases.
- Cell cycle analysis and apoptosis assays.
Main Results:
- Compound 13i demonstrated the highest efficacy against RT-112 bladder cancer cells.
- 13i selectively inhibited CK1δ kinase activity without impacting FGFR3.
- 13i HCl formulation enhanced solubility and induced cell cycle arrest and apoptosis.
- Significant effects were observed in CK1δ-overexpressed bladder and ovarian cancer cells.
Conclusions:
- Compound 13i is a potent inhibitor of CK1δ with significant anticancer activity.
- 13i represents a promising lead compound for the development of novel anticancer drugs.
- Targeting CK1δ may offer a new strategy for treating bladder and ovarian cancers.
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