Exploring Indole-1,3,4-Thiadiazole Schiff Base Derivatives as Anticancer Agents: Design, Synthesis, In Vitro and In...

Area of Science:

• Medicinal Chemistry
• Organic Synthesis
• Pharmacology

Background:

• Cancer presents a significant global health burden, necessitating novel therapeutic agents due to resistance to current treatments.
• Indole and 1,3,4-thiadiazole structures are recognized for their diverse biological activities, including anticancer potential.

Purpose of the Study:

• To synthesize and evaluate a novel series of indole-1,3,4-thiadiazole Schiff bases for enhanced anticancer efficacy.
• To identify specific compounds with potent and selective cytotoxicity against cancer cells.

Main Methods:

• Synthesis of indole-1,3,4-thiadiazole Schiff bases (U1-U31).
• In vitro cytotoxicity assays against various cancer cell lines and normal cells.
• Molecular docking, density functional theory (DFT), and molecular dynamics (MD) simulations.

Main Results:

• Several compounds, notably U19 and U24, exhibited potent and selective cytotoxicity against multiple cancer cell lines.
• Minimal toxicity was observed in normal cells, indicating selectivity.
• Computational studies confirmed effective binding to the ATP-binding sites of Pi3K and Akt proteins.

Conclusions:

• The novel indole-1,3,4-thiadiazole derivatives demonstrate significant selective anticancer activity.
• Compounds U19 and U24 show promise as lead compounds for future anticancer drug development.
• The findings support the potential of these hybrid molecules in overcoming therapeutic resistance.