Au NHC complexes as anticancer agents: milestones, strategies and future developments.

Area of Science:

• Medicinal Chemistry
• Nanotechnology
• Oncology

Background:

• The development of targeted and effective anticancer therapies is a critical area of research.
• Gold N-heterocyclic carbene (NHC) complexes are emerging as promising metallodrugs due to their unique properties.

Purpose of the Study:

• This review highlights advancements in designing gold NHC complexes for cancer treatment.
• It emphasizes strategies to improve cancer cell cytotoxicity and selectivity, while reducing toxicity to healthy tissues.
• The review also addresses challenges in elucidating their precise mechanisms of action.

Main Methods:

• This review synthesizes recent research on gold NHC complex design and evaluation.
• It focuses on structure-activity relationships and mechanistic studies.
• Key strategies for enhancing therapeutic potential are discussed.

Main Results:

• Gold NHC complexes offer tunable electronic and steric properties, making them versatile for anticancer drug development.
• Ligand design is crucial for enhancing cytotoxicity and selectivity towards cancer cells.
• Emerging evidence suggests mechanisms of action beyond thioredoxin reductase inhibition.

Conclusions:

• Gold NHC complexes represent a promising class of metallodrugs for next-generation cancer therapies.
• Further research into their mechanisms of action will enable rational design for improved efficacy and safety.
• Optimizing NHC ligand structures is key to unlocking their full therapeutic potential.