Molecular Tools for Precision Targeting and Detection of G-Quadruplex Structures.

Area of Science:

• Biochemistry
• Chemical Biology
• Genomics

Background:

• G-quadruplex (G4) structures are non-canonical DNA conformations with significant biological roles.
• Traditional ligands stabilize G4s, offering anticancer potential but limited mechanistic insights.
• There is an urgent need for innovative molecular tools to study G4 dynamics and cellular functions.

Purpose of the Study:

• To provide a comprehensive overview of molecular tools designed to interact with G-quadruplexes (G4s).
• To detail advancements in chemical strategies for creating sophisticated G4-interacting instruments.
• To highlight the utility of these tools in understanding G4 formation, dynamics, and biological implications.

Main Methods:

• Review of major classes of G4-interacting molecular tools.
• Detailed analysis of small-molecule fluorescence probes targeting G4s.
• Examination of G4-binding metal complexes and conjugation strategies.

Main Results:

• Advancements in molecular tools significantly facilitate the study of G4 formation, dynamics, and functions.
• Small-molecule probes, metal complexes, and conjugates offer diverse capabilities for G4 investigation.
• These tools provide external outputs for interpreting G4 dynamics and cellular localization.

Conclusions:

• Development of molecular tools is essential for deepening the understanding of G4 biology.
• These tools enhance knowledge of G4s, paving the way for novel biomedical and therapeutic applications.
• Molecular tools are pivotal for future G4 research and drug development.