Metal Peptide Conjugates in Cell and Tissue Imaging and Biosensing

Area of Science:

• Bioinorganic Chemistry
• Chemical Biology
• Cellular Imaging

Background:

• Metal complex luminophores are increasingly used as imaging probes.
• Effective cell permeation and intracellular targeting are crucial for their application.
• Peptide-facilitated delivery offers a promising strategy to enhance these properties.

Purpose of the Study:

• To describe the rationale for using metal complexes as cell imaging probes and sensors.
• To outline the advantages of using peptides for delivering metal complex luminophores.
• To review progress in metal complex-peptide conjugates for cell imaging.

Main Methods:

• Conjugation of cell-permeating or signal peptides to metal complex luminophores.
• Investigating peptide-driven conjugates for enhanced cell membrane transport.
• Application of these conjugates in cell imaging studies.

Main Results:

• Peptide conjugation significantly improves cell permeation of metal complex luminophores.
• Targeted delivery of metal complexes within cells is achieved using peptide carriers.
• Demonstrated effectiveness of metal complex-peptide conjugates in various cell imaging applications.

Conclusions:

• Peptide-facilitated delivery is a powerful strategy for advancing metal complex luminophores in cell imaging.
• This approach enhances probe efficacy through improved cell penetration and specific targeting.
• Future research holds potential for further development and broader applications of these conjugates.