Real-time imaging of cell-surface proteins with antibody-based fluorogenic probes

Area of Science:

• Biochemistry
• Chemical Biology
• Drug Discovery

Background:

• Cell-surface proteins are crucial in disease and represent targets for a majority of approved drugs.
• Current detection methods using small-molecule probes have limitations in target range and selectivity.

Purpose of the Study:

• To develop a novel, selective, and real-time detection strategy for cell-surface proteins.
• To establish a modular approach for broad applications in biochemical research and therapeutics.

Main Methods:

• A two-step chemical modification strategy was employed under physiological conditions.
• An antibody-based fluorogenic probe was synthesized for selective protein recognition.

Main Results:

• The developed probe enables selective recognition of target cell-surface proteins.
• The probe allows for wash-free imaging of membrane proteins in real-time.

Conclusions:

• This antibody-based fluorogenic probe offers a versatile and effective tool for studying cell-surface proteins.
• The modular strategy has significant implications for advancing drug development and medical diagnostics.