Multiplex profiling of serum proteins in solution using barcoded antibody fragments and next generation sequencing

Area of Science:

• Biochemistry
• Molecular Biology
• Proteomics

Background:

• Serum protein profiles reflect health status and can indicate early disease, including cancer.
• Early cancer diagnosis significantly improves patient outcomes.
• Proficient tools for analyzing blood proteome are needed, necessitating technological advancements.

Purpose of the Study:

• To present a novel, proof-of-concept approach for multiplexed protein profiling in serum.
• To demonstrate an alternative method for deciphering information within the blood proteome.
• To develop scalable technology for serum analysis.

Main Methods:

• Utilized DNA barcoded single-chain variable fragment (scFv) antibody fragments.
• Employed next-generation sequencing for protein profiling.
• Performed multiplexed analysis of serum samples in solution.

Main Results:

• Achieved high accuracy in discriminating between pancreatic cancer patients and healthy controls.
• Demonstrated the potential of the developed method for serum analysis.
• Validated the approach as a scalable alternative for proteomic profiling.

Conclusions:

• The developed method offers a promising tool for early cancer detection through serum protein analysis.
• This approach represents a significant technological advancement in blood proteome deciphering.
• The technique is a scalable and accurate alternative for multiplexed serum analysis.