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Leveraging nanoparticle protein corona to advance plasma proteome profiling
Amir Ata Saei1, Bahareh Ghaffari2, Borzoo Bonakdarpour3
1Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, Stockholm, Sweden.
Nature Communications
|June 15, 2026
Summary
Nanoparticle protein coronas offer a novel method to enrich rare plasma proteins, overcoming limitations of traditional techniques. This approach enhances proteome coverage, revealing previously hidden biomarkers for deeper biological insights.
Area of Science:
- Biochemistry
- Proteomics
- Nanotechnology
Background:
- The blood plasma proteome contains valuable biomarkers but is challenging to analyze due to a vast dynamic range of protein concentrations.
- Existing methods for protein enrichment often fail to detect low-abundance proteins due to interference from abundant ones.
Purpose of the Study:
- To highlight the potential of nanoparticle protein corona technology for enhancing plasma proteome analysis.
- To discuss the capabilities, limitations, and future directions of protein corona technology in proteomics.
Main Methods:
- Leveraging nanoparticle protein coronas to selectively bind and enrich low-abundance plasma proteins.
- Analyzing the enriched proteome to increase coverage and detect previously inaccessible proteins.
Main Results:
- Protein corona technology demonstrates significant capability in overcoming the dynamic range challenge in plasma proteomics.
- This method enhances the detection of rare proteins, expanding the accessible proteome.
Conclusions:
- Nanoparticle protein coronas represent a promising frontier technology for advancing proteomic analysis of blood plasma.
- Future work should focus on proteoform analysis and causal inference using this advanced enrichment technique.
