Protein corona: Opportunities and challenges.

Area of Science:

• Nanomedicine
• Biomaterials Science
• Surface Chemistry

Background:

• Diverse biomolecules, such as proteins, adsorb onto nanoparticles upon contact with biological fluids, forming a protein corona.
• The composition and structure of this protein corona significantly influence nanoparticle interactions with biological systems.
• Understanding the protein corona is crucial for predicting nanoparticle behavior, efficacy, and safety in biological applications.

Purpose of the Study:

• To review recent advancements in the study of protein corona formation and characterization.
• To highlight current challenges and limitations in the protein corona field.
• To discuss the implications of protein corona properties on nanoparticle biological fate, therapeutic outcomes, and toxicity.

Main Methods:

• Literature review of recent studies on protein corona.
• Analysis of factors influencing protein adsorption onto nanoparticles.
• Discussion of characterization techniques for protein corona analysis.
• Evaluation of the impact of protein corona on biological interactions.

Main Results:

• Protein corona formation is a dynamic process influenced by nanoparticle surface properties and biological environment.
• The type and quantity of adsorbed proteins dictate nanoparticle-cell interactions, biodistribution, and clearance.
• Variability in experimental conditions leads to challenges in reproducible protein corona characterization.

Conclusions:

• The protein corona is a critical determinant of nanoparticle behavior in vivo.
• Further research is needed to standardize methods for protein corona analysis and prediction.
• Accurate characterization of the protein corona is essential for the successful development of nanomedicines and nanomaterial safety assessments.