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Monitoring Protein Aggregation Kinetics In Vivo using Automated Inclusion Counting in Caenorhabditis elegans

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Protein aggregation: pathways, induction factors and analysis.

Hanns-Christian Mahler¹, Wolfgang Friess, Ulla Grauschopf

¹Formulation R&D Biologics, Pharmaceutical and Analytical R&D, F. Hoffmann-La Roche Ltd., Basel, Switzerland. hanns-christian.mahler@roche.com

Journal of Pharmaceutical Sciences

|October 1, 2008

Summary

Controlling protein aggregation is crucial for pharmaceutical development. This review outlines methods for protein aggregate analysis, highlighting the need for multiple techniques due to limitations in detecting diverse aggregate types and sizes.

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Area of Science:

Pharmaceutical Science
Biochemistry
Analytical Chemistry

Background:

Protein aggregation poses significant challenges in pharmaceutical research and development.
Protein aggregates can vary in size, shape, and morphology, impacting drug efficacy and safety.
Understanding the causes and analysis of protein aggregates is essential for successful product development.

Purpose of the Study:

To review current pathways and induction methods for protein aggregation.
To describe analytical techniques for aggregate detection, characterization, and quantification.
To address the challenges and limitations in analyzing protein aggregates.

Main Methods:

Review of existing literature on protein aggregation pathways and induction.
Description of current and emerging analytical techniques for aggregate analysis.
Discussion of method limitations, detection limits, and potential artifacts.

Main Results:

No single analytical method can cover the entire range of protein aggregate types and sizes.
Each analytical technique possesses specific advantages and limitations.
Sample preparation can introduce artifacts, affecting aggregate detection and characterization.

Conclusions:

A combination of orthogonal analytical methods is recommended for comprehensive protein aggregate analysis.
Careful consideration of method limitations and potential artifacts is necessary.
Effective control of protein aggregation requires a thorough understanding of its analysis.