Sterolomics: State of the art, developments, limitations and challenges

Area of Science:

• Lipidomics and Sterol Analysis
• Analytical Chemistry and Mass Spectrometry

Background:

• Sterolomics involves the comprehensive quantitative analysis of molecules derived from the cyclopentanoperhydrophenanthrene skeleton.
• Mass spectrometry is the primary analytical technique used in sterolomics.
• Accurate sterol quantification is crucial for understanding various biological systems.

Purpose of the Study:

• To identify and discuss common pitfalls encountered in sterolomics analysis.
• To provide expert recommendations for avoiding analytical and data interpretation errors.
• To enhance the reliability and reproducibility of sterolomic studies.

Main Methods:

• Review and critical analysis of mass spectrometry-based sterol analysis workflows.
• Discussion of challenges in data processing, interpretation, and compound annotation.
• Expert opinion-based guidance for best practices in sterolomics.

Main Results:

• Identified key areas prone to errors in sterol analysis, including sample preparation, data acquisition, and metabolite identification.
• Highlighted the impact of incorrect data interpretation and annotation on sterolomic findings.
• Provided actionable strategies to mitigate these analytical challenges.

Conclusions:

• Addressing common pitfalls in sterolomics analysis is essential for advancing lipidomics.
• Adherence to recommended practices can significantly improve the accuracy and validity of sterolomic data.
• This work contributes to establishing robust methodologies in the field of quantitative sterol analysis.