Developing mass spectrometry for the quantitative analysis of neuropeptides

Area of Science:

• Biochemistry
• Neuroscience
• Analytical Chemistry

Background:

• Neuropeptides are crucial signaling molecules with complex functions influenced by concentration, modifications, and co-modulators.
• Characterizing neuropeptide roles is challenging due to these complexities.
• Mass spectrometry offers sensitive, accurate, and global analysis for neuropeptidomics.

Purpose of the Study:

• To review fundamentals, limitations, and recent progress in neuropeptidomic research.
• To highlight advancements in mass spectrometry techniques for neuropeptide analysis.
• To discuss quantitative improvements and multi-omic integration in the field.

Main Methods:

• Review of mass spectrometry-based neuropeptidomic strategies.
• Focus on labeling strategies, post-translational modification analysis, and mass spectrometry imaging.
• Integration of multi-omic workflows and quantitative advancements.

Main Results:

• Mass spectrometry enables sensitive and accurate profiling of neuropeptide expression.
• Recent progress includes improved labeling, PTM analysis, MSI, and multi-omics.
• Quantitative advancements are key for deeper biological insights.

Conclusions:

• Neuropeptidomics is vital for clinical research, impacting biomarker discovery, receptor identification, and drug design.
• Enhanced sensitivity, accuracy, and quantitative strategies are crucial for clinical translation.
• Integration with MSI, PTM analysis, and multi-omics will advance disease understanding and treatment.