期刊
ANNUAL REVIEW OF ANALYTICAL CHEMISTRY
卷 15, 期 -, 页码 83-106出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-anchem-061020-022048
关键词
neuropeptide; quantitation; mass spectrometry; ion mobility spectrometry; imaging; single cell
资金
- National Institute on Drug Abuse [P30 DA018310]
- [1735252]
Neuropeptides play important roles in physiological processes and diseases. Mass spectrometry has become a powerful tool for quantitatively measuring neuropeptides, but there are challenges to overcome. This review provides an overview of mass spectrometry-based measurement approaches for neuropeptides and discusses techniques to address the challenges.
Neuropeptides (NPs), a unique class of neuronal signaling molecules, participate in a variety of physiological processes and diseases. Quantitative measurements of NPs provide valuable information regarding how these molecules are differentially regulated in a multitude of neurological, metabolic, and mental disorders. Mass spectrometry (MS) has evolved to become a powerful technique for measuring trace levels of NPs in complex biological tissues and individual cells using both targeted and exploratory approaches. There are inherent challenges to measuring NPs, including their wide endogenous concentration range, transport and postmortem degradation, complex sample matrices, and statistical processing of MS data required for accurate NP quantitation. This review highlights techniques developed to address these challenges and presents an overview of quantitative MS-based measurement approaches for NPs, including the incorporation of separation methods for high-throughput analysis, MS imaging for spatial measurements, and methods for NP quantitation in single neurons.Y
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