Analysis and measurement of serotonin

Area of Science:

• Neuroscience and Biochemistry
• Analytical Chemistry
• Pharmacology

Background:

• Serotonin (5-hydroxytryptamine) is a crucial neurotransmitter and hormone regulating numerous physiological functions.
• Dysregulation of serotonin signaling is linked to various neurological and physiological disorders, including depression and irritable bowel syndrome.
• Accurate quantification of serotonin in biological matrices is essential for research and clinical diagnostics.

Purpose of the Study:

• To review the evolution and application of chemical analysis methods for serotonin in biological fluids and tissues.
• To provide an overview of serotonin's biochemistry, metabolism, and physiological roles.
• To highlight the transition from older analytical techniques to advanced methods like LC-MS.

Main Methods:

• Historical methods: UV absorbance and fluorescence spectroscopy for serotonin detection.
• Current methods: High-performance liquid chromatography coupled with mass spectrometry (LC-MS) for sensitive and specific quantification.
• Review of analytical procedures for sample preparation and detection in various biological matrices.

Main Results:

• Demonstrates a progression in analytical sensitivity and specificity for serotonin detection over time.
• Highlights LC-MS as the predominant technique for accurate serotonin measurement due to its superior performance.
• Summarizes key findings on serotonin's role in health and disease, supported by analytical data.

Conclusions:

• The development of analytical techniques has significantly advanced our ability to study serotonin.
• Accurate chemical analysis of serotonin is vital for understanding its physiological functions and pathological roles.
• Continued refinement of analytical methods will further enhance research into serotonin-related disorders.