Maximilian Schröder, Arijan Pasic, Frank Hirche, Svitlana Rozanova, Melissa Sgodzai, Barbara Gisevius, Lea Horstkemper, Ralf Gold, Katrin Marcus, Kalliopi Pitarokoili, Jeremias Motte, Katalin Barkovits, Gabriele Stangl, Anna Lena Fisse
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引用次数: 0
Abstract
Background: Short-chain fatty acids (SCFAs), including propionic acid (PA), are key in immunological research. Supplementing PA has shown benefits for autoimmune diseases. A comprehensive understanding of the PA pharmacokinetics is essential for the optimal design and execution of studies utilizing orally administered PA.
Objective: We propose two methods of measuring PA in serum, carried out by different laboratories.
Design: Blood samples from 20 volunteers were collected hourly following PA supplementation.
Methods: Serum propionate quantification was performed with two independent mass spectrometry-based (MS) analyses, including liquid-chromatography (LC)-MS and direct-infusion (DI)-MS.
Results: PA levels increased within 1 h of ingestion of 500 mg PA. Serum concentrations ranged from 1.3 to 4.5 µmol/L, rising significantly after 1 h (p < 0.05). Serum levels returned to baseline within 2 h. No significant differences were found regarding sex or diet.
Conclusion: The shown pharmacokinetics can be used in future PA research.
期刊介绍:
Therapeutic Advances in Neurological Disorders is a peer-reviewed, open access journal delivering the highest quality articles, reviews, and scholarly comment on pioneering efforts and innovative studies across all areas of neurology. The journal has a strong clinical and pharmacological focus and is aimed at clinicians and researchers in neurology, providing a forum in print and online for publishing the highest quality articles in this area.