Abstract
Bioactive lipids derived from polyunsaturated fatty acids constitute an important set of lipid mediators with diverse homeostatic and pathophysiological activities. The role of bioactive lipids in inflammation, active resolution of inflammation, reproduction, cardiovascular biology, chronic diseases such as cancer and metabolic disorders is an active area of research. Other than the few clinically used eicosanoids such as prostaglandin F 2α, prostacyclin, and prostaglandin E 2, little is known about the stability of a majority of the bioactive lipids in aqueous solutions despite their extensive use under in vitro experimental conditions. The present study evaluated the stability of eicosanoids and docosanoids as well as their parent polyunsaturated fatty acids in tissue culture media with respect to incubation time, temperature, and composition of the media using multiple reaction monitoring (MRM) LC–MS. The results provide a comprehensive and valuable data set on the stability of these bioactive lipid mediators to guide in vitro experimentation.
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