Visualization of Endocannabinoids in the Cell.

“A still unsolved, although critical, issue in endocannabinoid research is the mechanism by which the lipophilic compound anandamide (AEA) moves from its site of synthesis, crosses the aqueous milieu, and reaches the different intracellular compartments, where its metabolic and signaling pathways take place. The difficulty of studying intracellular AEA transport and distribution results from the lack of specific probes and techniques to track and visualize this bioactive lipid within the cell. Here, we describe the use of a biotinylated, non-hydrolyzable derivative of AEA (biotin-AEA, b-AEA) for visualizing the subcellular distribution of this endocannabinoid by means of confocal fluorescence microscopy.”

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