Abstract
The synthesis of pristanic acid from phytanic acid, and a simple reversed-phase high-pressure liquid chromatographic (HPLC) method for the separation and purification of these acids, is described. A base-line separation of [U- 3H]phytanic and [U- 3H]pristanic acid is achieved with a graphitized carbon column. The isoprenoid metabolites formed after incubation of cultured fibroblasts with phytanic or pristanic acids are extracted with a Sep-Pak C 18 cartridge and separated from the substrates by the same reversed-phase HPLC used for substrate purification. The methods are suitable for studies on the mechanisms for degradation of phytanic acid. Recently, different inborn errors with accumulation of phytanic acid have been defined. The present method will be a useful tool in our efforts to define these metabolic defects and their subcellular localization.
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