Application

5-PAHSA or 5-(palmitoyloxy)octadecanoic acid might be used as (O-acyl)-hydroxy fatty acids (OAHFAs) standard to determine ester position in isomeric OAHFAs by ion trap mass spectrometry. It is also suitable for use as a standard for the quantification of fatty acid esters of hydroxy fatty acids (FAHFAs) by liquid chromatography–mass spectrometry (LC-MS).

Biochem/physiol Actions

Palmitic acid and hydroxystearic acid (PAHSA) levels correlate highly with insulin sensitivity and are reduced in adipose tissue and serum of insulin-resistant humans. In adipocytes, PAHSAs signal through G-protein-coupled receptor 120 (GPR120) to enhance insulin-stimulated glucose uptake. PAHSAs are fatty acid esters of hydroxy fatty acids (FAHFAs), which are endogenous lipids with the potential to treat diabetes and inflammation.

General description

Palmitic acid and hydroxystearic acid (PAHSA) containing (O-acyl)-hydroxy fatty acids are being found in tissues and serum extracts of mouse and human.

Packaging

5 mL Clear Glass Sealed Ampule (900410C-1mg)