Adipose triacylglycerol lipase (ATGL) is a dynamic lipid droplet-associated protein involved in cellular lipolysis, which is conserved from bacteria to humans. Recent methods that measure the enzymatic activity of ATGL are established using lipid emulsions. However, the lipid emulsion platforms contain various membranous structures which reduce the accuracy of enzymatic activity determination. Therefore, a new platform and corresponding method are required for accurate measurement of ATGL enzymatic activity that represents cellular lipid and energy homeostasis. Adiposomes are artificial lipid nanostructures mimicking lipid droplets. Employing adiposome as a platform, we have developed an assay to measure the enzymatic activity of ATGL . Here, a detailed protocol is described to explain how to measure the activity of ATGL using adiposomes. This method successfully proves the concept of lipid droplet-mimetic lipase activity determining platform and provides a tool to identify the active sites of lipases.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10323773 | PMC |
| http://dx.doi.org/10.52601/bpr.2023.220016 | DOI Listing |
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