The main function of hormone-sensitive lipase is to mobilize stored fats. HSL functions to hydrolyze either a fatty acid from a triacylglycerol molecule, freeing a fatty acid and diglyceride, or a fatty acid from a diacylglycerol molecule, freeing a fatty acid and monoglyceride. This process allows energy metabolism in mammals. Although HSL is able to catalyze hydrolysis of triglycerides and diglycerides, another enzyme found in adipose tissue, adipose triglyceride lipase (ATGL), has a higher affinity for triglycerides than HSL, and ATGL predominantly acts as the enzyme for triglyceride-specific hydrolysis in the adipocyte. Hormone-sensitive lipase, which has 11-fold greater affinity for diglycerides than triglycerides, predominantly cleaves these diglycerides, forming 2-monoglyceride and a free fatty acid.
Background References
1. Althaher AR. An Overview of Hormone-Sensitive Lipase (HSL). ScientificWorldJournal. 2022 Dec
2. Shen WJ et al. Hormone sensitive lipase ablation promotes bone regeneration. Biochim Biophys Acta Mol Basis Dis. 2022 Sep
mIHC analysis of human breast tissue (Formalin/PFA-fixed paraffin-embedded sections) with Rabbit anti-Hormone sensitive lipase / HSL antibody (IRS157RB) at 1/100 dilution. The immunostaining was performed with the IRISKitCmTSA Kit (900808). Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Olympus VS200 Slide Scanner.
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"