indirect immunofluorescence: 5-10 μg/mL using differentiated mouse NIH3T3-L1 cells western blot (chemiluminescent): 2.5-5 μg/mL using whole extract of differentiated mouse NIH3T3-L1 cells
Perilipin is an intracellular neutral lipid storage droplet surface protein in white and brown fat adipocytes. It is also found in lower quantity coating droplets in steroidogenic-cells of the adrenal cortex, ovaries, and testicular Leydig cells, on the surface of smaller droplets containing cholesteryl esters.
Specificity
Rabbit polyclonal anti-Perilipin A/B antibody recognizes mouse Perilipin A/B by immunoblotting (46 kDa and ~62 kDa) and indirect immunofluorescence. Detection of the perilipin A and B bands by immunoblotting is specifically inhibited with the immunizing peptide.
Immunogen
synthetic peptide corresponding amino acid residues 6-17 of mouse and rat perilipin A/B with C-terminal added cysteine, conjugated to KLH. The corresponding human sequence differs by two residues.
Application
Anti-Perilipin A/B antibody produced in rabbit has been used in immunoblotting and immunofluorescence staining.[1]
Rabbit polyclonal anti-Perilipin A/B antibody is used to tag Perilipin A/B for detection and quantitation by immunocytochemical and immunohistochemical (IHC) techniques. It is used as a probe to determine the presence and roles of Perilipin A/B in the regulation of triacylglycerol storage in adipocytes.
Biochem/physiol Actions
Perilipin is a gatekeeper protein that is involved in regulating triacylglycerol storage in adipocyte through the suppression of basal lipolysis apparently through protecting triacylglycerol against hydrolysis. Perilipin also enhances cAMP-dependent protein kinase (PKA)-stimulated lipolysis by hormone-sensitive lipase (HSL) and non-HSLs. Perilipin knockout mice exhibit reduced adipose tissue mass and resistance to diet induced obesity. Their lipid storage droplets are coated with adipose differentiation-related protein (ADRP, adipophilin), that is devoid of phosphorylation by PKA.
Physical form
Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.
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