Perilipin-2/ADFP Antibody [DyLight 488]

Product Discontinued

Perilipin-2/ADFP Antibody [DyLight 488] Summary

• Immunogen: A synthetic peptide made to an internal portion of human ADFP (within residues 150-250) [Swiss-Prot# Q99541]
• Localization: Membrane, cytoplasm
• Predicted Species: Primate (100%). Backed by our 100% Guarantee.
• Isotype: IgG
• Clonality: Polyclonal
• Host: Rabbit
• Gene: PLIN2
• Purity: Immunogen affinity purified

Applications/Dilutions

• Dilutions:
  • Flow Cytometry
  • Immunohistochemistry
  • Immunohistochemistry-Frozen
  • Immunohistochemistry-Paraffin
  • Western Blot
• Application Notes: This ADFP antibody is useful for Western blot analysis where a band is observed ~48 kDa, and Immunohistochemistry of paraffin embedded sections where cytoplasmic and membrane staining was observed in mouse liver. Prior to immunostaining paraffin tissues, antigen retrieval with sodium citrate buffer (pH 6.0) is recommended.

Reactivity Notes

Monkey reactivity reported in scientific literature (PMID: 30651536). Immunogen has 89% identity to porcine and 87% identity to bovine. Porcine reactivity reported from a verified customer review.

Packaging, Storage & Formulations

• Storage: Store at 4C in the dark.
• Buffer: 50mM Sodium Borate
• Preservative: 0.05% Sodium Azide
• Purity: Immunogen affinity purified

Notes

Dylight (R) is a trademark of Thermo Fisher Scientific Inc. and its subsidiaries.

Alternate Names for Perilipin-2/ADFP Antibody [DyLight 488]

• ADFP
• Adipophilin
• Adipose differentiation-related proteinadipophilin
• ADRP
• MGC10598
• perilipin 2
• Perilipin2
• Perilipin-2
• PLIN2

Background

Perilipin-2/Plin-2, also known as adipose differentiation-related protein (ADFP), ADRP, and adipophilin, is a member of the perilipin family of lipid droplet (LD) proteins that functions in lipid accumulation, lipid storage, and LD formation (1,2). Perilipin-2 is ubiquitously expressed and is the major LD protein of the liver (1-3). Human perilipin-2 is 437 amino acids (aa) in length with a theoretical molecular weight of 48 kDa (1,4). Human and mouse perilipin-2 share 81.8% sequence identity. One defining structural feature of perilipin-2 and other LD-related proteins is formation of amphipathic alpha helices (1,3,5). The perilipin-2 protein contains a PAT (perilipin A, ADRP, TIP47) domain, a 11-mer repeat motif, and a 4-helix bundle (1,5). The PAT domain has a role in triglyceride (TG) stabilization, the 11-mer repeat motif functions in cytoplasmic LD binding, and the 4-helix bundle facilitates membrane binding (5). Unlike LDs coated with other perilipin family members (e.g., perilipin-1 and perilipin-5), LDs coated with perilipin-2 are more permissive to lipolysis and protective of lipids and TGs (1-3). Studies have revealed that perilipin-2 knockout (KO) in mice is associated with resistance to fatty liver disease and diet-induced obesity (1). On the other hand, overexpression of perilipin-2 causes increased lipid and TG accumulation, which is a feature of many metabolic, cardiovascular, and age-related diseases (2). Additional research has found higher levels of perilipin-2 is associated with certain cancers such as colorectal cancer and renal carcinomas, and it may be a useful biomarker for detection (2). Though more research is needed, it is possible that inhibition or blocking of perilipin-2 may be a key strategy to combatting several pathologies (2).

References

1. Itabe H, Yamaguchi T, Nimura S, Sasabe N. Perilipins: a diversity of intracellular lipid droplet proteins. Lipids Health Dis. 2017;16(1):83. https://doi.org/10.1186/s12944-017-0473-y

2. Conte M, Franceschi C, Sandri M, Salvioli S. Perilipin 2 and Age-Related Metabolic Diseases: A New Perspective. Trends Endocrinol Metab. 2016;27(12):893-903. https://doi.org/10.1016/j.tem.2016.09.001

3. Sztalryd C, Brasaemle DL. The perilipin family of lipid droplet proteins: Gatekeepers of intracellular lipolysis. Biochim Biophys Acta Mol Cell Biol Lipids. 2017;1862(10 Pt B):1221-1232. https://doi.org/10.1016/j.bbalip.2017.07.009

4. Uniprot (Q99541)

5. Chong BM, Reigan P, Mayle-Combs KD, Orlicky DJ, McManaman JL. Determinants of adipophilin function in milk lipid formation and secretion. Trends Endocrinol Metab. 2011;22(6):211-217. https://10.1016/j.tem.2011.04.003

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Bioinformatics

• Gene Symbol: PLIN2