Key Product Details

Species Reactivity

Human

Applications

Flow Cytometry

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 944740
View all Angiopoietin-like Protein 4/ANGPTL4 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line, NS0-derived human Angiopoietin-like Protein 4/ANGPTL4 protein
Gly26-Ser406
Accession # Q9BY76

Specificity

Detects human Angiopoietin‑like Protein 4/ANGPTL4 Antibody in direct ELISA.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human Angiopoietin‑like Protein 4/ANGPTL4 Antibody

Detection of Angiopoietin‑like Protein 4/ANGPTL4 in CHO cells by Flow Cytometry.

CHO cells transfected with hANGPTL4 and mCherry (A) vs irrelevant cells (B) were stained with mCherry and Mouse Anti-Human Angiopoietin‑like Protein 4/ANGPTL4 Monoclonal Antibody (Catalog # MAB11305). View our protocol for Staining Membrane-associated Proteins.

Applications for Human Angiopoietin‑like Protein 4/ANGPTL4 Antibody

Application
Recommended Usage

Flow Cytometry

0.25 µg/106 cells
Sample: CHO cells transfected with hANGPTL4 and mCherry vs irrelevant cells

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. See Certificate of Analysis for details.
*Small pack size (-SP) is supplied either lyophilized or as a 0.2 μm filtered solution in PBS. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Angiopoietin-like Protein 4/ANGPTL4

Angiopoietin-like 4 (ANGPTL4), also known as FIAF, FARP, and PGAR, is a 55 kDa glycoprotein secreted by the liver and fat tissue. It is structurally related to the angoipoietins and contains an N-terminal coiled coil domain and a C-terminal fibrinogen-like domain which can be proteolytically separated in vivo (1). Mature human ANGPTL4 shares 26%-30% amino acid (aa) sequence identity with ANGPTL1, 2, 3, 5, 6, and 7. It shares approximately 75% aa sequence identity with mouse and rat ANGPTL4. The coiled coil domain, which is not glycosylated, mediates the formation of variable sized disulfide-linked oligomers (2). This domain directly inhibits lipoprotein lipase, resulting in increased circulating triglyceride levels (3, 4). In humans, the N-terminal fragment and full length ANGPTL4 physically associate with HDL (4). In mouse, however, full length ANGPTL4 associates with HDL, while the N-terminal fragment associates with LDL (4). Circulating ANGPTL4 is decreased in type II diabetics with a subsequent loss of its normal plasma glucose lowering activity (5). Its expression in adipose tissue is induced by fasting and suppressed by feeding (6). In hypoxic areas, ANGPTL4 is induced in both vascular endothelial cells and tumor cells (7, 8). The N-terminal fragment can function as an angiogenesis inhibitor (7, 8). In contrast, the C-terminal fragment modulates cell adhesion through interactions with heparan sulfate proteoglycans, Integrins  beta 1 and beta 5, Vitronectin, and Fibronectin, thereby promoting keratinocyte migration and wound healing (7, 9, 10). ANGPTL4 additionally enhances the survival of hematopoietic and mesenchymal stem cells (11, 12). The expression of an undersialylated form of ANGPTL4 in renal podocytes contributes to proteinuria and nephrotic syndrome (13).

References

  1. Zhu, P. et al. (2012) Biosci. Rep. 32:211.
  2. Ge, H. et al. (2004) J. Biol. Chem. 279:2038.
  3. Sukonina, V. et al. (2006) Proc. Natl. Acad. Sci. USA 103:17450.
  4. Mandard, S. et al. (2006) J. Biol. Chem. 281:934.
  5. Xu, A. et al. (2005) Proc. Natl. Acad. Sci. USA 102:6086.
  6. Kersten, S. et al. (2000) J. Biol. Chem. 275:28488.
  7. Cazes, A. et al. (2006) Circ. Res. 99:1207.
  8. Le Jan, S. et al. (2003) Am. J. Pathol. 162:1521.
  9. Goh, Y.Y. et al. (2010) Am. J. Pathol. 177:2791.
  10. Goh, Y.Y. et al. (2010) J. Biol. Chem. 285:32999.
  11. Blank, U. et al. (2012) Eur. J. Haematol. 89:198.
  12. Hou, M. et al. (2014) PLoS ONE 9:e85808.
  13. Clement, L.C. et al. (2011) Nat. Med. 17:117.

Alternate Names

Angiopoietin like Protein 4, ANGPTL4, FIAF, HFARP, PGAR

Entrez Gene IDs

51129 (Human); 57875 (Mouse); 362850 (Rat)

Gene Symbol

ANGPTL4

UniProt

Q9BY76

Additional Angiopoietin-like Protein 4/ANGPTL4 Products

Product Documents for Human Angiopoietin‑like Protein 4/ANGPTL4 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human Angiopoietin‑like Protein 4/ANGPTL4 Antibody

For research use only

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