Mouse Angiopoietin-like 3 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB136

R&D Systems, part of Bio-Techne
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MAB136
MAB136-SP
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Key Product Details

Species Reactivity

Mouse

Applications

Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Rat IgG2A Clone # 128610

View all Angiopoietin-like Protein 3/ANGPTL3 Antibodies »

Product Specifications

Immunogen

S. frugiperda insect ovarian cell line Sf 21-derived recombinant mouse Angiopoietin-like 3
Ser17-Thr455
Accession # Q9R182

Specificity

Detects mouse Angiopoietin-like 3 in direct ELISAs and Western blots. In direct ELISAs, this antibody does not cross-react with recombinant human (rh) Angoipoietin-1, rhAngoipoietin-2, rhAngoipoietin-4, rmAngoipoietin-3, and cornea-derived transcript 6 (CDT6), an Angiopoietin-like factor.

Clonality

Monoclonal

Host

Rat

Isotype

IgG2A

Applications for Mouse Angiopoietin-like 3 Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: Recombinant Mouse Angiopoietin-like 3 (Catalog # 136-AN)

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

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

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *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.

Background: Angiopoietin-like Protein 3/ANGPTL3

ANGPTL3 is a secreted glycoprotein that is structurally related to the angiopoietins (1-3). Mature mouse ANGPTL3 contains an N-terminal coiled-coil domain and a C‑terminal fibrinogen-like domain (4). ANGPTL3 is expressed in the liver from early in development through adulthood (4, 5). Full length ANGPTL3 circulates in the plasma as do the proteolytically separated N- and C-terminal fragments containing the coiled-coil domain and fibrinogen-like domains, respectively (6, 7). ANGPTL3 is found as 70 kDa, 50 kDa, and 32 kDa species and can form weakly associated noncovalent multimers in vitro (5, 6). ANGPTL3 directly inhibits lipoprotein lipase (LPL), an enzyme responsible for hydrolyzing circulating triglycerides (8). This activity requires a putative heparin-binding motif that is N-terminal to the coiled-coil domain (6). Proteolytic removal of the fibrinogen-like domain from the N-terminal fragment serves to activate ANGPTL3 and increase its ability to inhibit LPL in vitro and function in vivo (6). ANGPTL3 promotes an increase in circulating triglyceride levels without altering VLDL or HDL secretion or uptake (6-8). ANGPTL3 knockout mice are hypolipidemic and have elevated LPL activity (9). ANGPTL3 expression in vivo is upregulated by LXR agonists and downregulated by insulin, leptin, and TR beta agonists (10-12). Dysregulated ANGPTL3 expression and elevated plasma triglyceride levels are characteristic of some strains of obese and diabetic mice, (7, 8, 11). ANGPTL3 does not bind Tie-1 or Tie-2 but its fibrinogen-like domain interacts with integrin alphaV beta3 to induce endothelial cell adhesion, migration, and neovascularization (13). ANGPTL3, secreted by fetal liver cells, also promotes the expansion of hematopoietic stem cells (14). Mature mouse ANGPTL3 shares 22%‑30% amino acid (aa) sequence identity with ANGPTL1, 2, 4, 6, and 7. It shares 77% aa sequence identity with human ANGPTL3.

References

  1. Li, C. (2006) Curr. Opin. Lipidol. 17:152.
  2. Oike, Y. et al. (2004) Int. J. Hematol. 80:21.
  3. Kersten, S. (2005) Biochem. Soc. Transact. 33:1059.
  4. Conklin, D. et al. (1999) Genomics 62:477.
  5. Ge, H. et al. (2005) J. Lipid Res. 46:1484.
  6. Ono, M. et al. (2003) J. Biol. Chem. 278:41804.
  7. Koishi, R. et al. (2002) Nat. Genet. 30:151.
  8. Shimizugawa, T. et al. (2002) J. Biol. Chem. 277:33742.
  9. Koster, A. et al. (2005) Endocrinology 146:4943.
  10. Inaba, T. et al. (2003) J. Biol. Chem. 278:21344.
  11. Shimamura, M. et al. (2004) Biochem. Biophys. Res. Commun. 322:1080.
  12. Fugier, C. et al. (2006) J. Biol. Chem. 281:11553.
  13. Camenisch, G. et al. (2002) J. Biol. Chem. 277:17281.
  14. Zhang, C.C. et al. (2006) Nat. Med. 12:240.

Alternate Names

AGNPT5, Ang-5, Angiopoietin-5, ANGPTL3

Entrez Gene IDs

27329 (Human); 30924 (Mouse); 102136264 (Cynomolgus Monkey)

Gene Symbol

ANGPTL3

UniProt

Q9R182 (Mouse)

Additional Angiopoietin-like Protein 3/ANGPTL3 Products

Product Documents for Mouse Angiopoietin-like 3 Antibody

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Certificate of Analysis

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Product Specific Notices for Mouse Angiopoietin-like 3 Antibody

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