Recombinant Mouse Angiopoietin-like 7 Protein

R&D Systems, part of Bio-Techne | Catalog # 4960-AN

R&D Systems, part of Bio-Techne
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Carrier Free
4960-AN-025/CF
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With Carrier
4960-AN-025
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Key Product Details

  • R&D Systems CHO-derived Recombinant Mouse Angiopoietin-like 7 Protein (4960-AN)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

CHO

Accession #

NP_001034643

Conjugate

Unconjugated

Applications

Bioactivity

View all Angiopoietin-like Protein 7/ANGPTL7 Proteins and Enzymes »

Product Specifications

Source

Chinese Hamster Ovary cell line, CHO-derived mouse Angiopoietin-like Protein 7/ANGPTL7 protein
Met1-Pro337, with a C-terminal 10-His tag

Purity

>95%, by SDS-PAGE under reducing conditions and visualized by silver stain.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

No results obtained: Gln22 predicted

Predicted Molecular Mass

37.9 kDa

SDS-PAGE

45-55 kDa, reducing conditions

Activity

Measured by its ability to promote the expansion of E16 rat liver mononuclear cells in vitro, in the presence of Recombinant Mouse SCF/c-kit Ligand (Catalog # 455-MC), Recombinant Mouse Thrombopoietin/Tpo (Catalog # 488-TO), and Recombinant Mouse Flt-3 Ligand (Catalog # 427-FL).
The ED50 for this effect is 60-240 ng/mL in the presence of a cross‑linking Mouse Anti-polyHistidine Monoclonal Antibody (Catalog # MAB050).

Formulation, Preparation and Storage

Carrier Free
What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

Carrier: 4960-AN
Formulation Lyophilized from a 0.2 μm filtered solution in NaPO4 and NaCl with BSA as a carrier protein.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Carrier Free: 4960-AN/CF
Formulation Lyophilized from a 0.2 μm filtered solution in NaPO4 and NaCl.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Angiopoietin-like Protein 7/ANGPTL7

Angiopoietin-like 7 (ANGPTL7), also known as Corneal-Derived Transcript 6 (CDT6), is a secreted, 45‑50 kDa glycoprotein member of the angiopoietin‑like family of molecules. Members of this protein family contain an N-terminal coiled coil domain and a C-terminal fibrinogen-like domain (1‑3). Mature mouse ANGPTL7 is 316 amino acids (aa) in length. It shares 88% and 98% aa sequence identity with human and rat ANGPTL7, respectively. The ANGPTL7 monomer forms homotetramers via its coiled coil domain (4, 5). ANGPTL7 is expressed in the corneal stroma, trabecular meshwork, and sclera (3, 5). Its production is up‑regulated in trabecular meshwork cells by glucocorticoids and TGF-beta and in cartilage by TNF-alpha (5-7). ANGPTL7 expression is up‑regulated under conditions of increased ocular pressure (IOP). Since IOP is a risk factor for glaucoma, ANGPTL7 may represent a defense mechanism to reduce pressure on the retina. It appears that IOP is a consequence of increased ECM deposition, a major component of which is fibronectin. In this regard, ANGPTL7 is reported to both decrease fibronectin expression and promote MMP1 expression, actions that would tend to reduce organized ECM deposition (8). When overexpressed in tumor cells, it promotes collagen and proteoglycan deposition but inhibits tumor xenograft progression and tumor angiogenesis (4). ANGPTL7, when used in combination with SCF, Thrombopoietin, IGF-II, and FGF acidic, enhances the expansion and engraftment of human and mouse hematopoietic stem cells (9).

References

  1. Oike, Y. et al. (2009) Circ. J. 73:2192.
  2. Miida, T. and S. Hirayama (2010) Curr. Opin. Lipidol. 21:70.
  3. Peek, R. et al. (1998) Invest. Opthalmol. Vis. Sci. 39:1782.
  4. Peek, R. et al. (2002) J. Biol. Chem. 277:686.
  5. Kuchtey, J. et al. (2008) Invest. Opthalmol. Vis. Sci. 49:3438.
  6. Nehme, A. et al. (2009) BMC Med. Genomics 2:58.
  7. Stevens, A.L. et al. (2008) Arthritis Rheum. 58:489.
  8. Comes, N. et al. (2011) Genes Cells 16:243.
  9. Zhang, C.C. et al. (2006) Nat. Med. 12:240.

Long Name

Angiopoietin-like Protein 7

Alternate Names

ANGPTL7, AngX, CDT6

Entrez Gene IDs

10218 (Human); 654812 (Mouse); 102127960 (Cynomolgus Monkey); 714204 (Rhesus Macaque)

Gene Symbol

ANGPTL7

UniProt

NP_001034643

Additional Angiopoietin-like Protein 7/ANGPTL7 Products

Product Documents for Recombinant Mouse Angiopoietin-like 7 Protein

Product Datasheets

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Download SDS 4960-AN (with carrier)
Download SDS 4960-AN/CF (carrier free)

Product Specific Notices for Recombinant Mouse Angiopoietin-like 7 Protein

For research use only

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