Recombinant Human Active Heparanase/HPSE Protein, CF

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Summary
Reactivity HuSpecies Glossary
Applications Enzyme Activity
Format
Carrier-Free

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Recombinant Human Active Heparanase/HPSE Protein, CF Summary

Details of Functionality
Measured by its ability to release biotinylated heparan sulfate from Recombinant Human Syndecan‑4 (Catalog # 2918-SD). 20 ng of Recombinant Human Active Heparanase/HPSE digestion will result in >50% of OD reduction compared with the Negative Control, as measured under the described conditions.
Source
Chinese Hamster Ovary cell line, CHO-derived human Heparanase/HPSE protein
Gln36-Ile543 with N-terminal 6-His tag
The linker peptide from Ser110-Gln157 is removed by protease treatment
Accession #
N-terminal Sequence
His & K158
Protein/Peptide Type
Recombinant Enzymes
Gene
HPSE
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
43 kDa & 9 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
SDS-PAGE
50-60 kDa & 7-9 kDa, reducing conditions
Publications
Read Publications using
7570-GH in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.
Buffer
Supplied as a 0.2 μm filtered solution in Tris, NaCl and E64.
Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Assay Procedure
  • Assay Buffer:  50 mM Sodium Acetate, pH 5.0
  • Recombinant Human HPSE (rhHPSE) (7570-GH)
  • HPSE Substrate (Catalog # ES020)
  • Human Syndecan-4 DuoSet Kit (Catalog # DY2918)
  • 96-well Clear Plate (Catalog # DY990)
  • Plate Reader (Model: SpectraMax Plus by Molecular Devices) or equivalent

And the following materials that are routinely used in ELISA:

  •  Coating Buffer (Catalog # DY006)
  • Wash Buffer (25X) (Catalog # WA126)
  • Reagent Diluent (10X) (Catalog # DY995)
  • Substrate Reagent Pack (Catalog # DY999)
  • Stop Solution (Catalog # DY994)
  1. Prepare an ELISA plate by following the DuoSet kit protocol.
  2. Dilution factor determination:
    a. Dilute the HPSE Substrate stock 100-fold in Reagent Diluent (this will be the first dilution point).
    b. Further prepare a 2-fold serial dilution series of the above diluted HPSE Substrate with Reagent Diluent for 6 points.
    c. Load 100 µL of each point onto the prepared ELISA plate in duplicate. Load 100 µL of Reagent Diluent to 2 separate  wells for blank control.
    d. Cover the plate and incubate at room temperature for 2 hours.
    e. Follow the DuoSet Assay Procedure from step 4 to step 9 to complete the assay.
    f. Determine the dilution factor (n) that achieves an OD between 1.8-3.0.
  3. rhHPSE Activity Detection:
    a. Dilute the HPSE Substrate stock by n/10-fold in Assay Buffer, diute rhHPSE to 2 μg/mL in assay buffer.
    b. Combine 10 µL of rhHPSE with 10 µL of the diluted HPSE Substrate in a vial. For negative control, combine 10 µL of Assay Buffer and 10 µL of the diluted HPSE Substrate in a vial.
    c. Incubate reactions and negative control at 37 °C for 2 hours.
    d. After incubation, heat all reactions and negative control at 95 °C for 2 minutes to inactivate rhHPSE.
    e. Add 220 µL of Reagent Diluent to each reaction and negative control. Mix well.
    f. Load 100 µL of each sample onto the prepared ELISA plate in duplicate.
    g. Cover the plate and incubate for 2 hours at room temperature.
    h. Follow the DuoSet Assay Procedure form step 4 to step 9 to complete the assay.
  4. Calculate % OD reduction compared with the negative control: 

 [1-(OD of rhHPSE sample/OD of negative control)] x 100 = % OD reduction

Per Reaction:

rhHPSE: 20 ng

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human Active Heparanase/HPSE Protein, CF

  • EC 3.2
  • Endo-glucoronidase
  • HEP
  • Heparanase
  • Heparanase-1
  • HPA1
  • HPAheparanase exon 9 and 10 deletion
  • HPR1
  • HPSE
  • HPSE1heparanase-1
  • HSE1
  • HSE1heparanase exon10-deletion

Background

Heparanase (HPSE) selectively cleaves heparan sulfate at specific sites on heparan sulfate proteoglycans (HSPGs) (1, 2, 3, 4). The enzyme is synthesized as an inactive 65 kDa proenzyme that is secreted via the Golgi apparatus and associates with the cell membrane through interaction with HSPGs (5). It is then endocytosed and transferred to lysosomes (6) where cathepsin L activates it by removing an internal inhibitory peptide, forming a heterodimer composed of an 8 kDa and a 50 kDa subunit (7, 8). Under certain stimuli, the active enzyme is transferred back to the cell surface, where it participates in extracellular matrix degradation and remodeling (9). HPSE facilitates cell migration associated with metastasis, wound healing and inflammation (10). An increase in its activity is associated with an increase in VEGF activity, which further enhances angiogenesis (11). HPSE also enhances shedding of syndecans and increases endothelial invasion and angiogenesis in myelomas (12). It acts as a procoagulant by increasing the generation of activation factor X in the presence of tissue factor and activation factor VII (13). In addition, it increases cell adhesion to the extracellular matrix (ECM), independent of its enzymatic activity (14). HPSE is highly expressed in placenta and spleen and weakly expressed in lymph node, thymus, peripheral blood leukocytes, bone marrow, endothelial cells, fetal liver and tumor tissues (15). The enzyme activity of recombinant human HPSE was assayed in an ELISA format using non-reducing end biotinylated heparan sulfate on recombinant syndecan 4 as a substrate (16).
  1. Vlodavsky, I. et al. (1999) Nat. Med. 5:793.
  2. Hulett, M.D. et al. (1999) Nat. Med. 5:803.
  3. Gong, F. et al. (2003) J. Biol. Chem. 278:35152.
  4. Peterson, S.B. and Liu, J. (2010) J. Biol. Chem. 285:14504.
  5. Nadav L. et al. (2002) J. Cell Sci. 115:2179.
  6. Gingis-Velitski, S. et al. (2004) J. Biol. Chem. 279:44084.
  7. Abboud-Jarrous, G. et al. (2008) J. Biol. Chem. 283:18167.
  8. Zetser, A. et al. (2004) J. Cell Sci. 117:2249.
  9. Zcharia E. et al. (2001) J. Mammary Gland Biol. Neoplasia 6:311.
  10. Fux, L. et al. (2009) Trends Biochem. Sci. 34:511.
  11. Cohen-Kaplan, V. et al. (2008) Int. J. Cancer 123:2566.
  12. Purushothaman, A. et al. (2010) Blood 115:2449.
  13. Nadir, Y. et al. (2010) Haematologica 95:1927.
  14. Goldshmidt, O. et al. (2003) FASEB J. 17:1015.
  15. Kussie, P.H. et al. (1999) Biochem. Biophys. Res. Commun. 261:183.
  16. Wu, Z.L. et al. (2017) Glycobiology 27:518.

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Publications for Heparanase/HPSE (7570-GH)(5)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 3 applications: Bioassay, Click Chemistry, Western Blot.


Filter By Application
Bioassay
(3)
Click Chemistry
(1)
Western Blot
(1)
All Applications
Filter By Species
Human
(3)
All Species
Showing Publications 1 - 5 of 5.
Publications using 7570-GH Applications Species
Wu Z, Person A, Anderson M, Burroughs B, Tatge T, Khatri K, Zou Y, Wang L, Geders T, Zaia J, Sackstein R Imaging specific cellular glycan structures using glycosyltransferases via click chemistry. Glycobiology, 2017;0(0):. 2017 [PMID: 29186441] (Click Chemistry, Human) Click Chemistry Human
N Poupard, P Badarou, F Fasani, H Groult, N Bridiau, F Sannier, S Bordenave-, C Kieda, JM Piot, C Grillon, I Fruitier-A, T Maugard Assessment of Heparanase-Mediated Angiogenesis Using Microvascular Endothelial Cells: Identification of ?-Carrageenan Derivative as a Potent Anti Angiogenic Agent Mar Drugs, 2017;15(5):. 2017 [PMID: 28486399] (Bioassay) Bioassay
N Poupard, H Groult, J Bodin, N Bridiau, S Bordenave-, F Sannier, JM Piot, I Fruitier-A, T Maugard Production of heparin and ?-carrageenan anti-heparanase derivatives using a combination of physicochemical depolymerization and glycol splitting Carbohydr Polym, 2017;166(0):156-165. 2017 [PMID: 28385219] (Bioassay) Bioassay
Nataliya Bohdan Heparanase Activates Antithrombin through the Binding to Its Heparin Binding Site PLoS ONE, 2016;11(6):e0157834. 2016 [PMID: 27322195] (Western Blot, Human) Western Blot Human
Tinholt M, Stavik B, Louch W, Carlson C, Sletten M, Ruf W, Skretting G, Sandset P, Iversen N Syndecan-3 and TFPI colocalize on the surface of endothelial-, smooth muscle-, and cancer cells. PLoS ONE, 2015;10(1):e0117404. 2015 [PMID: 25617766] (Bioassay, Human) Bioassay Human

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Bioinformatics

Gene Symbol HPSE
Uniprot