Recombinant Human Epiregulin (Human Epiregulin)_C230332

Description

Epiregulin is an EGF-related growth factor that binds specifically to EGFR (ErbB1) and ErbB4, but not ErbB2 or ErbB3. It is expressed mainly in the placenta and peripheral blood leukocytes, as well as in certain carcinomas of the bladder, lung, kidney and
colon. Epiregulin stimulates the proliferation of keratinocytes, hepatocytes, fibroblasts and vascular smooth muscle cells. It also inhibits the growth of several tumor-derived epithelial cell lines. Human Epiregulin is initially synthesized as a glycosylated 19.0
kDa transmembrane precursor protein, which is processed by proteolytic cleavage to produce a 6.0 kDa mature secreted sequence. Recombinant Human Epiregulin is a 5.6 kDa monomeric protein, containing 50 amino residues, which corresponds to the mature secreted Epiregulin sequence.

 

Product Properties

Synonyms

EREG
Accession
O1494
GeneID
2069
Source
E.coli-derived Human Epiregulin protein,Val60-Leu108
Molecular Weight
Approximately 5.6 kDa.
AA Sequence
AVTVTPPITA QQADNIEGPI ALKFSHLCLE DHNSYCINGA CAFHHELEKA ICRCFTGYTG ERCEHLTLTS YA
Tag
None
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity
Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine Balb/c 3T3 cells is less than 2 ng/mL, corresponding to a specific activity of > 5.0 × 10 5 IU/mg.
Endotoxin
< 1.0 EU per 1μg of the protein by the LAL method.
Formulation
Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH 7.4.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of
0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.

 

Shipping and Storage

The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

 

Cautions

1. Avoid repeated freeze-thaw cycles.
2. For your safety and health, please wear lab coats and disposable gloves for operation.
3. For research use only.

Recombinant Human Epiregulin (Human Epiregulin)_C230332

Product form

SKU: C230332E

$82.00

    • Shipped today? Order within: Mar 26, 2025 17:00:00 -0400
    • Tell a unique detail about this product

    Description

    Epiregulin is an EGF-related growth factor that binds specifically to EGFR (ErbB1) and ErbB4, but not ErbB2 or ErbB3. It is expressed mainly in the placenta and peripheral blood leukocytes, as well as in certain carcinomas of the bladder, lung, kidney and
    colon. Epiregulin stimulates the proliferation of keratinocytes, hepatocytes, fibroblasts and vascular smooth muscle cells. It also inhibits the growth of several tumor-derived epithelial cell lines. Human Epiregulin is initially synthesized as a glycosylated 19.0
    kDa transmembrane precursor protein, which is processed by proteolytic cleavage to produce a 6.0 kDa mature secreted sequence. Recombinant Human Epiregulin is a 5.6 kDa monomeric protein, containing 50 amino residues, which corresponds to the mature secreted Epiregulin sequence.

     

    Product Properties

    Synonyms

    EREG
    Accession
    O1494
    GeneID
    2069
    Source
    E.coli-derived Human Epiregulin protein,Val60-Leu108
    Molecular Weight
    Approximately 5.6 kDa.
    AA Sequence
    AVTVTPPITA QQADNIEGPI ALKFSHLCLE DHNSYCINGA CAFHHELEKA ICRCFTGYTG ERCEHLTLTS YA
    Tag
    None
    Physical Appearance
    Sterile Filtered White lyophilized (freeze-dried) powder.
    Purity
    > 97 % by SDS-PAGE and HPLC analyses.
    Biological Activity
    Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using murine Balb/c 3T3 cells is less than 2 ng/mL, corresponding to a specific activity of > 5.0 × 10 5 IU/mg.
    Endotoxin
    < 1.0 EU per 1μg of the protein by the LAL method.
    Formulation
    Lyophilized from a 0.2μm filtered concentrated solution in PBS, pH 7.4.
    Reconstitution
    We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of
    0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.

     

    Shipping and Storage

    The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
    Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

     

    Cautions

    1. Avoid repeated freeze-thaw cycles.
    2. For your safety and health, please wear lab coats and disposable gloves for operation.
    3. For research use only.

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