Detects mouse HB-EGF in direct ELISAs and Western Blots. In direct ELISAs, less than 30% cross-reactivity with recombinant human HB‑EGF is observed and less then 2% cross-reactivity with recombinant mouse Amphiregulin is observed.
Polyclonal Sheep IgG
E. coli-derived recombinant mouse HB-EGF Asp63-Leu148 Accession # Q06186
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Detection of Mouse HB‑EGF by Western Blot.
Western blot shows lysates of C2C12 mouse myoblast cell line. PVDF membrane was probed with 2 µg/mL of Sheep Anti-Mouse HB‑EGF Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8239) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for HB‑EGF at approximately 28 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
HB‑EGF in Mouse Embryo.
HB‑EGF was detected in immersion fixed frozen sections of mouse embryo (15 d.p.c.) using Sheep Anti-Mouse HB‑EGF Antigen Affinity-purified Polyclonal Antibody (Catalog # AF8239) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific staining was localized to developing central nervous system. View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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.
Heparin-binding EGF-like growth factor, HB-EGF, is a 19-23 kDa glycoprotein, member of the EGF family of mitogens that exists in multiple forms as a result of heterogenous O-glycosylation. HB-EGF is a growth factor that mediates its effects via EGFR, ERBB2 and ERBB4. It is required for normal cardiac valve formation and normal heart function and promotes smooth muscle cell proliferation. HB-EGF may be involved in macrophage-mediated cellular proliferation. The cDNA for mouse Proheparin-binding EGF-like growth factor encodes a 208 amino acid residue transmembrane protein that is proteolytically cleaved to generate the soluble HB‑EGF. Like EGF, TGF-alpha, and AR, HB-EGF binds to the EGF receptor and activates the receptor tyrosine kinase. It has been suggested that the differential activities found for HB-EGF compared to EGF may be mediated by the heparin-binding properties of HB-EGF.
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