Detection of Human GFER/ALR by Western Blot. Western blot shows lysates of HepG2 human hepatocellular carcinoma cell line and Hep3B human hepatocellular carcinoma cell line. PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human GFER/ALR Monoclonal Antibody (Catalog # MAB7940) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). Specific bands were detected for GFER/ALR at approximately 20-24 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
GFER/ALR in Human Liver. GFER/ALR was detected in immersion fixed paraffin-embedded sections of human liver using Mouse Anti-Human GFER/ALR Monoclonal Antibody (Catalog # MAB7940) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm of hepatocytes. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Preparation and Storage
Sterile PBS to a final concentration of 0.5 mg/mL.
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.
GFER, also known as Augmenter of Liver Regeneration (ALR) and Hepatopoietin, is an approximately 30 kDa mitochondrial sulfhydryl oxidase that plays a role in protein disulfide bond formation. Alternative splicing of human GFER generates a 15 kDa secreted isoform that lacks the 80 N-terminal amino acids. Within aa 82‑205, human GFER shares approximately 86% aa sequence identity with mouse and rat GFER. GFER protects hepatocytes from toxin-induced damage, promotes hepatic regeneration, and inhibits the metastasis of hepatocellular carcinoma. It also restricts the proliferation of pluripotent and hematopoietic stem cells and maintains mitochondrial integrity.
Growth Factor, Augmenter of Liver Regeneration
Entrez Gene IDs:
2671 (Human); 11692 (Mouse); 27100 (Rat)
ALR; ALRFAD-linked sulfhydryl oxidase ALR; Augmenter of liver regeneration; EC 184.108.40.206; ERV1 homolog; ERV1; ERV1hepatopoietin protein; erv1-like growth factor; GFER; growth factor, augmenter of liver regeneration; growth factor, erv1 (S. cerevisiae)-like (augmenter of liver regeneration); Hepatopoietin; HERV1; HERV1hepatic regenerative stimulation substance; HPO; HPO1; HPO2; HSS; truncated augmenter of liver regeneration
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