Human CEBP  alpha Antibody

Catalog # Availability Size / Price Qty
AF7094
AF7094-SP
CEBP  alpha  in Human Liver.
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Product Details
Citations (1)
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Human CEBP  alpha Antibody Summary

Species Reactivity
Human
Specificity
Detects human CEBP  alpha in direct ELISAs. In direct ELISAs, less than 1% cross-reactivity with recombinant human (rh) CEBP beta, rhCEBP gamma, rhCEBP δ, rhCEBP zeta, and rhCEBP epsilon is observed.
Source
Polyclonal Sheep IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human CEBP  alpha
Met1-Ala124
Accession # P49715
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Immunohistochemistry
5-15 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunohistochemistry CEBP a antibody in Human Liver by Immunohistochemistry (IHC-P). View Larger

CEBP alpha in Human Liver. CEBP a was detected in immersion fixed paraffin-embedded sections of human liver using Sheep Anti-Human CEBP a Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7094) at 5 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 nuclei in hepatocytes. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Immunocytochemistry/ Immunofluorescence Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence View Larger

Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence Development of endothelial and mesenchymal like cells and maturation of hepatic endoderm.(a) CD34 and CD93 were detected in endothelial progenitor-like cells on day 7. CEBP alpha +marks the hepatic endoderm in the background (scale bars, 200 μm). (b) Development of endothelial-like cells (arrows indicate CD31). CD34 is present in the hepatocyte-like cell fraction (CEBP alpha +, CD146−) and in the endothelial-like cells (CEBP alpha −, CD146+). (c) CD51+, NES+, PDGFR alpha + mesenchymal stem cell-like cells develop in conjunction with hepatoblasts. (d) AAT and CEBP alpha on day 8 and (e) 10 show maturation of hepatic endoderm. (f) Upregulation of AAT and fibrinogen (Fib) synthesis (ELISA). Data are mean±s.e.m., n=3 per group. Scale bars: 200 μm. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/26732624), licensed under a CC-BY license. Not internally tested by R&D Systems.

Immunocytochemistry/ Immunofluorescence Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence View Larger

Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence Development of endothelial and mesenchymal like cells and maturation of hepatic endoderm.(a) CD34 and CD93 were detected in endothelial progenitor-like cells on day 7. CEBP alpha +marks the hepatic endoderm in the background (scale bars, 200 μm). (b) Development of endothelial-like cells (arrows indicate CD31). CD34 is present in the hepatocyte-like cell fraction (CEBP alpha +, CD146−) and in the endothelial-like cells (CEBP alpha −, CD146+). (c) CD51+, NES+, PDGFR alpha + mesenchymal stem cell-like cells develop in conjunction with hepatoblasts. (d) AAT and CEBP alpha on day 8 and (e) 10 show maturation of hepatic endoderm. (f) Upregulation of AAT and fibrinogen (Fib) synthesis (ELISA). Data are mean±s.e.m., n=3 per group. Scale bars: 200 μm. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/26732624), licensed under a CC-BY license. Not internally tested by R&D Systems.

Immunocytochemistry/ Immunofluorescence Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence View Larger

Detection of Human CEBP alpha by Immunocytochemistry/Immunofluorescence Development of endothelial and mesenchymal like cells and maturation of hepatic endoderm.(a) CD34 and CD93 were detected in endothelial progenitor-like cells on day 7. CEBP alpha +marks the hepatic endoderm in the background (scale bars, 200 μm). (b) Development of endothelial-like cells (arrows indicate CD31). CD34 is present in the hepatocyte-like cell fraction (CEBP alpha +, CD146−) and in the endothelial-like cells (CEBP alpha −, CD146+). (c) CD51+, NES+, PDGFR alpha + mesenchymal stem cell-like cells develop in conjunction with hepatoblasts. (d) AAT and CEBP alpha on day 8 and (e) 10 show maturation of hepatic endoderm. (f) Upregulation of AAT and fibrinogen (Fib) synthesis (ELISA). Data are mean±s.e.m., n=3 per group. Scale bars: 200 μm. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/26732624), licensed under a CC-BY license. Not internally tested by R&D Systems.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Sterile PBS to a final concentration of 0.2 mg/mL.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store 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.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CEBP alpha

CEBP alpha (CCAAT/Enhancer-Binding Protein; also C/EBP) is a 42-43 kDa member of the C/EBP subfamily, bZIP family of proteins. It is expressed in multiple cell types, particularly those that are fully differentiated, and includes hepatocytes, skeletal muscle cells, adipocytes, intestinal epithelium and proliferating macrophages. CEBP alpha acts as a transcriptional activator for a large and diverse number of genes, including glycogen synthase, GLUT4, and G-CSFR, and participates in both cell cycle progression and differentiation. Human CEBP alpha  is 358 amino acids (aa) in length). It contains one transactivation domain (aa 1-96), poly-Gly segment (aa 99-104), a poly-Pro motif (aa 183-189), a bZIP dimerization region (aa 281-334), and an overlapping DNA-binding Leu-zipper domain (aa 317-345). CEBP alpha  forms both homodimers, and heterodimers with other subfamily members. One alternative start site at Met120 generates a low activity 30-32 kDa isoform variant. There is also a utilized phosphorylation site at Ser21 that regulates activity. Over aa 1-124, human CEBP alpha shares 93% aa identity with mouse CEBP alpha.

Long Name
CCAAT/enhancer-Binding Protein alpha
Entrez Gene IDs
1050 (Human); 12606 (Mouse); 24252 (Rat)
Alternate Names
C/EBP alpha; C/EBP-alpha; CCAAT/enhancer binding protein (C/EBP), alpha; CCAAT/enhancer-binding protein alpha; CEBP alpha; CEBP; CEBPA

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Citation for Human CEBP  alpha Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

1 Citation: Showing 1 - 1

  1. Divergent transcriptional regulation of astrocyte reactivity across disorders
    Authors: JE Burda, TM O'Shea, Y Ao, KB Suresh, S Wang, AM Bernstein, A Chandra, S Deverasett, R Kawaguchi, JH Kim, S McCallum, A Rogers, S Wahane, MV Sofroniew
    Nature, 2022-05-25;0(0):.

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