Human TGF-alpha Biotinylated Antibody

Catalog # Availability Size / Price Qty
BAF239
Product Details
Citations (2)
FAQs
Supplemental Products
Reviews

Human TGF-alpha Biotinylated Antibody Summary

Species Reactivity
Human
Specificity
Detects human TGF-alpha in ELISAs and Western blots. In sandwich immunoassays, less than 0.05% cross‑reactivity with rhTGF-beta 1, rhAR, rhBTC, rhEGF, rhHRG-a and rhSMDF is observed.
Source
Polyclonal Goat IgG
Purification
Antigen Affinity-purified
Immunogen
E. coli-derived recombinant human TGF-alpha
Val40-Ala89
Accession # P01135
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Label
Biotin

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human TGF-alpha (Catalog # 239-A)

Human TGF-alpha Sandwich Immunoassay

Recommended Concentration
Reagent
ELISA Detection (Matched Antibody Pair)
0.1-0.4 µg/mL 

Use in combination with:

Capture Reagent: Human TGF‑ alpha Antibody (Catalog # AF-239-NA)

Standard: Recombinant Human TGF-alpha Protein, CF (Catalog # 239-A)

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.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
The product is shipped at ambient temperature. Upon receipt, store it 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: TGF-alpha

TGF-alpha was originally isolated from the conditioned media of oncogenically transformed cells as an EGF-like bioactivity. TGF-alpha is a member of the EGF family of cytokines that are synthesized as transmembrane precursors and are characterized by the presence of one or several EGF structural units in their extracellular domain. The soluble forms of these cytokines are released from the transmembrane protein by proteolytic cleavage. Membrane-bound proTGF-alpha is biologically active and seems to play a role in mediation of cell-cell adhesion and in juxtacrine stimulation of adjacent cells. Expression of TGF-alpha is widespread in tumors and transformed cells. TGF-alpha is also expressed in normal tissues during embryogenesis and in adult tissues, including pituitary, brain, keratinocytes and macrophages. Mature TGF-alpha  shows approximately 93% amino acid sequence identity with mouse or rat TGF-alpha and is not species specific in its biological effects.

TGF-alpha binds to the EGF receptor and activates the receptor tyrosine kinase. Accordingly, TGF-alpha shows a similar potency to EGF as a mitogen for fibroblasts and as an inducer of epithelial development in vivo. TGF-alpha is reportedly more potent than EGF as an angiogenic factor in vivo and as a stimulator for keratinocyte migration. The EGF receptor gene represents the cellular homologue of the avian v-erb-B oncogene.

Long Name
Transforming Growth Factor alpha
Entrez Gene IDs
7039 (Human)
Alternate Names
protransforming growth factor alpha; TFGA; TGFA; TGFalpha; TGF-alpha; transforming growth factor, alpha; transforming growth factor-alpha

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Citations for Human TGF-alpha Biotinylated 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.

2 Citations: Showing 1 - 2
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  1. Locally advanced rectal cancer transcriptomic-based secretome analysis reveals novel biomarkers useful to identify patients according to neoadjuvant chemoradiotherapy response
    Authors: LMD Canto, SS Cury, MC Barros-Fil, BEC Kupper, MDFS Begnami, C Scapulatem, RF Carvalho, FA Marchi, DA Olsen, JS Madsen, BM Havelund, S Aguiar, SR Rogatto
    Sci Rep, 2019-06-18;9(1):8702.
    Species: Human
    Sample Types: Serum
    Applications: ELISA Detection
  2. Development and validation of sandwich ELISA microarrays with minimal assay interference.
    Authors: Gonzalez RM, Seurynck-Servoss SL, Crowley SA
    J. Proteome Res., 2008-04-19;7(6):2406-14.
    Species: Human
    Sample Types: Serum
    Applications: ELISA Microarray Development

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