Rat PDGF-AA Antibody

(2 citations)   
  • Species Reactivity
    Rat
  • Specificity
    Detects rat PDGF‑AA in direct ELISAs and Western blots. In direct ELISAs, approximately 50% cross-reactivity with recombinant rat (rr) PDGF-AB is observed, 30% cross-reactivity with recombinant human PDGF-AA is observed, and less than 5% cross-reactivity with rrPDGF-BB is observed.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant rat PDGF‑AA
    Ser87-Arg196
    Accession # AAB59693
  • Formulation
    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.
  • Endotoxin Level
    <0.10 EU per 1 μg of the antibody by the LAL method.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.1 µg/mL
    Recombinant Rat PDGF‑AA (Catalog # 1055-AA)
  • Immunohistochemistry
    5-15 µg/mL
    Perfusion fixed frozen sections of rat intestine and thymus
  • Neutralization
    Measured by its ability to neutralize PDGF‑AA-induced proliferation in the NR6R‑3T3 mouse fibroblast cell line. Raines, E. W. et al. (1985) Methods Enzymol. 109:749. The Neutralization Dose (ND50) is typically 0.2-0.6 µg/mL in the presence of 25 ng/mL Recombinant Rat PDGF‑AA.
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.
Data Examples
Cell Proliferation Induced by PDGF‑AA and Neutralization by Rat PDGF‑AA Antibody.

Recombinant Rat PDGF‑AA (Catalog # 1055-AA) stimulates proliferation in the NR6R‑3T3 mouse fibroblast cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Rat PDGF‑AA (25 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Rat PDGF‑AA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF1055). The ND50 is typically 0.2-0.6 µg/mL.

Preparation and Storage
  • Reconstitution
    Reconstitute at 0.2 mg/mL in sterile PBS.
  • Shipping
    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.
Background: PDGF-AA

The platelet-derived growth factor (PDGF) family consists of proteins derived from four genes (PDGF-A, -B, -C, and -D) that form four disulfide-linked homodimers (PDGF-AA, -BB, -CC, and -DD) and one heterodimer (PDGF-AB) (1, 2). These proteins regulate diverse cellular functions by binding to and inducing the homo- or hetero-dimerization of two receptors (PDGF R alpha and R beta ). Whereas alpha / alpha homo-dimerization is induced by PDGF-AA, -BB, -CC, and -AB, alpha / beta hetero-dimerization is induced by PDGF-AB,-BB, -CC, and -DD, and beta / beta homo-dimerization is induced only by PDGF-BB, and -DD (1‑4). Both PDGF R alpha and R beta are members of the class III subfamily of receptor tyrosine kinases (RTK) that have five immunoglobulin-like domains in their extracellular region and a split kinase domain in their intracellular region. Ligand-induced receptor dimerization results in autophosphorylation in trans resulting in the activation of several intracellular signaling pathways that can lead to cell proliferation, cell survival, cytoskeletal rearrangement, cell migration and extracellular matrix production. Rat PDGF-A chain cDNA encodes a 204 amino acid (aa) residue precursor protein with a 20 aa signal peptide, a 65 aa propeptide that is removed by proteolysis, and a 119 aa mature protein. By alternative splicing, a short form lacking 8 C-terminal aa residues also exists. The long form contains the 8 aa basic insert which promotes intracellular cell retention and association with cell matrix. PDGF-A is expressed in multiple cell types and tissues. Based on PDGF-A knockout studies, PDGF-A appears to be important for the development of oligodendrocytes, testicular Leydig cells, alveolar smooth muscle cells, hair follicles and intestinal villus (1).

  • References:
    1. Betshotz, C. et al. (2001) BioEssays 23:494.
    2. Ostman, A. and A.H. Heldin (2001) Advances in Cancer Research 80:1.
    3. Gilbertson, D. et al. (2001) J. Biol. Chem. 276:27406.
    4. LaRochells, W.J. et al. (2001) Nature Cell Biol. 3:517.
  • Long Name:
    Platelet-derived Growth Factor AA
  • Entrez Gene IDs:
    5154 (Human); 25266 (Rat)
  • Alternate Names:
    PDGFAA; PDGF-AA
Related Research Areas
Citations:

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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Species
Applications
Sample Type
  1. Comparative Analysis of the Cell Fates of Induced Schwann Cells from Subcutaneous Fat Tissue and Na�ve Schwann Cells in the Sciatic Nerve Injury Model
    Authors: M Zhang, MH Jiang, DW Kim, W Ahn, E Chung, Y Son, G Chi
    Biomed Res Int, 2017;2017(0):1252851.
    Species: Rat
    Sample Type: Whole Cells
    Application: Neut
  2. Platelet-derived growth factor isoform expression in carbon tetrachloride-induced chronic liver injury.
    Authors: Borkham-Kamphorst E, Kovalenko E, van Roeyen CR, Gassler N, Bomble M, Ostendorf T, Floege J, Gressner AM, Weiskirchen R
    Lab. Invest., 2008;88(10):1090-100.
    Species: Rat
    Sample Type: Tissue Homogenates
    Application: WB
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