Human IL-7 Antibody

(4 citations)
(2 Reviews)
  
  • Species Reactivity
    Human
  • Specificity
    Detects human IL-7 in direct ELISAs and Western blots. In Western blots, detects recombinant mouse IL-7 but no cross-reactivity with recombinant rat IL-17.
  • Source
    Polyclonal Goat IgG
  • Purification
    Antigen Affinity-purified
  • Immunogen
    E. coli-derived recombinant human IL-7
    Asp26-His177
    Accession # P13232
  • 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
    See below
  • Neutralization
    Measured by its ability to neutralize IL‑7-induced proliferation in PHA-activated human peripheral blood mononuclear cells (PBMC). Yokota, T. et al. (1986) Proc. Natl. Acad. Sci. USA 83:5894. The Neutralization Dose (ND50) is typically 0.02-0.04 µg/mL in the presence of 2.5 ng/mL Recombinant Human IL‑7.
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
Detection of Recombinant Human and Mouse IL‑7 by Western Blot. Western blot shows 25 ng of Recombinant Human IL‑7 (Catalog # 207-IL), Recombinant Mouse IL‑7 (Catalog # 407-ML) and Recombinant Rat IL‑7 (Catalog # 7857-RL). PVDF Membrane was probed with 0.1 µg/mL of Goat Anti-Human IL‑7 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-207-NA) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for IL‑7 at approximately 17 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 3.
Cell Proliferation Induced by IL‑7 and Neutralization by Human IL‑7 Antibody. Recombinant Human IL‑7 (Catalog # 207-IL) stimulates proliferation in PHA-activated human peripheral blood mononuclear cells (PBMC) in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Human IL‑7 (2.5 ng/mL) is neutralized (green line) by increasing concentrations of Human IL‑7 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF-207-NA). The ND50 is typically 0.02-0.04 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: IL-7

IL-7, previously known as pre-B cell growth factor and lymphopoietin-1, was originally purified on the basis of its ability to promote the proliferation of precursor B cells. It has now been shown that IL-7 can also stimulate the proliferation of thymocytes, T cell progenitors and mature CD4+ and CD8+ T cells. IL-7 can induce the formation of lymphokine-activated killer (LAK) cells as well as the development of cytotoxic T lymphocytes (CTL). IL-7 was also shown to induce the V(D)J rearrangement of the T cell receptor beta gene in mouse fetal thymocytes. Among myeloid lineage cells, IL-7 can up-regulate the production of pro-inflammatory cytokines and stimulate the tumoricidal activity of monocytes/macrophages. ­IL-7 is expressed by adherent stromal cells from various tissues.

Human IL-7 cDNA encodes a precursor protein of 177 amino residues containing a 25 amino acid residue signal peptide. Mouse IL-7 has approximately 65% amino acid sequence identity with human IL-7 and both proteins exhibit cross-species activity.

IL-7 bioactivites are mediated by the binding of IL-7 to functional high-affinity receptor complexes. The ligand binding subunit (IL-7 R) of the IL-7 receptor complex has been cloned from human and mouse sources. In addition to the membrane-anchored form of the IL-7 receptor, a human cDNA clone that encodes a soluble form of the IL-7 R has also been isolated. The gamma chain of the IL-2 receptor complex has been shown to be an essential component for IL-7 signal transduction. Both IL-7 R and IL-2 R gamma  are members of the hematopoietin receptor superfamily. Cells known to express IL-7 receptors include pre-B cells, T cells and bone marrow cells.

  • Long Name:
    Interleukin 7
  • Entrez Gene IDs:
    3574 (Human); 16196 (Mouse); 25647 (Rat)
  • Alternate Names:
    IL7; IL-7; IL-7interleukin-7; interleukin 7; Lymphopoietin-1; PBGF
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.

4 Citations: Showing 1 - 4
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Species
Applications
Sample Type
  1. Interleukin 7 plays a role in T lymphocyte apoptosis inhibition driven by mesenchymal stem cell without favoring proliferation and cytokines secretion.
    Authors: Normanton M, Alvarenga H, Hamerschlak N, Ribeiro A, Kondo A, Rizzo L, Marti L
    PLoS ONE, 2014;9(9):e106673.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  2. Dendritic cells induce MUC1 expression and polarization on human T cells by an IL-7-dependent mechanism.
    Authors: Vasir B, Avigan D, Wu Z, Crawford K, Turnquist S, Ren J, Kufe D
    J. Immunol., 2005;174(4):2376-86.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  3. Murine and human IL-7 activate STAT5 and induce proliferation of normal human pro-B cells.
    Authors: Johnson SE, Shah N, Panoskaltsis-Mortari A, Lebien TW
    J. Immunol., 2005;175(11):7325-31.
    Species: Human
    Sample Type: Whole Cells
    Application: Neut
  4. Structure function analysis of interleukin 7: requirement for an aromatic ring at position 143 of helix D.
    Authors: vanderSpek JC, Sutherland JA, Gill BM, Gorgun G, Foss FM, Murphy JR
    Cytokine, 2002;17(5):227-33.
    Species: Human
    Sample Type: Cell Culture Supernates
    Application: WB
Isotype Controls
Description Application Cat# Citations Images  

Normal Goat IgG Control

Ctrl AB-108-C 191  
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Secondary Antibodies
Description Application Cat# Citations Images  

Goat IgG HRP-conjugated Antibody

WB, Simple Western HAF109 19  
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Goat IgG HRP-conjugated Antibody

WB HAF017 15  
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Goat IgG (H+L) PE-conjugated Antibody

Flow F0107 4  
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Donkey Anti-Goat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL001 9
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Donkey Anti-Goat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL003 5
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Goat IgG (H+L) APC-conjugated Antibody

Flow F0108 6  
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Goat IgG Horseradish Peroxidase-conjugated Antibody

WB HAF019 6  
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Donkey Anti-Goat IgG Antibody

WB AF109 6
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Donkey Anti-Goat IgG Biotinylated Antibody

WB BAF109 3
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Goat IgG VisUCyte HRP Polymer

IHC VC004  
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Goat IgG (H+L) Fluorescein-conjugated Antibody

Flow F0109 2  
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Donkey Anti-Goat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL002
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Chicken Anti-Goat IgG Biotinylated Antibody

WB BAF019
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Rabbit Anti-Goat IgG Biotinylated Antibody

WB BAF017
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Rabbit Anti-Goat IgG (H+L) Affinity Purified PAb, X Absorbed

WB, ELISA R-401-C-ABS
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Donkey Anti-Goat IgG (H+L) PerCP-conjugated Antibody

Flow F0124
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Average Rating: 4 (Based on 2 reviews)

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We have 2 reviews tested in 1 species: Human.
We have 2 reviews tested in 2 applications: ELISA, Chromatin Immunoprecipitation.

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Images Ratings Applications Species Reviewed By Date Details
ELISA Human IL-7 Antibody AF-207-NA
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 ELISA Human Anonymous 11/17/2017
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ELISA Human IL-7 Antibody AF-207-NA
ELISA: Human IL-7 Antibody [AF-207-NA]

Summary

ApplicationELISA
Sample TestedSerum and Plasma
SpeciesHuman

Other Experimental Details

Other Experimental DetailsThis antibody was used as the detection paired with MAB207 as the capture in an ELISA. IL-7 in human samples were measured.
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 ChIP Human Anonymous 11/04/2017
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Summary

ApplicationChromatin Immunoprecipitation
Sample Tested786-O human renal cell adenocarcinoma cell line
SpeciesHuman

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