Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot, ELISA, Flow Cytometry, CyTOF-ready

Cited:

Western Blot, Flow Cytometry, Immunocytochemistry, ELISA Development

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
View all APRIL/TNFSF13 Primary Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human APRIL/TNFSF13

Specificity

Detects human APRIL/TNFSF13 in direct ELISAs and Western blots. In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) Fas Ligand, rhTNF-alpha, rhTRAIL, and rhTRANCE is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Human APRIL/TNFSF13 Antibody

Human APRIL/TNFSF13 ELISA Standard Curve.

Recombinant Human APRIL/TNFSF13 protein was serially diluted 2-fold and captured by Mouse Anti-Human APRIL/TNFSF13 Monoclonal Antibody (MAB8844) coated on a Clear Polystyrene Microplate (DY990). Goat Anti-Human APRIL/TNFSF13 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF884) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (DY998) followed by Substrate Solution (DY999) and stopping the enzymatic reaction with Stop Solution (DY994).

Detection of APRIL/TNFSF13 in U937 Human Cell Line by Flow Cytometry.

U937 human lymphoma cell line was stained with Goat Anti-Human APRIL/TNFSF13 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF884, filled histogram) or control antibody staining (AB-108-C, open histogram) followed by anti-Goat IgG PE-conjugated Secondary Antibody (F0107). To facilitate intracellular staining, cells were fixed with Flow Cytometry Fixation Buffer (FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (FC005). View our protocol for Staining Intracellular Molecules.

Applications for Human APRIL/TNFSF13 Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

ELISA

This antibody functions as an ELISA detection antibody when paired with Mouse Anti-Human APRIL/TNFSF13 Monoclonal Antibody (Catalog # MAB8844).

This product is intended for assay development on various assay platforms requiring antibody pairs. We recommend the Human APRIL/TNFSF13 DuoSet ELISA Kit (Catalog # DY884B) for convenient development of a sandwich ELISA.

Flow Cytometry

0.25 µg/106 cells
Sample: U937 human lymphoma cell line fixed with Flow Cytometry Fixation Buffer (Catalog # FC004) and permeabilized with Flow Cytometry Permeabilization/Wash Buffer I (Catalog # FC005). View our protocol for Staining Intracellular Molecules.

Western Blot

0.1 µg/mL
Sample: Recombinant Human APRIL/TNFSF13 (Catalog # 884-AP)

Reviewed Applications

Read 1 review rated 3 using AF884 in the following applications:

Flow Cytometry Panel Builder

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Advanced Features

  • Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
  • Spillover Popups - Visualize the spectra of individual fluorochromes
  • Antigen Density Selector - Match fluorochrome brightness with antigen density
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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

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.

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.

Calculators

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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Background: APRIL/TNFSF13

APRIL (a proliferation-inducing ligand), also known as TNFSF13, TALL2, and TRDL1, is a member of the TNF ligand superfamily (1). APRIL is synthesized as a 32 kDa type II transmembrane protein which is cleaved by furin in the Golgi to release a 17 kDa soluble molecule (2, 3). Secreted APRIL consists almost entirely of a single TNF homology domain (2, 3). Little or no transmembrane APRIL is expressed on the cell surface (3). Alternate splicing generates isoforms with short deletions at the N- or C-terminus (4). Human APRIL shares 85% aa sequence identity with mouse and rat APRIL. Among TNF superfamily ligands, BAFF shows the greatest sequence homology with APRIL, and the two proteins exhibit overlapping biological activities. APRIL promotes cellular proliferation and protects from apoptosis in normal and transformed cells (3, 5‑7). It is present in elevated amounts in a wide variety of cancers primarily due to expression by tumor-infiltrating neutrophils (4, 5, 7‑9). Both APRIL and BAFF bind and signal through the TNF superfamily receptors TACI and BCMA, and BAFF additionally functions through BAFF R (6, 10, 11). A stretch of basic amino acids at the N-terminus of APRIL is required for its interaction with heparan sulfate proteoglycans (HSPGs) (12, 13). Binding to HSPGs is independent of APRIL’s binding to TACI and BCMA (12, 13). Interaction with HSPGs serves to concentrate APRIL on the surface of cells, thereby favoring TACI- or BCMA-mediated effects (8, 9, 13). APRIL can form bioactive heterotrimers with BAFF, and these circulate in the serum of patients with rheumatic immune disorders (14). A bioactive protein known as TWE-PRIL consists of the intracellular domain, transmembrane segment, and stalk region of TWEAK fused to the TNF homology domain of APRIL (15). TWE-PRIL is expressed in monocytes and activated T cells, and in contrast to APRIL, it is presented on the cell surface (15).

References

  1. Planelles, L. et al. (2008) Curr. Mol. Med. 8:829.
  2. Hahne, M. et al. (1998) J. Exp. Med. 188:1185.
  3. Lopez-Fraga, M. et al. (2001) EMBO Reports 2:945.
  4. Kelly, K. et al. (2000) Cancer Res. 60:1021.
  5. Roth, W. et al. (2001) Cell Death Differ. 8:403.
  6. Yu, G. et al. (2000) Nat. Immunol. 1:252.
  7. He, B. et al. (2004) J. Immunol. 172:3268.
  8. Schwaller, J. et al. (2007) Blood 109:331.
  9. Mhawech-Fauceglia, P. et al. (2008) Eur. J. Cancer 44:2097.
  10. Day, E.S. et al. (2005) Biochemistry 44:1919.
  11. Bossen, C. et al. (2006) J. Biol. Chem. 281:13964.
  12. Hendriks, J. et al. (2005) Cell Death Differ. 12:637.
  13. Ingold, K. et al. (2005) J. Exp. Med. 201:1375.
  14. Roschke, V. et al. (2002) J. Immunol. 169:4314.
  15. Pradet-Balade, B. et al. (2002) EMBO J. 21:5711.

Long Name

A Proliferation-inducing Ligand

Alternate Names

CD256, TALL2, TNFSF13, TRDL1, ZTNF2

Entrez Gene IDs

8741 (Human); 69583 (Mouse); 287437 (Rat); 102126587 (Cynomolgus Monkey)

Gene Symbol

TNFSF13

Additional APRIL/TNFSF13 Products

Product Documents for Human APRIL/TNFSF13 Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human APRIL/TNFSF13 Antibody

For research use only

Citations for Human APRIL/TNFSF13 Antibody

Customer Reviews for Human APRIL/TNFSF13 Antibody (1)

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  • Good antibody
    Name: Anonymous
    Application: ELISA
    Sample Tested: Recombinant protein
    Species: Human
    Verified Customer | Posted 09/09/2024
    dot blot showing compatibility
    When I couldn't see signal with MAB8843, I contacted the Technical Team and they provided me with some aliquot of AF884. Again, my ELISA didn't produced expected signal based on my assay design. I then used dot blot to check for compatibility between AF884 and anti-goat secondary antibody. Attached is the dot blot image, showing compatibility.
    Human APRIL/TNFSF13 Antibody AF884

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Protocols

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