IGSF8/CD316 Antibody (2587G)

R&D Systems | Catalog # MAB31171

Recombinant Monoclonal Antibody.
R&D Systems

Key Product Details

Species Reactivity

Human, Mouse, Rat

Applications

Western Blot, Intracellular Staining by Flow Cytometry, Simple Western, CyTOF-ready

Label

Unconjugated

Antibody Source

Recombinant Monoclonal Rabbit IgG Clone # 2587G
View all IGSF8/CD316 Primary Antibodies »

Product Specifications

Immunogen

Human embryonic kidney cell, HEK293-derived human IGSF8/CD316
Arg28-Thr579
Accession # Q969P0-1

Specificity

Detects human IGSF8/CD316 in direct ELISAs. Detects human, mouse, and rat IGSF8/CD316 in Western blots.

Clonality

Monoclonal

Host

Rabbit

Isotype

IgG

Scientific Data Images for IGSF8/CD316 Antibody (2587G)

Detection of Human, Mouse, and Rat IGSF8/CD316 by Western Blot.

Western blot shows lysates of human brain (hippocampus) tissue, mouse brain (cerebellum) tissue, and rat brain (cerebellum) tissue. PVDF membrane was probed with 2 µg/mL of Rabbit Anti-Human/Mouse/Rat IGSF8/CD316 Monoclonal Antibody (Catalog # MAB31171) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (HAF008). A specific band was detected for IGSF8/CD316 at approximately 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Western Blot Buffer Group 1.
Detection of IGSF8 antibody in SHSY-5Y human cell line antibody by Flow Cytometry.

Detection of IGSF8 in SHSY-5Y human cell line by Flow Cytometry.

SHSY-5Y human neuroblastoma cell line was stained with Rabbit Anti-Human/Mouse/Rat IGSF8/CD316 Monoclonal Antibody (Catalog # MAB31171, filled histogram) or Rabbit IgG isotype control antibody (MAB1050, open histogram) followed by Anti-Rabbit IgG APC-conjugated Secondary Antibody (F0111). Staining was performed using our Staining Membrane-associated Proteins protocol.

Detection of Human/Mouse/Rat IGSF8/CD316 by Simple WesternTM.

Simple Western lane view shows lysates of Human Brain (Cerebellum), loaded at 0.2 mg/mL. A specific band was detected for IGSF8/CD316 at approximately 73 kDa (as indicated) using 20 µg/mL of Rabbit Anti-Human/Mouse/Rat IGSF8/CD316 Monoclonal Antibody (Catalog # MAB31171). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Applications for IGSF8/CD316 Antibody (2587G)

Application
Recommended Usage

CyTOF-ready

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

Intracellular Staining by Flow Cytometry

0.25 µg/106 cells
Sample: SHSY-5Y human neuroblastoma cell line 

Simple Western

20 µg/mL
Sample: Human Brain (Cerebellum)

Western Blot

2 µg/mL
Sample: Human brain (hippocampus) tissue, Mouse brain (cerebellum) tissue, and Rat brain (cerebellum) tissue

Flow Cytometry Panel Builder

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Save time and reduce costly mistakes by quickly finding compatible reagents using the Panel Builder Tool.

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

Protein A or G purified from cell culture supernatant

Reconstitution

Reconstitute at 0.5 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: IGSF8/CD316

IGSF8 (Immunoglobulin superfamily member 8), also known as EWI-2, KCT-4, LIR-D1, and PGRL, is a 75-kDa cell surface protein belonging to the immunoglobulin superfamily (1). IGSF8 is widely expressed, with pronounced mRNA expression in the brain and protein expression on peripheral blood lymphocytes and hepatocytes where it colocalizes with CD81 (1-3). It strongly associates with tetraspanins CD9 and CD81 which may act as physical linkers to form a complex with alpha 3 beta 1 integrin that may regulate cell aggregation and motility on laminin-5 (4). Human IGSF8 is synthesized as a 613 aa protein that includes a 27 aa signal peptide, a 552 aa extracellular domain (ECD), a 21 aa transmembrane segment, and a 13 aa cytoplasmic tail. Within the ECD, human IGSF8 shares 91% and 90% aa sequence identity with mouse and rat IGSF8, respectively. IGSF8 is an inducible receptor for Heat Shock Protein A8 (HSPA8) on activated dendritic cells (5). IGSF8 can interact with alpha -Actinin to regulate T cell immune synapses and HIV viral infection (6). In human glioma patients, low IGSF8 expression correlates with shorter survival time. Studies have shown that re-expression of IGSF8 in malignant glioblastoma cell lines inhibited glioblastoma colony formation in soft agar and caused diminished cell motility and invasion (7).

References

  1. Clark, K.L. et al. (2001) J. Immunol. 167:5115.
  2. Stipp, C.S. et al. (2001) J. Biol. Chem. 276:40545.
  3. Charrin, S. et al. (2003) Biochem. J. 373:409.
  4. Stipp, C.S. et al. (2003) J. Cell Biol. 163:1167.
  5. Kettner, S. et al. (2007) Mol Cell Biol. 27:7718.
  6. Gordón-Alonso, M. et al. (2012) J Immunol 189:689.
  7. Kolesnikova, T. et al. (2009) Neoplasia.11:77.

Long Name

Immunoglobulin Superfamily, Member 8

Alternate Names

CD316, CD81P3, EWI2, KCT4, PGRL

Entrez Gene IDs

93185 (Human); 140559 (Mouse)

Gene Symbol

IGSF8

UniProt

Q969P0-1

Additional IGSF8/CD316 Products

Product Documents for IGSF8/CD316 Antibody (2587G)

Certificate of Analysis

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Product Specific Notices for IGSF8/CD316 Antibody (2587G)

For research use only

Citations for IGSF8/CD316 Antibody (2587G)

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