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Human IRF8 Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB5117

R&D Systems, part of Bio-Techne
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MAB5117
MAB5117-SP

Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Simple Western, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2A Clone # 809926

Product Specifications

Immunogen

E. coli-derived recombinant human IRF8
Ala255-Val426
Accession # Q02556

Specificity

Detects human IRF8 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human IRF4 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2A

Scientific Data Images for Human IRF8 Antibody

Detection of Human IRF8 antibody by Western Blot.

Detection of Human IRF8 by Western Blot.

Western blot shows lysates of Daudi human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line. Gels were loaded with 25 µg of nuclear extracts (Nuc) and whole cell lysate (WCL). PVDF membrane was probed with 2 µg/mL of Mouse Anti-Human IRF8 Monoclonal Antibody (Catalog # MAB5117) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for IRF8 at approximately 50 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
IRF8 antibody in Human Tonsil by Immunohistochemistry (IHC-P).

IRF8 in Human Tonsil.

IRF8 was detected in immersion fixed paraffin-embedded sections of human tonsil using Mouse Anti-Human IRF8 Monoclonal Antibody (Catalog # MAB5117) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody, tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Mouse HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS002) and counterstained with hematoxylin (blue). Specific staining was localized to lymphocytes in germinal centers. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
Detection of Human IRF8 antibody by Simple WesternTM.

Detection of Human IRF8 by Simple WesternTM.

Simple Western lane view shows lysates of Daudi human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line, loaded at 0.5 mg/mL. A specific band was detected for IRF8 at approximately 54 kDa (as indicated) using 20 µg/mL of Mouse Anti-Human IRF8 Monoclonal Antibody (Catalog # MAB5117). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Applications for Human IRF8 Antibody

Application
Recommended Usage

Immunohistochemistry

8-25 µg/mL
Sample: Immersion fixed paraffin-embedded sections of human tonsil subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013)

Simple Western

20 µg/mL
Sample: Daudi human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line

Western Blot

2 µg/mL
Sample: Daudi human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line

Reviewed Applications

Read 1 review rated 5 using MAB5117 in the following applications:

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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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.

Background: IRF8

IRF8 (interferon regulatory factor 8; also ICSBP) is a 50 kDa member of the IRF family of proteins. It is expressed in myeloid, dendritic and B cells and interacts with PU.1 to regulate the expression of TLR4, IL-18, IL-12p35, and PTPN13, a Fas-associated phosphatase that blocks Fas-induced apoptosis. Human IRF8 is 426 amino acids (aa) in length. It contains an N-terminal DNA-binding basic region (aa 9-110) and at least one regulatory phosphorylation site at Tyr95. Over aa 255-426, human IRF8 shares 90% and 88% aa sequence identity with canine and mouse IRF8, respectively.

Long Name

Interferon Regulatory Factor 8

Alternate Names

ICSBP1

Entrez Gene IDs

3394 (Human); 15900 (Mouse); 292060 (Rat)

Gene Symbol

IRF8

UniProt

Additional IRF8 Products

Product Documents for Human IRF8 Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human IRF8 Antibody

For research use only

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