Human TNF-alpha Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB2102

R&D Systems, part of Bio-Techne
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MAB2102-100
MAB2102-SP
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Key Product Details

Species Reactivity

Validated:

Human

Cited:

Mouse

Applications

Validated:

Immunocytochemistry, Western Blot

Cited:

Functional Assay

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 983003

View all TNF-alpha Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant human TNF‑ alpha
Lys87-Ala232
Accession # P01375

Specificity

Detects human TNF‑ alpha in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human TNF-alpha Antibody

Detection of Human TNF-a antibody by Western Blot.

Detection of Human TNF‑ alpha by Western Blot.

Western blot shows conditioned media from CHO Chinese hamster ovary cell line either mock transfected or transfected with human TNF- a. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human TNF-a Monoclonal Antibody (Catalog # MAB2102) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). Specific bands were detected for TNF-a at approximately 13 and 16 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
TNF-a antibody in Human PBMCs by Immunocytochemistry (ICC).

TNF‑ alpha in Human PBMCs.

TNF-a was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using Mouse Anti-Human TNF-a Monoclonal Antibody (Catalog # MAB2102) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Applications for Human TNF-alpha Antibody

Application
Recommended Usage

Immunocytochemistry

8-25 µg/mL
Sample:

Immersion fixed human peripheral blood mononuclear cells (PBMCs)

Western Blot

1 µg/mL
Sample: CHO Chinese hamster ovary cell line eith transfected with human TNF-alpha

Formulation, Preparation, and Storage

Purification

Protein A or G purified from ascites

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

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: TNF-alpha

Tumor necrosis factor alpha (TNF-alpha, TNF- alpha, TNFA ), also known as Cachectin and TNFSF2, is the prototypic ligand of the TNF superfamily. It is a pleiotropic molecule that plays a central role in inflammation, immune system development, apoptosis, and lipid metabolism. TNF- is produced by several lymphoid cells as well as by astrocytes, endothelial cells, and smooth muscle cells. Human TNF-alpha consisits of a 35 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane segment, and a 177 aa extracellular domain (ECD). Within the ECD, human TNF-alpha shares 97% aa sequence identity with rhesus and 71%-92% with bovine, canine, cotton rat, equine, feline, mouse, porcine, and rat TNF-alpha. TNF-alpha is produced by a wide variety of immune, epithelial, endothelial, and tumor cells. TNF-alpha is assembled intracellularly to form a noncovalently linked homotrimer which is expressed on the cell surface. Cell surface TNF-alpha can induce the lysis of neighboring tumor cells and virus infected cells, and it can generate its own downstream cell signaling following ligation by soluble TNFR I. Shedding of membrane bound TNF-alpha by TACE/ADAM17 releases the bioactive cytokine, a 55 kDa molecular weight soluble trimer of the TNF-alpha extracellular domain. TNF-alpha binds the ubiquitous 55-60 kDa TNF RI and the hematopoietic cell-restricted 80 kDa TNF RII, both of which are also expressed as homotrimers present on virtually all cell types. Both type I and type II receptors bind TNF-alpha with comparable affinity, although only TNF RI contains a cytoplasmic death domain which triggers the activation of apoptosis. Soluble forms of both types of receptors are released and can neutralize the biological activity of TNF-alpha.

Long Name

Tumor Necrosis Factor alpha

Alternate Names

Cachetin, DIF, TNF, TNF-A, TNFA, TNFalpha, TNFG1F, TNFSF1A, TNFSF2

Entrez Gene IDs

7124 (Human); 21926 (Mouse); 24835 (Rat); 397086 (Porcine); 280943 (Bovine); 403922 (Canine); 102139631 (Cynomolgus Monkey); 100033834 (Equine); 493755 (Feline); 100009088 (Rabbit)

Gene Symbol

TNF

UniProt

P01375

Additional TNF-alpha Products

Product Documents for Human TNF-alpha Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human TNF-alpha Antibody

For research use only

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