Invitrogen™ CD357 (AITR/GITR) Monoclonal Antibody (DTA-1), eFluor™ 450, eBioscience™, Invitrogen™

Catalog No.	Quantity
50-163-78	100 μg

Catalog No. 50-163-78 Supplier Invitrogen™ Supplier No. 48587482

Description

Rat Monoclonal Antibody

Description: The DTA-1 monoclonal antibody reacts with mouse GITR, Glucocorticoid-Induced TNFR family gene, also known as TNFRSF18. In naive mice, GITR is expressed predominantly by CD4+CD25+ T regulatory cells (Treg) and by CD25+ CD4+ CD8- thymocytes. Stimulation of GITR with DTA-1 antibody abrogates Treg cell-mediated suppression. Although it does not deplete CD357 expressing cells in vivo, it has been shown to induce tumorogenesis. The removal of GITR-expressing Treg cells or the administration of DTA-1 resulted in organ specific autoimmune disease. Applications Reported: This DTA-1 antibody has been reported for use in flow cytometric analysis. Applications Tested: This DTA-1 antibody has been tested by flow cytometric analysis of mouse splenocytes. This can be used at less than or equal to 0.06 μg per test. A test is defined as the amount (μg) of antibody that will stain a cell sample in a final volume of 100 μL. Cell number should be determined empirically but can range from 10^5 to 10^8 cells/test. It is recommended that the antibody be carefully titrated for optimal performance in the assay of interest. eFluor™ 450 is an alternative to Pacific Blue™. eFluor™ 450 emits at 445 nm and is excited with the Violet laser (405 nm). Please make sure that your instrument is capable of detecting this fluorochome. Excitation: 405 nm; Emission: 445 nm; Laser: Violet Laser. Filtration: 0.2 μm post-manufacturing filtered.

Tumor necrosis factor receptor superfamily member 18 (TNFRSF18), also called GITR or AITR is a protein that in humans is encoded by the TNFRSF18 gene. It is mapped to 1p36.33. This gene encodes a member of the TNF-receptor superfamily. The encoded receptor has been shown to have increased expression upon T-cell activation, and it is thought to play a key role in dominant immunological self-tolerance maintained by CD25 (+)CD4 (+) regulatory T cells. Knockout studies in mice also suggest the role of this receptor is in the regulation of CD3-driven T-cell activation and programmed cell death. Three alternatively spliced transcript variants of this gene encoding distinct isoforms have been reported.

Specifications

• Antigen: CD357 (AITR/GITR)
• Applications: Flow Cytometry
• Classification: Monoclonal
• Clone: DTA-1
• Concentration: 0.2 mg/mL
• Conjugate: eFluor 450
• Formulation: PBS with 0.09% sodium azide; pH 7.2
• Gene: Tnfrsf18
• Gene Accession No.: O35714
• Gene Alias: Activation-inducible TNFR family receptor; AITR; CD357; GITR; GITR-D; glucocorticoid-induced TNFR-related protein; PRO364; TNF receptor superfamily activation-inducible protein; TNF receptor superfamily member 18; TNFRSF18; Tumor necrosis factor receptor superfamily member 18; tumor necrosis factor receptor superfamily, member 18; UNQ319; UNQ319/PRO364
• Gene Symbols: Tnfrsf18
• Host Species: Rat
• Purification Method: Affinity chromatography
• Quantity: 100 μg
• Regulatory Status: RUO
• Primary or Secondary: Primary
• Gene ID (Entrez): 21936
• Target Species: Mouse
• Content And Storage: 4°C, store in dark, DO NOT FREEZE!
• Product Type: Antibody
• Form: Liquid
• Isotype: IgG2b κ

Frequently Asked Questions (FAQs)

I am unable to analyze my cells stained with eFluor Organic Dyes today. What options do I have?

Our options will depend on the samples you are analyzing.

If cell viability is not critical, you can store your stained samples at 4 degrees C or on ice overnight in the dark and analyze the following day.

For samples stained with eFluor organic fluorochromes, we recommend that cells be suspended in 100 uL of Flow Cytometry Staining Buffer (Cat. No. 00-4222) and 100 uL of eBioscience IC Fixation Buffer (Cat. No. 00-8222); samples can be incubated for up to 3 days at 4 degrees C in the dark. Alternatively, the 1-step Fix/Lyse Solution (Cat. No. 00-5333) can be used. This is a great option when working with whole blood but also works for other cell types.

Can the eFluor Organic fluorochromes be used for intracellular staining?

Yes, the eFluor Organic fluorochromes can be used for intracellular staining. The eFluor organic fluorochromes maintain bright signal and require minimal changes in compensation when fixed with eBioscience IC Fixation Buffer (Cat. No. 00-8222-49) and Permeabilization Buffer (Cat. No. 00-8333-56) or 1-step Fix/Lyse Solution (Cat. No. 00-5333-54, 00-5333-57) (as compared to live cells).

What is the difference between eFluor Organic Dyes and eVolve Qdots?

The eFluor Organic Dyes (eFluor 450, APC-eFluor 780, PerCP-eFluor 710, eFluor 710) are conventional fluorochromes. In contrast, the eVolve line of products are Quantum dots.

Are the eFluor Organic Dyes photo-labile?

As with other fluorochromes, we recommend minimal exposure to light to maintain optimal signal.

For Research Use Only.