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AB229892

Human CD137 ELISA Kit

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Human CD137 ELISA Kit is a single-wash 90-min Simplestep used to quantify Human CD137 with a sensitivity of 8.2 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.

- Colorimetric Sandwich ELISA - 450 nm readout : works on any standard plate reader
- Design your own immunoassay: we also offer the conjugation-ready antibody pair

View Alternative Names

CD137, ILA, TNFRSF9, Tumor necrosis factor receptor superfamily member 9, 4-1BB ligand receptor, CDw137, T-cell antigen 4-1BB homolog, T-cell antigen ILA

5 Images
Sandwich ELISA - Human CD137 ELISA Kit (AB229892)
  • sELISA

Unknown

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)

Interpolated concentrations of spiked CD137 in human cell culture supernatant sample.

The concentrations of CD137 were measured in duplicates, interpolated from the CD137 standard curves and corrected for sample dilution. Undiluted samples are as follows : cell culture supernatant 50%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)
  • sELISA

Unknown

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)

Interpolated concentrations of native CD137 in human stimulated THP-1 cell extract.

Extract based on 500 μg/mL extract load. The concentrations of CD137 were measured in duplicate and interpolated from the CD137 standard curve and corrected for sample dilution. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean CD137 concentration was determined to be 537 pg/mL in Stimulated THP-1 cell extract, and undetectable in unstimulated THP-1 cell extract.

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)
  • sELISA

Unknown

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)

Interpolated concentrations of spiked CD137 in human serum and plasma samples.

The concentrations of CD137 were measured in duplicates, interpolated from the CD137 standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 50%, plasma (citrate) 25%, plasma (heparin) 50% and plasma (EDTA) 50%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)
  • sELISA

Unknown

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)

Example of human CD137 standard curve in Sample Diluent NS.

Background-subtracted data values (mean +/- SD) are graphed.

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)
  • sELISA

Unknown

Sandwich ELISA - Human CD137 ELISA Kit (AB229892)

Example of human CD137 standard curve in 1X Cell Extraction Buffer PTR.

Background-subtracted data values (mean +/- SD) are graphed.

Key facts

Detection method

Colorimetric

Sample types

Cell culture extracts, Heparin Plasma, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma

Reacts with

Human

Assay type

Sandwich (quantitative)

Sensitivity

= 8.2 pg/mL

Range

46.9 - 3000 pg/mL

Assay time

1h 30m

Assay Platform

Pre-coated microplate (12 x 8 well strips)

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Product details

Human CD137 ELISA Kit (ab229892) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of CD137 protein in cell culture extracts, cell culture supernatant, cit plasma, edta plasma, hep plasma, and serum. It uses our proprietary SimpleStep ELISA® technology. Quantitate Human CD137 with 8.2 pg/ml sensitivity.

SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:

- Single-wash protocol reduces assay time to 90 minutes or less
- High sensitivity, specificity and reproducibility from superior antibodies
- Fully validated in biological samples
- 96-wells plate breakable into 12 x 8 wells strips

A 384-well SimpleStep ELISA® microplate (ab203359) is available to use as an alternative to the 96-well microplate provided with SimpleStep ELISA® kits.

REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.

Precision

[ { "reproducibilityType": "Inter", "sample": "Serum", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "2.8" }, { "reproducibilityType": "Intra", "sample": "Serum", "replicates": 5, "mean": null, "standardDeviation": null, "coefficientOfVariability": "2.4" } ]

Recovery

[ { "sample": "Serum", "range": "87 - 89 %", "average": "= 88" }, { "sample": "EDTA Plasma", "range": "82 - 85 %", "average": "= 84" }, { "sample": "Cell culture extracts", "range": "99 - 104 %", "average": "= 100" }, { "sample": "Heparin Plasma", "range": "80 - 82 %", "average": "= 81" }, { "sample": "Citrate plasma", "range": "86 - 92 %", "average": "= 90" }, { "sample": "Cell culture media", "range": "98 - 107 %", "average": "= 104" } ]

What's included?

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Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
+4°C
Storage information
+4°C

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

CD137 also known as 4-1BB or TNFRSF9 is a protein that functions as a costimulatory receptor in the immune system. It belongs to the tumor necrosis factor receptor (TNFR) superfamily. CD137 has a mass of approximately 30 kDa. Expression of CD137 occurs mainly on activated T lymphocytes including both CD8+ and CD4+ T cells as well as natural killer (NK) cells dendritic cells and monocytes. The CD137 ligand (CD137L) is the counterpart that engages this receptor transmitting signals important for immune response regulation.
Biological function summary

CD137 plays an important role in T cell activation and survival. It is a member of a receptor-ligand system that enhances immune cell functions. CD137 is part of a receptor complex that when bound by its ligand CD137L promotes cell proliferation and cytokine production. It also supports the development of memory T cells contributing to the body's ability to mount long-term immune responses.

Pathways

CD137 takes part in the NF-kB signaling and MAPK pathways. These pathways are vital for regulating immune responses and inflammation. CD137 signaling through these pathways involves interaction with proteins such as TRAF1 and TRAF2 which help mediate downstream effects critical for cell survival and proliferation. These interactions enhance the body's defense against pathogens and tumors.

CD137 is associated with cancer immunotherapy and autoimmune diseases. In cancer CD137 enhances the anti-tumor activity of immune cells making it a target for immunotherapy strategies. For autoimmune diseases abnormal CD137 expression can lead to excessive immune responses contributing to disease pathogenesis. The protein is also connected to TNF-alpha through its involvement in inflammation suggesting potential intervention points for modulating immune response in related diseases.

Product protocols

Target data

Receptor for TNFSF9/4-1BBL. Conveys a signal that enhances CD8(+) T-cell survival, cytotoxicity, and mitochondrial activity, thereby promoting immunity against viruses and tumors (Probable).
See full target information TNFRSF9
websiteProtocolBooklet
en

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