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AB275907

Human COMP ELISA Kit

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Human COMP ELISA Kit is a single-wash 90-min Simplestep used to quantify Human COMP with a sensitivity of 116 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

Cartilage oligomeric matrix protein, COMP, Thrombospondin-5, TSP5

3 Images
Sandwich ELISA - Human COMP ELISA Kit (AB275907)
  • sELISA

Supplier Data

Sandwich ELISA - Human COMP ELISA Kit (AB275907)

Serum from ten individual healthy human male donors was measured in duplicate. Interpolated dilution factor corrected values are plotted (mean +/- SD, n=2).

The mean COMP concentration was determined to be 1.7 μg/mL with a range of 0.7 – 3 μg/mL.

Sandwich ELISA - Human COMP ELISA Kit (AB275907)
  • sELISA

Supplier Data

Sandwich ELISA - Human COMP ELISA Kit (AB275907)

Interpolated concentrations of native COMP in human serum, plasma, and cell culture supernatant samples.

Sandwich ELISA - Human COMP ELISA Kit (AB275907)
  • sELISA

Supplier Data

Sandwich ELISA - Human COMP ELISA Kit (AB275907)

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

Key facts

Detection method

Colorimetric

Sample types

Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma

Reacts with

Human

Assay type

Sandwich

Results type

Quantitative

Sensitivity

= 116 pg/mL

Range

781.25 - 50000 pg/mL

Assay time

1h 30m

Assay Platform

Pre-coated microplate (12 x 8 well strips)

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Reactivity data

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

Human COMP ELISA kit (ab275907) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of Human COMP protein in human serum, plasma, and cell culture supernatants samples. It uses our proprietary SimpleStep ELISA® technology. Quantitate Human COMP with 116 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.

COMP, Cartilage oligomeric matrix protein also known as Thrombospondin-5, is an extracellular matrix protein involved in the stabilization of cartilage. It also serves as a potent cell signaling mediator through its interactions with Caspase-3 and IAP family proteins. Antibodies for this kit were raised against a recombinant C-terminal fragment of this protein. This protein is homologous in mouse and rat, sharing over 90% sequence identity.

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.

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Precision

[ { "reproducibilityType": "Inter", "sample": "Plasma", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "5.4" }, { "reproducibilityType": "Intra", "sample": "Plasma", "replicates": 8, "mean": null, "standardDeviation": null, "coefficientOfVariability": "4.5" } ]
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Recovery

[ { "sample": "Cell culture supernatant", "range": "94 - 115 %", "average": "= 106" }, { "sample": "Serum", "range": "102 - 105 %", "average": "= 104" }, { "sample": "EDTA Plasma", "range": "114 - 118 %", "average": "= 117" }, { "sample": "Citrate plasma", "range": "113 - 116 %", "average": "= 115" } ]
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What's included?

{ "values": { "1x96Tests": { "sellingSize": "1 x 96 Tests", "publicAssetCode":"ab275907-1x96Tests", "assetComponentDetails": [ { "size":"1 x 12 mL", "name":"Stop Solution", "number":"AB275907-CMP06", "productcode":"" }, { "size":"1 x 6 mL", "name":"Antibody Diluent CPR2", "number":"AB275907-CMP14", "productcode":"" }, { "size":"1 x 12 mL", "name":"Sample Diluent NS (ab193972)", "number":"AB275907-CMP13", "productcode":"" }, { "size":"1 x 20 mL", "name":"10X Wash Buffer PT (ab206977)", "number":"AB275907-CMP12", "productcode":"" }, { "size":"1 x 600 mL", "name":"10X Human COMP Capture Antibody", "number":"AB275907-CMP01", "productcode":"" }, { "size":"2 x 1 Vial", "name":"Human COMP Lyophilized Recombinant Protein", "number":"AB275907-CMP08", "productcode":"" }, { "size":"1 x 1 Unit", "name":"Plate Seals", "number":"AB275907-CMP11", "productcode":"" }, { "size":"1 x 12 mL", "name":"TMB Development Solution", "number":"AB275907-CMP07", "productcode":"" }, { "size":"1 x 10 mL", "name":"5X Cell Extraction Buffer PTR (ab193970)", "number":"AB275907-CMP10", "productcode":"" }, { "size":"1 x 600 µL", "name":"10X Human COMP Detector Antibody", "number":"AB275907-CMP02", "productcode":"" }, { "size":"1 x 1 mL", "name":"50X Cell Extraction Enhancer Solution (ab193971)", "number":"AB275907-CMP09", "productcode":"" }, { "size":"1 x 1 Unit", "name":"SimpleStep Pre-Coated 96-Well Microplate (ab206978)", "number":"AB275907-CMP05", "productcode":"" } ] } } }
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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
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Supplementary information

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

The Cartilage Oligomeric Matrix Protein (COMP) also known as oligomeric protein or COMP cartilage protein is a structural component found in the extracellular matrix of cartilage tissues. This matrix protein has a mass of approximately 524 kDa and is predominantly expressed in cartilage particularly hyaline cartilage. COMP forms pentameric structures which make it an important supporting element in the stability and resilience of cartilage. Researchers often use techniques like COMP ELISA to quantify its levels in biological samples.
Biological function summary

COMP interacts with other extracellular matrix components to enhance structural integrity and function of cartilage tissue. It performs significant roles in the organization and maintenance of the matrix tethering fibrillar proteins and supporting cellular interaction. COMP is not typically part of a large complex but works closely with collagens and other matrix proteins to form a robust and flexible extracellular environment.

Pathways

COMP participates in pathways associated with cartilage formation and turnover. It engages in chondrocyte-mediated processes that are vital for endochondral ossification and cartilage repair. Within these pathways it interacts with proteins such as collagen type II and decorin which facilitate the organization and mineralization of cartilage matrix. These interactions highlight the protein's importance in maintaining cartilage architecture and function.

COMP plays a role in chondrodysplasias and osteoarthritis. Mutations in the COMP gene can lead to skeletal disorders like pseudoachondroplasia and multiple epiphyseal dysplasia causing growth and developmental anomalies. In osteoarthritis alterations in COMP levels may serve as an indicator of cartilage degradation. COMP's relationships with proteins like aggrecan and matrilin-3 in these contexts highlight its involvement in pathologies that affect cartilage structure and health.
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Product protocols

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Target data

Plays a role in the structural integrity of cartilage via its interaction with other extracellular matrix proteins such as the collagens and fibronectin. Can mediate the interaction of chondrocytes with the cartilage extracellular matrix through interaction with cell surface integrin receptors (PubMed : 16051604, PubMed : 16542502). Could play a role in the pathogenesis of osteoarthritis (PubMed : 16542502). Potent suppressor of apoptosis in both primary chondrocytes and transformed cells. Suppresses apoptosis by blocking the activation of caspase-3 and by inducing the IAP family of survival proteins (BIRC3, BIRC2, BIRC5 and XIAP) (PubMed : 17993464). Essential for maintaining a vascular smooth muscle cells (VSMCs) contractile/differentiated phenotype under physiological and pathological stimuli. Maintains this phenotype of VSMCs by interacting with ITGA7 (By similarity).
See full target information COMP
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websiteProtocolBooklet
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Product promise

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