Q: I have synovial fluid sample and I want to work on Western bloting can you support me,how can I prepare this sample for WB technique for assay comp(cartilage oligomatrix protein )?

A: We currently sell four antibodies to cartilage oligomeric matrix protein (COMP), all of which are validated for Western blotting. Although we have generated Western blot data using samples from human, bovine and rabbit cartilage, we do not have any testing data derived from synovial fluid samples. You may however find the following publication useful, in which the authors sampled synovial fluid from patients with rheumatoid arthritis and prepared this fluid for Western blot detection of the proteins SP-A and SP-D: PMC 2080374

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Bovine COMP/Thrombospondin-5 ELISA Kit (Colorimetric)

Novus Biologicals | Catalog # NBP3-54914

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Product Documents

Product Specifications
Precision
Kit Contents
Preparation & Storage
Background
Product Documents
Specific Notices
Research Areas

Key Product Details

Sample Type & Volume Required Per Well

Serum, plasma, tissue homogenates, cell lysates, cell culture supernatants and other biological fluids (100 uL)

Sensitivity

0.120 ng/mL (example only; lot dependent)

Assay Range

0.312 - 20 ng/mL (example only; lot dependent)

View all COMP/Thrombospondin-5 ELISA Kits »

Product Specifications

Assay Type

Sandwich ELISA

Kit Type

ELISA Kit (Colorimetric)

Species

Bovine

Description

Assay Length: 4.5 hours

Precision

Intra-Assay Precision (Precision within an assay) %CV 10 (example only; lot dependent)

Inter-Assay Precision (Precision between assays) %CV 12 (example only; lot dependent)

Kit Contents for Bovine COMP/Thrombospondin-5 ELISA Kit (Colorimetric)

Pre-coated 96T strip plate, Plate sealer for 96 wells, Standard, Diluent Buffer, Detection Reagent A, Detection Reagent B, TMB Substrate, Stop Solution, Wash Buffer (30 x concentrate), Instruction manual

Preparation and Storage

Stability & Storage

Storage of components varies. See protocol for specific instructions.

Background: COMP/Thrombospondin-5

COMP is a noncollagenous extracellular matrix (ECM) protein. It consists of five identical glycoprotein subunits, each with EGF like and calcium binding (thrombospondin like) domains. Oligomerization results from formation of a five stranded coiled coil and disulfides. Binding to other ECM proteins such as collagen appears to depend on divalent cations. Mutations can cause the osteochondrodysplasias pseudochondroplasia (PSACH) and multiple epiphyseal dysplasia (MED)

Long Name

Cartilage Oligomeric Matrix Protein

Alternate Names

EDM1, EPD1, MED, PSACH, Thrombospondin-5, Thrombospondin5

Gene Symbol

COMP

Additional COMP/Thrombospondin-5 Products

Product Documents for Bovine COMP/Thrombospondin-5 ELISA Kit (Colorimetric)

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Certificate of Analysis

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

Product Specific Notices for Bovine COMP/Thrombospondin-5 ELISA Kit (Colorimetric)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

Related Research Areas

Extracellular Matrix Molecules

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