Human Pentraxin 3 (PTX3) ELISA Kit

Pentraxin-related protein PTX3 also known as TNF-inducible gene 14 protein (TSG-14) is a protein that in humans is encoded by the PTX3 gene.Pentraxin 3 (ptx3) is a member of the pentraxin superfamily. This super family characterized by cyclic multimeric structure. PTX3 is rapidly produced and released by several cell types, in particular by mononuclear phagocytes, dendritic cells (DCs), fibroblasts and endothelial cells in response to primary inflammatory signals [e.g., toll-like receptor (TLR) engagement, TNFα, IL-1β]. PTX3 binds with high affinity to the complement component C1q, the extracellular matrix component TNFα induced protein 6 (TNFAIP6; also called TNF-stimulated gene 6, TSG-6) and selected microorganisms, including Aspergillus fumigatus and Pseudomonas aeruginosa PTX3 activates the classical pathway of complement activation and facilitates pathogen recognition by macrophages and DCs.

PTX3; TNFAIP5; TSG-14; pentaxin-related gene; rapidly induced by IL-1 beta; tumor necrosis factor; alpha-induced protein 5; pentaxin-related protein PTX3; pentraxin 3; pentraxin-3; tumor necrosis factor; alph

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Human Pentraxin 3 (PTX3) ELISA Kit has high sensitivity and excellent specificity for detection of Human PTX3. No significant cross-reactivity or interference between Human PTX3 and analogues was observed.

This Human Pentraxin 3 (PTX3) ELISA Kit employs a two-site sandwich ELISA to quantitate PTX3 in samples. An antibody specific for PTX3 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyPTX3 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for PTX3 is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of PTX3 bound in the initial step. The color development is stopped and the intensity of the color is measured.

PTX3; TNFAIP5; TSG-14; pentaxin-related gene; rapidly induced by IL-1 beta; tumor necrosis factor; alpha-induced protein 5; pentaxin-related protein PTX3; pentraxin 3; pentraxin-3; tumor necrosis factor; alph

• Do not mix components from different kit lots or use reagents beyond the kit expiration date.• Allow all reagents to warm to room temperature for at least 30 minutes before opening.• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.• It is recommended that all samples and standards be assayed in duplicate or triplicate.