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anti-PTX3 antibody product blog

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Posted on 2017-04-10 15:51:59 by mybiosource_staff
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Tags: Antibody; PTX3; Monoclonal Antibody; anti-PTX3 antibody;
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The PTX3 ptx3 (Catalog #MBS584756) is an Antibody produced from Rat and is intended for research purposes only. The product is available for immediate purchase. The PTX3, Human, mAb MNB1, Functional Study Antibody, Low Endotoxin reacts with Human and may cross-react with other species as described in the data sheet. MyBioSource\'s PTX3 can be used in a range of immunoassay formats including, but not limited to, Immunohistochemistry (IHC) Formalin/Paraffin, Functional Studies (FS), Immuno Assay (IA), Immunoprecipitation (IP), Western Blot (WB).
The typical starting working dilution is 1:50. Researchers should empirically determine the suitability of the PTX3 ptx3 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process.

The PTX3 ptx3 product has the following accession number(s) (GI #167900484) (NCBI Accession #NP_002843.2) (Uniprot Accession #P26022). Researchers may be interested in using Bioinformatics databases such as those available at The National Center for Biotechnology Information (NCBI) website for more information about accession numbers and the proteins they represent. Even researchers unfamiliar with bioinformatics databases will find the NCBI databases to be quite user friendly and useful.

To buy or view more detailed product information and pricing, please click on the technical datasheet page below:


The monoclonal antibody MNB1 (previously known as clone 16B5) recognizes human pentraxin 3 (PTX3), belonging to the long pentraxin family. PTX3 is an acute-phase glycoprotein of ~45 kDa with glycosylation accounting for about 10% of its molecular weight. PTX3 has a complex oligomeric structure with protomers linked to each other by disulfide bonds. PTX3 expression is triggered by inflammatory cytokines, resulting in higher levels of circulating PTX3. Several cell types have been reported to produce PTX3, namely macrophages, endothelial cells, neutrophils and synoviocytes. PTX3 is involved in host defense against pathogen infection, in the regulation of the scavenger activity of macrophages and dendritic cells, and in modulation of complement activity by binding to C1q. Furthermore, PTX3 has been implicated in matrix deposition of cumulus cells. Moreover, PTX3 interacts with other biologically active molecules, causing their functional blockade. This has been demonstrated for fibroblast growth factor-2 (FGF-2), for which PTX3 acts as an inhibitor, leading to inhibition of angiogenesis. PTX3, like other pentraxins C-reactive protein (CRP) and serum amyloid P component (SAP), binds apoptotic cells and debris. PTX3 is useful as an early indicator of myocyte irreversible injury in ischemic cardiomyopathy. PTX3 is not only involved in inflammatory vessel diseases related to atherosclerosis, but also in pre-eclampsia and systemic small vessel ANCA-associated vasulitis, in which neutrophils are key players. The relationship between tissue damage and pentraxin generation is stringent in acute injuries. PTX3 tunes self-non-self discrimination and tissue repair due to the recognition of diverse ligands by PTX3 and through regulation of effector pathways.

PTX3 ptx3

Immunogen: Human recombinant PTX3. In general, we may offer more than one antibody to a given target to enable options for the researcher. Available antibodies recognizing PTX3 are readily searchable from our website. Different antibodies against the same target such as PTX3 may be optimized or tested for different applications and species. This enables researchers to select the option that may be best for their model system, to screen more than antibody to determine which one may be best for their model system, as well as to use more than one antibody to follow up on and validate their results.
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