Mouse Pentraxin 3/TSG-14 Biotinylated Antibody Summary
Glu18-Ser381
Accession # P48759
Applications
Mouse Pentraxin 3/TSG-14 Sandwich Immunoassay
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: Pentraxin 3/TSG-14
Pentraxin 3, also known as TSG-14, was initially identified as a TNF-alpha or IL-1 beta inducible gene (1‑3). It belongs to the pentraxin family, which was named originally for the homo-pentameric structure formed by its members (4). The pentraxin family is divided into two subfamilies: the “short” and the “long” pentraxins with approximate molecular weights of 25 kDa and 50 kDa, respectively. TSG-14 is a member of the long pentraxin subfamily, which also includes the Xenopus laevis XL-PXN1, the guinea pig apexin/p50, the rat neuronal pentraxin I (NPI) and NPR, the human neuronal pentraxin II (NPTX2) and the human neuronal activity-related pentraxin (5).
Mature secreted PTX3 contains a pentaxin-like domain at its carboxy-terminus that shares 23 - 28% amino acid (aa) sequence similarity to C-reactive protein (CRP) and serum amyloid P component (SAP), which belong to the short pentraxin subfamily. However, the N-terminal sequence of TSG-14 does not share aa sequence homology with any of the “short” pentaxins (3). Unlike CRP and SAP, which forms pentamers only, TSG-14 forms both pentameric and higher ordered oligomers (5). Similar to CRP and SAP, TSG-14 binds to the complement cascade component C1q (6). However, TSG-14 does not bind to phosphoethanolamine, phosphocholine, or high pyruvate agarose, which are known ligands for CRP and SAP. While CRP and SAP are primarily produced in the liver, TSG-14 expression is strongly up‑regulated by TNF-alpha, IL-1 beta, and bacterial LPS in peripheral fibroblasts, endothelial cells, and macrophages (7). At the amino acid level, human and mouse TSG-14 share 88% aa sequence homology (8). TSG-14 concentration is elevated in the joint fluid of patients with rheumatoid arthritis (RA), indicating that TSG-14 may be a potential mediator of immune response (9). TSG-14 may also function in the regulation of the uptake and clearance of apoptotic cells by dendritic cells (10). An in vivo study showed that TSG-14 transgenic mice are more resistant to sepsis and endotoxemia compared to wild-type during inflammatory injury (11). Increased expression of TSG-14 may enhance the immune response to protect the host from infection.
- Lee, T.H. et al. (1990) Mol. Cell. Biol. 10:1982.
- Breviario, F. et al. (1992) JBC. 267:22190.
- Lee, G.W. et al. (1993) J. Immunol. 150:1804.
- Osmand, A.P. et al. (1977) PNAS, USA 74:739.
- Goodman A.R. et al. (1996) Cytokine & Growth Factor Rev. 7:191.
- Bottazzi, B. et al. (1997) JBC. 272:32817.
- Introna, M. et al. (1996) Blood, 87:1862.
- Altmeyer, A. et al. (1995) J. Biol. Chem. 270:25584.
- Luchetti, M.M. et al. (2000) Clin. Exp. Immunol. 119:196.
- Rovere, P. et al. (2000) Blood 96:4300.
- Dias, A.A.M. et al. (2001) J. Leukocyte Biol. 69:928.
Product Datasheets
Citation for Mouse Pentraxin 3/TSG-14 Biotinylated Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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Role of pentraxin 3 in shaping arthritogenic alphaviral disease: from enhanced viral replication to immunomodulation.
Authors: Foo, Suan-Sin, Chen, Weiqiang, Taylor, Adam, Sheng, Kuo-Chin, Yu, Xing, Teng, Terk-Shi, Reading, Patrick, Blanchard, Helen, Garlanda, Cecilia, Mantovani, Alberto, Ng, Lisa F P, Herrero, Lara J, Mahalingam, Suresh
PLoS Pathog, 2015-02-19;11(2):e1004649.
Species: Mouse
Sample Types: Recombinant Protein
Applications: Binding Assay
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