Human Serpin E1/PAI‑1 Biotinylated Antibody Summary
Accession # P05121
Human Serpin E1/PAI-1 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.
Detection of Human Serpin E1/PAI‑1 by Western Blot. Western blot shows lysates of HUVEC human umbilical vein endothelial cells. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human Serpin E1/PAI-1 Biotinylated Antigen Affinity-purified Polyclonal Antibody (Catalog # BAF1786) followed by Streptavidin-HRP (Catalog # DY998) in 3% BSA. A specific band was detected for Serpin E1/PAI-1 at approximately 48 kDa (as indicated). This experiment was conducted under reducing conditions.
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: Serpin E1/PAI-1
As a member of the Serpin superfamily of serine protease inhibitors, Serpin E1/PAI-1 is the principal inhibitor of urokinase-type plasminogen activator (uPA) and tissue-type PA (1, 2). As important regulators of extracellular matrix remodeling, uPA and PAI-1 play a major role in many processes such as angiogenesis, tumor invasion and obesity (2-4). For example, uPA and PAI-1 are the only tumor prognostic factors validated at the highest level of evidence with regard to their clinical utility in breast cancer (5). The human PAI-1 is initially synthesized as 402 amino acid precursor with a N-terminal signal peptide (6, 7). PAI-1 may exist in one of two possible conformations, designated as active or latent (8). The purified recombinant human (rh) PAI-1 is active against rhuPA. The heterogeneity at the N-terminus of the purified rhPAI-1 has been observed before for both the recombinant and native proteins (9).
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- Stefansson, S. et al. (2003) Curr. Pharm. Des. 9:1545.
- Duffy, M.J. (2002) Clin. Chem. 48:1194.
- Juhan-Vague, I. et al. (2003) J. Thromb. Haemost. 1:1575.
- Harbeck, N. et al. (2002) Clin. Breast Cancer 3:196.
- Pannekoek, H. et al. (1986) EMBO J. 5:2539.
- Ginsburg, D. et al. (1986) J. Clin. Invest. 78:1673.
- Wang, Z. et al. (1996) Biochemistry 35:16443.
- Stromqvist, M. et al. (1994) Protein Expr. Purif. 5:309.
Citation for Human Serpin E1/PAI‑1 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
A multiplex immunoassay for human adipokine profiling.
Authors: Schipper HS, De Jager W, van Dijk ME, Meerding J, Zelissen PM, Adan RA, Prakken BJ, Kalkhoven E
Clin. Chem., 2010;56(0):1320.
Sample Types: Cell Culture Supernates
Applications: Luminex Development
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