Human BPI Alexa Fluor™ Plus 680‑conjugated Antibody

R&D Systems | Catalog # FAB74681AFP680

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Key Product Details

Species Reactivity

Human

Applications

Immunohistochemistry, Western Blot, Intracellular Staining by Flow Cytometry

Label

Alexa Fluor Plus 680 (Excitation = 687 nm, Emission = 704 nm)

Antibody Source

Monoclonal Mouse IgG2B Clone # 971526
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Product Specifications

Specificity

Detects human BPI in direct ELISAs.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Applications for Human BPI Alexa Fluor™ Plus 680‑conjugated Antibody

Application
Recommended Usage

Immunohistochemistry

Optimal dilution of this antibody should be experimentally determined.

Intracellular Staining by Flow Cytometry

Optimal dilution of this antibody should be experimentally determined.

Western Blot

Optimal dilution of this antibody should be experimentally determined.

Spectra Viewer

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Advanced Features

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Flow Cytometry

Formulation, Preparation, and Storage

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Protect from light. Do not freeze. 12 months from date of receipt, 2 to 8 °C as supplied

Background: BPI

Bactericidal/Permeability Increasing protein (BPI) is a 55 kDa antibacterial glycoprotein that plays a role in innate immunity (1, 2). It belongs to the lipid transfer protein family that also includes LPS binding protein (LBP), cholesteryl ester transfer protein (CETP), and phospholipid transfer protein (PLTP). Circulating levels of BPI are positively correlated with the levels of cholesterol, LDL cholesterol, and HDL cholesterol (3). Mature human BPI shares approximately 55% amino acid (aa) sequence identity with mouse and rat BPI. It can be seceted as a monomer or as a disulfide‑linked homodimer (4). It consists of a highly basic N‑terminal and a hydrophobic C‑terminal domain (5). Its N‑terminal domain confers the ability of BPI to bind bacterial lipopolysaccharide (LPS) found in the cell walls of Gram negative bacteria and to induce the lysis and phagocytosis of these bacteria (6‑9). It also blocks the endothelial cell response to endotoxin (10). BPI is stored in neutrophil and eosinophil granules for induced secretion during inflammation (11, 12). It is additionally expressed in mucosal epithelia and testis (10, 13). BPI can be retained on the surface of both neutrophils and epithelial cells, presumably by its hydrophobic C‑terminal domain (8, 10). BPI also functions as an anti-angiogenic molecule by inhibiting vascular endothelial cell proliferation and tubule formation (14). Like the antibacterial actions, this function is mediated by the N‑terminal region (15).

References

  1. Schultz, H. and J.P. Weiss (2007) Clin. Chim. Acta 384:12.
  2. Holweg, A. et al. (2011) Biochem. Soc. Trans. 39:1045.
  3. Esteve, E. et al. (2010) Thromb. Haemost. 103:780.
  4. Horwitz, A.H. et al. (1996) Protein Exp. Purif. 8:28.
  5. Gray, P.W. et al. (1989) J. Biol. Chem. 264:9505.
  6. Ooi, C.E. et al. (1987) J. Biol. Chem. 262:14891.
  7. Tobias, P.S. et al. (1997) J. Biol. Chem. 272:18682.
  8. Weersink, A.J. et al. (1993) J. Immunol. 150:253.
  9. Nishimura, H. et al. (2001) Immunology 103:519.
  10. Canny, G. et al. (2002) Proc. Natl. Acad. Sci. 99:3902.
  11. Weiss, J. and I. Olsson (1987) Blood 69:652.
  12. Calafat, J. et al. (1998) Blood 91:4770.
  13. Lennartsson, A. et al. (2005) J. Leukoc. Biol. 77:369.
  14. van der Schaft, D.W.J. et al. (2000) Blood 96:176.
  15. Rauniyar, R.K. et al. (2002) Invest. Ophthalmol. Vis. Sci. 43:503.

Long Name

Bactericidal/Permeability-increasing Protein

Alternate Names

BPIFD1, CAP 57, rBPI

Entrez Gene IDs

671 (Human); 329547 (Mouse); 296321 (Rat)

Gene Symbol

BPI

UniProt

P17213 (Human)

Additional BPI Products

Product Documents for Human BPI Alexa Fluor™ Plus 680‑conjugated Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Human BPI Alexa Fluor™ Plus 680‑conjugated Antibody


This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@thermofisher.com.

For research use only

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Protocols

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