NGAL

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Recombinant Human NGAL

Neutrophil Gelatinase-Associated Lipocalin (NGAL) is also known as lipocalin-2, 24 kDa alpha-2-microglobin-related subunit of MMP-9 and siderocalin. NGAL is a 198 amino acid 25 kDa secreted protein which possesses a lipid binding domain which enables it to bind small hydrophobic ligand molecules such as bacterial siderophores (Bauvois & Susin 2018, Abella et al. 2015). As well as the 25 kDa form, NGAL can exist as a 46 kDa homodimer and a 130 kDa heterodimer with MMP-9. The interaction with MMP-9 occurs in the extracellular space upon secretion of both proteins. It is through this interaction that MMP-9 proteolytic activity can be inhibited (Chakraborty et al. 2012).

NGAL is expressed in various cell types including adipocytes, hepatocytes, pneumocytes, splenocytes, mesangial and microglial cells. NGAL has also been observed circulating at low levels in urine and blood of healthy subjects (40-109 ng/ml) . However it is overexpressed during various inflammatory, metabolic, neurologic and cancer pathologies. The higher levels of NGAL expression in these diseases have been correlated with disease severity and poor prognosis (Bauvois & Susin 2018, Chakraborty et al. 2012).

This recombinant Human NGAL can be used to create a standard curve in a sandwich ELISA with purified Mouse anti Human NGAL antibody, clone D11-6D10 (MCA6198GA) as a capture antibody and biotinylated Mouse anti Human NGAL antibody, clone D02-7D4 (MCA6199B) as the detection antibody.

Target Species
Human
Product Form
Purified recombinant protein - lyophilized
Reconstitution
Centrifuge vial prior to reconstitution. Reconstitute to 100 µg/ml by adding 100 μl ddH2O.
Care should be taken during reconstitution as the protein may appear as a film at the bottom of the vial. Bio-Rad recommend that the vial is gently mixed after reconstitution. Do not vortex.
Preparation
Recombinant protein expressed in E. coli and purified by ion exchange chromatography
Buffer Solution
50 mM Tris-HCl, pH8.0, 0.15 M NaCl
Preservative Stabilisers
1.0% Trehalose
Purity
≥90 % determined by coomassie blue staining of a reducing SDS-PAGE gel
Approx. Protein Concentrations
100 μg/ml after reconstitution
Protein Molecular Weight
22.2 kDa
ELISA Matched Pair(s)
ELISA Matched Pair-Capture Antibody: MCA6198GA ELISA Matched Pair-Detection Antibody: MCA6199B
Regulatory
For research purposes only
Guarantee
Guaranteed for 3 months from the date of reconstitution or until the date of expiry, whichever comes first. Please see label for expiry date.

Prior to reconstitution store at -70oC. Following reconstitution store at -80oC.

This product should be stored undiluted.

Storage in frost-free freezers is not recommended. Avoid repeated freezing and thawing as this may denature the protein. Should this product contain a precipitate we recommend microcentrifugation before use.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
ELISA
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using appropriate negative/positive controls.

Description Product Code Applications Pack Size List Price Your Price Quantity
Mouse anti Human NGAL MCA6198GA E 0.1 mg loader
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loader
Description Mouse anti Human NGAL
Mouse anti Human NGAL:Biotin MCA6199B E 0.1 mg loader
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Description Mouse anti Human NGAL:Biotin

Synonyms
Lipocalin-2
UniProt
P80188
Entrez Gene
LCN2
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Please Note: All Products are "FOR RESEARCH PURPOSES ONLY"

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