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SRP4928

Sigma-Aldrich

Lipocalin-2 human

recombinant, expressed in E. coli, ≥95% (SDS-PAGE), ≥95% (HPLC)

Synonym(s):

25 kDa α-2-microglobulin-related subunit of MMP-9, Lipocalin-2, NGAL, Neutrophil gelatinase-associated lipocalin, Oncogene 24p3, p25

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About This Item

UNSPSC Code:
12352200
NACRES:
NA.32

biological source

human

recombinant

expressed in E. coli

Assay

≥95% (HPLC)
≥95% (SDS-PAGE)

form

lyophilized

mol wt

~20 kDa

packaging

pkg of 50 μg

technique(s)

activity assay: suitable

impurities

endotoxin, tested

NCBI accession no.

shipped in

wet ice

storage temp.

−20°C

Gene Information

human ... LCN2(3934)

General description

Research area: Cell signaling. The gene LCN2 (lipocalin 2) is mapped to human chromosome 9q34. LCN2, a secreted glycoprotein, is an adipokine. It is expressed by many cells, such as respiratory and intestinal epithelial cells, endothelial cells, renal tubular cells, and cardiomyocytes. LCN2 belongs to the lipocalin family. LCN2 consists of the lipid binding domain that binds to small hydrophobic molecules and the ligand binding cavity that binds to bacterial and mammalian proteins called siderophores.

Application

LCN2 (lipocalin 2)-human has been used in the cell proliferation assay.It has also been used in conductometric immunoassay in renal carcinoma cells.

Biochem/physiol Actions

LCN2 (lipocalin 2) potentially connects obesity and its related adipose inflammation. LCN2 has also been implicated in a variety of processes including cell differentiation, tumorigenesis, and apoptosis. It is an early marker of acute kidney injury, cardiovascular diseases, lupus nephritis, and intestinal inflammation. LCN2 is upregulated in humans with heart failure. It can associate with MMP9 (matrix metalloproteinase-9) and controls its stability. Changes in the expression of LCN2 are associated with many cancers, including breast, colorectal, pancreatic, ovarian, gastric, thyroid, ovarian, bladder, and kidney cancers.LCN2 acts as a pleiotropicmolecule and plays a role in several pathophysiological and physiologicalactivities including immune response, inflammation, metabolic homeostasis, andinfection.

Physical form

Lyophilized with no additives.

Reconstitution

Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.
Reconstitute in water to a concentration 0.1-1 mg/mL. The solution can then be further diluted to other aqueous solutions.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Biao Wang et al.
Shock (Augusta, Ga.), 44(3), 234-238 (2015-05-27)
This study examines the clinical utility of increased neutrophil gelatinase-associated lipocalin (NGAL) as an indicator of mortality and multiple organ dysfunction syndrome (MODS) in severe sepsis and septic shock. We designed a prospective cohort study in an intensive care unit
The pancreatic expression database: recent extensions and updates.
Dayem Ullah AZ
Nucleic Acids Research, 42, D944-D949 (2014)
A bimetallic PtPd hybrid nanostructure-amplified enzyme-free conductometric immunoassay for lipocalin-2 in renal cell carcinoma on an interdigitated micro-comb electrode.
Huang C, et al.
Analytical Methods, 12(15), 1988-1994 (2020)
Epigenetic induction of epithelial to mesenchymal transition by LCN2 mediates metastasis and tumorigenesis, which is abrogated by NF-?B inhibitor BRM270 in a xenograft model of lung adenocarcinoma.
International Journal of Oncology, 48, 84-98 (2016)
Increased adipose tissue expression of lipocalin-2 in obesity is related to inflammation and matrix metalloproteinase-2 and metalloproteinase-9 activities in humans.
Catalan V
Journal of Molecular Medicine, 87, 803-813 (2009)

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