Key Product Details

Species Reactivity

Validated:

Rat

Cited:

Human, Mouse, Rat, Transgenic Mouse

Applications

Validated:

Western Blot, ELISA Capture (Matched Antibody Pair), Immunoprecipitation

Cited:

Immunohistochemistry, Immunohistochemistry-Frozen, Western Blot, ELISA Detection, ELISA Development

Label

Unconjugated

Antibody Source

Polyclonal Goat IgG
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Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant rat Lipocalin-2/NGAL
Gln21-Asn198
Accession # P30152

Specificity

Detects rat Lipocalin-2/NGAL in ELISAs and detects rat and mouse Lipocalin-2/NGAL in Western blots. In sandwich ELISAs, less than 0.4% cross-reactivity with recombinant mouse (rm) Lipocalin-2/NGAL-2 is observed and less than 0.2% cross-reactivity with recombinant human (rh) Lipocalin-1/NGAL-1, rhLipocalin-2/NGAL-2 is observed.

Clonality

Polyclonal

Host

Goat

Isotype

IgG

Scientific Data Images for Rat Lipocalin‑2/NGAL Antibody

Detection of Mouse and Rat Lipocalin‑2/NGAL antibody by Western Blot.

Detection of Mouse and Rat Lipocalin‑2/NGAL by Western Blot.

Western blot shows lysates of rat ovary tissue and mouse lung tissue. PVDF membrane was probed with 1 µg/mL of Mouse/Rat Lipocalin-2/NGAL Antigen Affinity-purified Polyclonal Antibody (Catalog # AF3508) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for Lipocalin-2/NGAL at approximately 25 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Detection of Mouse Lipocalin-2/NGAL by Western Blot

Detection of Mouse Lipocalin-2/NGAL by Western Blot

Visualization of expression of selected proteins by Western blot analysis. Protein extracts were prepared from livers of WT and Lcn2-/- mice that were subjected to indicated diets for 4 or 6 weeks (n=3 animals/group). Antibodies used are mentioned in the Section 2. GAPDH was used as the loading control. Image collected and cropped by CiteAb from the following publication (https://pubmed.ncbi.nlm.nih.gov/28725667), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry-Paraffin

Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry-Paraffin

Increased LCN2 expression in Esr1-deficient ovaries. Ovaries from wild-type (WT, n = 8) and Esr1 null mice (n = 6) were dissected and either embedded in paraffin or prepared for RNA analysis. (A) Hematoxylin and eosin (H & E) staining showed characteristic histological changes in Esr1-deficient compared to WT ovaries. (B) Immunohistochemical staining for LCN2 and ER alpha was performed. Sections were counterstained with hematoxylin (LCN2) or methyl green (ER alpha ). Magnifications: 100×, 400×; scale bars: 100 µm, 50 µm. (C) Tissue samples were subjected to immunofluorescence double staining for LCN2 and STAR. Magnifications: 100×; scale bars: 100 µm. (D) Lcn2 and Star expression was analyzed in ovarian tissues using RT-qPCR. Data are displayed as means ± SD. In case of normal distribution, Student’s t-tests were chosen for statistical analysis, otherwise a Mann–Whitney test was performed. Significant differences between groups are marked with asterisks: *** p < 0.001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry

Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry

Increased LCN2 expression in Esr1-deficient ovaries. Ovaries from wild-type (WT, n = 8) and Esr1 null mice (n = 6) were dissected and either embedded in paraffin or prepared for RNA analysis. (A) Hematoxylin and eosin (H & E) staining showed characteristic histological changes in Esr1-deficient compared to WT ovaries. (B) Immunohistochemical staining for LCN2 and ER alpha was performed. Sections were counterstained with hematoxylin (LCN2) or methyl green (ER alpha ). Magnifications: 100×, 400×; scale bars: 100 µm, 50 µm. (C) Tissue samples were subjected to immunofluorescence double staining for LCN2 and STAR. Magnifications: 100×; scale bars: 100 µm. (D) Lcn2 and Star expression was analyzed in ovarian tissues using RT-qPCR. Data are displayed as means ± SD. In case of normal distribution, Student’s t-tests were chosen for statistical analysis, otherwise a Mann–Whitney test was performed. Significant differences between groups are marked with asterisks: *** p < 0.001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Western Blot

Detection of Mouse Lipocalin-2/NGAL by Western Blot

LCN2 and ER alpha expression in the lung and kidney. Tissues from wild-type (WT, female: n = 9, male: n = 8) and Esr1 knockout (female: n = 6, male: n = 8) mice were either embedded in paraffin for immunostaining or processed for protein analysis. Immunohistochemistry staining was performed to localize LCN2 expression in (A) lung and (C) kidney tissue. Isotope-specific negative control IgG staining was performed to document antibody specificity. Magnifications: 100×; scale bar: 100 µm. LCN2 and ER alpha protein expression was analyzed in (B) lung and (D) kidney tissues by Western blot analysis in WT and Esr1 null mice. The expression of GAPDH (lungs) and vinculin (kidneys) was used to demonstrate equal protein loading. Unspecific bands are marked with asterisks (*) and are separated from specific bands by dashed lines. Protein expression of LCN2 was quantified densitometrically and plotted relative to the expression of the loading control. Mann–Whitney test (lungs) or Student’s t-tests (kidney) was used for statistical analysis. Significant differences between groups are indicated with asterisks: * p < 0.05. Data are displayed as means ± SD and non-significant results are marked with ns. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Western Blot

Detection of Mouse Lipocalin-2/NGAL by Western Blot

LCN2 and ER alpha expression in the lung and kidney. Tissues from wild-type (WT, female: n = 9, male: n = 8) and Esr1 knockout (female: n = 6, male: n = 8) mice were either embedded in paraffin for immunostaining or processed for protein analysis. Immunohistochemistry staining was performed to localize LCN2 expression in (A) lung and (C) kidney tissue. Isotope-specific negative control IgG staining was performed to document antibody specificity. Magnifications: 100×; scale bar: 100 µm. LCN2 and ER alpha protein expression was analyzed in (B) lung and (D) kidney tissues by Western blot analysis in WT and Esr1 null mice. The expression of GAPDH (lungs) and vinculin (kidneys) was used to demonstrate equal protein loading. Unspecific bands are marked with asterisks (*) and are separated from specific bands by dashed lines. Protein expression of LCN2 was quantified densitometrically and plotted relative to the expression of the loading control. Mann–Whitney test (lungs) or Student’s t-tests (kidney) was used for statistical analysis. Significant differences between groups are indicated with asterisks: * p < 0.05. Data are displayed as means ± SD and non-significant results are marked with ns. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry

Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry

Increased LCN2 expression in Esr1-deficient ovaries. Ovaries from wild-type (WT, n = 8) and Esr1 null mice (n = 6) were dissected and either embedded in paraffin or prepared for RNA analysis. (A) Hematoxylin and eosin (H & E) staining showed characteristic histological changes in Esr1-deficient compared to WT ovaries. (B) Immunohistochemical staining for LCN2 and ER alpha was performed. Sections were counterstained with hematoxylin (LCN2) or methyl green (ER alpha ). Magnifications: 100×, 400×; scale bars: 100 µm, 50 µm. (C) Tissue samples were subjected to immunofluorescence double staining for LCN2 and STAR. Magnifications: 100×; scale bars: 100 µm. (D) Lcn2 and Star expression was analyzed in ovarian tissues using RT-qPCR. Data are displayed as means ± SD. In case of normal distribution, Student’s t-tests were chosen for statistical analysis, otherwise a Mann–Whitney test was performed. Significant differences between groups are marked with asterisks: *** p < 0.001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.
Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry-Paraffin

Detection of Mouse Lipocalin-2/NGAL by Immunohistochemistry-Paraffin

Increased LCN2 expression in Esr1-deficient ovaries. Ovaries from wild-type (WT, n = 8) and Esr1 null mice (n = 6) were dissected and either embedded in paraffin or prepared for RNA analysis. (A) Hematoxylin and eosin (H & E) staining showed characteristic histological changes in Esr1-deficient compared to WT ovaries. (B) Immunohistochemical staining for LCN2 and ER alpha was performed. Sections were counterstained with hematoxylin (LCN2) or methyl green (ER alpha ). Magnifications: 100×, 400×; scale bars: 100 µm, 50 µm. (C) Tissue samples were subjected to immunofluorescence double staining for LCN2 and STAR. Magnifications: 100×; scale bars: 100 µm. (D) Lcn2 and Star expression was analyzed in ovarian tissues using RT-qPCR. Data are displayed as means ± SD. In case of normal distribution, Student’s t-tests were chosen for statistical analysis, otherwise a Mann–Whitney test was performed. Significant differences between groups are marked with asterisks: *** p < 0.001. Image collected and cropped by CiteAb from the following open publication (https://pubmed.ncbi.nlm.nih.gov/37298232), licensed under a CC-BY license. Not internally tested by R&D Systems.

Applications for Rat Lipocalin‑2/NGAL Antibody

Application
Recommended Usage

Immunoprecipitation

25 µg/mL
Sample: Conditioned cell culture medium spiked with Recombinant Rat Lipocalin‑2/NGAL (Catalog # 3508-LC), see our available Western blot detection antibodies

Western Blot

1 µg/mL
Sample: Rat ovary tissue and mouse lung tissue

Rat Lipocalin-2 Sandwich Immunoassay

ELISA Capture (Matched Antibody Pair)
Recommended Concentration: 0.2-0.8 µg/mL
Use in combination with these reagents:
  • Detection Reagent: Rat Lipocalin‑2/NGAL Biotinylated Antibody (Catalog # BAF3508)
  • Standard: Recombinant Rat Lipocalin-2/NGAL Protein, CF (Catalog # 3508-LC)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Reviewed Applications

Read 1 review rated 5 using AF3508 in the following applications:

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.


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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Lipocalin-2/NGAL

Lipocalin-2, also known as neutrophil gelatinase-associated Lipocalin and uterocalin (NGAL), has been implicated in a variety of processes including cell differentiation, tumorigenesis, and apoptosis (1‑3). It binds a bacterial catecholate sidropore bound to ferric ion such as enterobactin with a subnanomolar dissociation constant (K= 0.41 nM) (4). The bound ferric enterobactin complex breaks down slowly in a month into dihydroxybenzoyl serine and dihydroxybenzoic acid (DHBA). It also binds to a ferric DHBA complex with much less KD values (7.9 nM) (4). Secretion of Lipocalin-2 in immune cells increases by stimulation of Toll-like receptor as a acute phase response to infection. As a result, it acts as a potent bacteriostatic reagents by sequestering iron (5). Moreover, Lipocalin-2 can alter the invasive and metastatic behavior of Ras-transformed breast cancer cells in vitro and in vivo by reversing epithelial to mesenchymal transition inducing activity of Ras, through restoration of E-cadherin expression, via effects on the Ras-MAPK signaling pathway (6). In the kidney, Lipocalin-2-mediated iron trafficking may be involved in protection from renal injury, and it has been implicated as a marker for early kidney failure (7, 8).

References

  1. Kjeldsen L, et al. (2000) Biochim Biophys Acta. 1482:272.
  2. Devireddy, L.R. et al. (2001) Science 293:829.
  3. Yang, M.B. et al. (2002) Mol. Cell. 10:1045.
  4. Goetz, D.H. et al. (2002) Mol. Cell 10:1033.
  5. Flo, T.H. et al. (2004) Nature 432:917.
  6. Hanai, J. et al. (2005) J. Biol. Chem. 280:13641.
  7. Mori, K. et al. (2005) J. Clin. Invest. 115:610.
  8. Mishra, J. et al. (2005) Lancet 365:1231.

Long Name

Neutrophil Gelatinase-associated Lipocalin

Alternate Names

24p3, LCN2, Lipocalin2, MSFI, NGAL, Oncogene 24p3, p25, Siderocalin, Uterocalin

Entrez Gene IDs

3934 (Human); 16819 (Mouse); 170496 (Rat); 102137149 (Cynomolgus Monkey)

Gene Symbol

LCN2

UniProt

Additional Lipocalin-2/NGAL Products

Product Documents for Rat Lipocalin‑2/NGAL Antibody

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Rat Lipocalin‑2/NGAL Antibody

For research use only

Citations for Rat Lipocalin‑2/NGAL Antibody

Customer Reviews for Rat Lipocalin‑2/NGAL Antibody (1)

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  • Name: Anonymous
    Application: Western Blot
    Sample Tested: See PMID 21457438
    Species: Rat
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