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Mouse EGF Quantikine ELISA Kit

R&D Systems, part of Bio-Techne | Catalog # MEG00

R&D Systems, part of Bio-Techne
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MEG00

Key Product Details

Assay Length

4.5 hours

Sample Type & Volume Required Per Well

Cell Culture Supernates (50 µL), Tissue Homogenates (50 µL), Serum (50 µL), EDTA Plasma (50 µL), Heparin Plasma (50 µL), Urine (50 µL)

Sensitivity

1.64 pg/mL

Assay Range

7.8-500 pg/mL (Cell Culture Supernates, Tissue Homogenates, Serum, EDTA Plasma, Heparin Plasma, Urine)

Product Summary for Mouse EGF Quantikine ELISA Kit

The Quantikine Mouse EGF Immunoassay is a 4.5 hour solid-phase ELISA designed to measure mouse EGF in cell culture supernates, tissue homogenates, serum, plasma, and urine. It contains E. coli-expressed recombinant mouse EGF and antibodies raised against the recombinant factor. This immunoassay has been shown to accurately quantitate the recombinant factor. Results obtained using natural mouse EGF showed linear curves that were parallel to the standard curves obtained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring mouse EGF.

Product Specifications

Assay Type

Solid Phase Sandwich ELISA

Format

96-well strip plate

Measurement

Quantitative ELISA

Detection Method

Colorimetric - 450nm (TMB)

Conjugate

HRP

Reactivity

Mouse

Specificity

Natural and recombinant mouse EGF

Cross-reactivity

Cross-reactivity observed with 1 or more available related molecules. < 50% cross-species reactivity observed with species tested.

Interference

No significant interference observed with available related molecules.

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision.

Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision.

Cell Culture Supernates, Tissue Homogenates, Urine

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 27 28 27
Mean (pg/mL) 35.4 78.0 244 28.0 65.3 232
Standard Deviation 3.2 7.4 11.8 2.6 4.6 18.4
CV% 9.0 9.5 4.8 9.3 7.0 7.9

EDTA Plasma, Heparin Plasma, Serum

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 24 25 24
Mean (pg/mL) 34.6 86.6 304 34.7 82.8 299
Standard Deviation 3.4 7.9 14.7 3.2 7.7 28.4
CV% 9.8 9.1 4.8 9.2 9.3 9.5

Recovery for Mouse EGF Quantikine ELISA Kit

The recovery of mouse EGF spiked to three levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Supernates (n=4) 109 101-119
EDTA Plasma (n=4) 97 87-106
Heparin Plasma (n=4) 95 87-105
Serum (n=4) 96 83-107
Tissue Homogenates (n=3) 93 89-101

Linearity

To assess the linearity of the assay, samples spiked with or containing mouse EGF in each matrix were diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay.

Mouse EGF ELISA Linearity

Scientific Data Images for Mouse EGF Quantikine ELISA Kit

Mouse EGF ELISA Cell Culture Supernate/Tissue Homogenate/ Urine Standard Curve

Mouse EGF ELISA Cell Culture Supernate/Tissue Homogenate/ Urine Standard Curve

Mouse EGF ELISA Serum/Plasma Standard Curve

Mouse EGF ELISA Serum/Plasma Standard Curve

Detection of Mouse EGF by ELISA

Detection of Mouse EGF by ELISA

STAT3 alters tumour microenvironment and angiogenesis.(a) IHC analysis of von Willebrand Factor (vWF) and CD31 is shown in consecutive sections of murine lung tumours of the indicated genotype. On right, CD31+ counts per tumour area (mm2) quantification at indicated time points. Data were analysed by Student’s t-test and displayed as mean±s.e.m. n≥5 tumours per mouse with n≥4 mice per genotype and time point. Scale bar, 50 μm. (b) ELISA of VEGFA levels in lung tumour lysates at indicated time points. Data were analysed by Student’s t-test and displayed as mean±s.d., n≥6 mice per genotype and time point. (c) Expression levels of Pdgfa in total lungs were measured by quantitative real-time PCR at indicated time points. Values are presented as fold change of relative mRNA expression compared with Stat3 deltaLep/ deltaLep:Kras+/+ mice. Data were analysed by one-way analysis of variance (ANOVA) with Tukey’s multiple comparison test and are shown as mean± s.d., n≥5 animals/genotype. (d) Flow cytometric analysis of Cd11b+Gr1+ granulocytes and Cd11b+ F4/80+ macrophages in bronchoalveolar lavage (BAL) at 6 and 13 weeks post AdCre. Data were analysed by one-way ANOVA with Tukey’s multiple comparison test and are shown as mean±s.e.m. (e) Flow cytometric analysis of myeloid-derived suppressor cell (MDSC) subsets at 6 and 13 weeks post AdCre. Data were analysed by one-way ANOVA with Tukey’s multiple comparison test and are shown as mean± s.e.m. (f) Ratio of CD4+/CD8+ T-cell counts in BAL are shown. Data were analysed by Kruskal–Wallis test with Dunn’s multiple comparison testing and are shown as mean±s.e.m. Data displayed in d–f are n≥6 mice per genotype and time point, 13-week group represents two independent experiments. (g) Flow cytometric analysis of Cd11b+Gr1+ and Cd11b+ F4/80+ cells of A549 shControl versus A549-shSTAT3 xenograft tumours. Data were analysed by Student’s t-test and are displayed as mean±s.e.m. (n≥8 tumours; ≥4 mice per group). (h) IHC analysis and representative pictures of CD31+ counts per xenograft tumour area (mm2). Scale bar, 100 μm (n=8 tumours/≥4 mice). Data were analysed by Student’s t-test and are shown as mean±s.e.m. For all graphs: *P<0.05; **P<0.01; ***P<0.001. Image collected and cropped by CiteAb from the following publication (https://www.nature.com/articles/ncomms7285), licensed under a CC-BY license. Not internally tested by R&D Systems.

Preparation and Storage

Shipping

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

Stability & Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: EGF

EGF (Epidermal Growth Factor) is expressed as a transmembrane protein that is proteolytically cleaved to generate soluble forms. It signals through EGF R/ErbB1 which heterodimerizes with ErbB2, ErbB3, or ErbB4 and can also associate with PDGF R beta and HGF R/c-MET. During development, EGF regulates thymocyte differentiation, neuroglia production, and adipocyte maturation. In the adult, EGF plays a role in mammary gland lactogenesis, fibroblast mitosis, dissociation of the extracellular matrix, and cell migration.

Long Name

Epidermal Growth Factor

Alternate Names

HOMG4, URG, Urogastrone

Entrez Gene IDs

1950 (Human); 13645 (Mouse); 25313 (Rat)

Gene Symbol

EGF

Additional EGF Products

Product Documents for Mouse EGF Quantikine ELISA Kit

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot number in the search box below.

Note: Certificate of Analysis not available for kit components.

Product Specific Notices for Mouse EGF Quantikine ELISA Kit

For research use only

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⚠ WARNING: This product can expose you to chemicals including N,N-Dimethylforamide, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.