Human GDF-15 Quantikine QuicKit ELISA Summary
Sample Type & Volume Required Per Well
Cell Culture Supernates (50 uL), Serum (25 uL), EDTA Plasma (25 uL), Heparin Plasma (25 uL), Urine (10 uL)
Assay Range
23.4 - 1,500 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Urine)
Specificity
Recognizes natural and recombinant human GDF-15
Cross-reactivity
< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
Interference
No significant interference observed with available related molecules.
Product Summary
The Quantikine™ QuicKit™ Human GDF-15 Immunoassay is a one step, 80-minute solid phase ELISA designed to measure human GDF-15 levels in cell culture supernates, serum, plasma, and urine. It contains CHO cell-expressed recombinant human GDF-15 and antibodies raised against the recombinant protein. Results obtained using natural human GDF-15 showed linear curves that were parallel to the standard curves obtained using the QuicKit standards. These results indicate that this kit can be used to determine relative mass values for natural human GDF-15.
Precision
Intra-Assay Precision (Precision within an assay) Two samples of known concentration were tested twenty times on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Two samples of known concentration were tested in ten separate assays to assess inter-assay precision. Assays were performed by at least three technicians
Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Urine
|
Intra-Assay Precision |
Inter-Assay Precision |
| Sample |
1 |
2 |
1 |
2 |
| n |
20 |
20 |
10 |
10 |
| Mean (pg/mL) |
156 |
882 |
165 |
925 |
| Standard Deviation |
6.12 |
58.8 |
9.49 |
77.6 |
| CV% |
3.9 |
6.7 |
5.7 |
8.4 |
Recovery
The recovery of human GDF-15 spiked to three levels in samples throughout the range of the assay was evaluated.
| Sample Type |
Average % Recovery |
Range % |
| Cell Culture Media (n=4) |
101 |
92-113 |
| EDTA Plasma (n=2) |
74 |
66-83 |
| Heparin Plasma (n=2) |
77 |
66-93 |
| Serum (n=2) |
77 |
66-84 |
| Urine (n=2) |
104 |
94-116 |
Linearity
To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human GDF-15 were diluted with calibrator diluent to produce samples with values within the dynamic range of the assay.
Scientific Data
Human GDF-15 Standard Curve
Product Datasheets
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Preparation and Storage
Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.
Background: GDF-15
Growth/differentiation factors (GDF-1 to GDF-15) are members of the BMP family of TGF-beta superfamily proteins. They are produced as inactive preproproteins which are then cleaved and assembled into active secreted homodimers. GDF dimers are disulfide-linked with the exception of GDF-3 and -9. GDF proteins are important during embryonic development, particularly in the skeletal, nervous, and muscular systems.
Long Name:
Growth Differentiation Factor 15
Entrez Gene IDs:
9518 (Human); 23886 (Mouse); 29455 (Rat)
Alternate Names:
GDF15; GDF-15; growth differentiation factor 15; growth/differentiation factor 15; Macrophage inhibitory cytokine 1; MIC-1; MIC-1NSAID-activated gene 1 protein; MIC1Prostate differentiation factor; NAG-1; NAG-1NSAID-regulated gene 1 protein; NSAID (nonsteroidal inflammatory drug)-activated protein 1; PDF; PDFGDF-15; PLAB; PLABNRG-1; Placental bone morphogenetic protein; Placental TGF-beta; PTGF-beta; PTGFBPTGF-beta
