Code | CSB-E13539h |
Size | 96T,5×96T,10×96T |
Price | Request a Quote |
Trial Size |
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Intra-assay Precision (Precision within an assay): CV%<8% | ||||||
Three samples of known concentration were tested twenty times on one plate to assess. | ||||||
Inter-assay Precision (Precision between assays): CV%<10% | ||||||
Three samples of known concentration were tested in twenty assays to assess. |
To assess the linearity of the assay, samples were spiked with high concentrations of human sRANK in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay. | ||||||
| Sample | Serum(n=4) | ||||
1:1 | Average % | 90 | ||||
Range % | 86-94 | |||||
1:2 | Average % | 101 | ||||
Range % | 94-104 | |||||
1:4 | Average % | 91 | ||||
Range % | 85-94 | |||||
1:8 | Average % | 95 | ||||
Range % | 90-98 |
The recovery of human sRANK spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section. | ||||||
Sample Type | Average % Recovery | Range | ||||
Serum (n=5) | 90 | 84-94 | ||||
EDTA plasma (n=4) | 95 | 89-98 |
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ng/ml | OD1 | OD2 | Average | Corrected | ||
20 | 1.981 | 2.012 | 1.997 | 1.898 | ||
10 | 1.523 | 1.514 | 1.519 | 1.420 | ||
5 | 0.886 | 0.867 | 0.877 | 0.778 | ||
2.5 | 0.425 | 0.445 | 0.435 | 0.336 | ||
1.25 | 0.290 | 0.303 | 0.297 | 0.198 | ||
0.625 | 0.215 | 0.222 | 0.219 | 0.120 | ||
0.312 | 0.154 | 0.157 | 0.156 | 0.057 | ||
0 | 0.100 | 0.098 | 0.099 |
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The product CSB-E13539h is a sandwich ELISA kit developed to measure levels of human soluble receptor activator of nuclear factor-kB (sRANK) in serum, plasma, or tissue homogenates. The enzyme-substrate chromogenic reaction is also used to amplify the signal and quantify the levels of the analyte through the intensity of the colored product. The color intensity positively correlates with the amount of sRANK bound in the initial step.
RANK (CD265), encoded by the gene TNFRSF11A, is constitutively expressed in osteoclasts and dendritic cells (DCs). RANK binds to its ligand RANKL, transducing a variety of survival, proliferation, differentiation, and migration signals. These signals eventually exhibit multiple effects ranging from bone physiology, mammary gland formation, lymph node development, initiation, progression, and metastasis of breast cancer, and immune modulation. Increasing evidence has proven the value of targeting the RANKL/RANK/OPG axis not only in breast cancer but also as an addition to the cancer immunotherapy arsenal.
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