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Multiplex Assay Kit for Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay)
FRP1; FRP; FRP-1; FrzA; SARP2; Secreted apoptosis-related protein 2
(Note: Up to 8-plex in one testing reaction)
- Product No.LMF880Mu
- Organism SpeciesMus musculus (Mouse) Same name, Different species.
- Sample Typeserum, plasma, tissue homogenates and other biological fluids
- Test MethodDouble-antibody Sandwich
- Assay Length3.5h
- Detection Range1.95-2000pg/mL
- SensitivityThe minimum detectable dose of this kit is typically less than 0.65 pg/mL.
- DownloadInstruction Manual
- UOM 8Plex 7Plex 6Plex 5Plex 4Plex 3Plex 2Plex1Plex
- FOB
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Result
For more details, please contact local distributors!
Specificity
This assay has high sensitivity and excellent specificity for detection of Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay).
No significant cross-reactivity or interference between Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) and analogues was observed.
Recovery
Matrices listed below were spiked with certain level of recombinant Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) and the recovery rates were calculated by comparing the measured value to the expected amount of Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) in samples.
| Matrix | Recovery range (%) | Average(%) |
| serum(n=5) | 90-99 | 94 |
| EDTA plasma(n=5) | 85-93 | 89 |
| heparin plasma(n=5) | 99-105 | 102 |
| sodium citrate plasma(n=5) | 94-104 | 97 |
Precision
Intra-assay Precision (Precision within an assay): 3 samples with low, middle and high level Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested 20 times on one plate, respectively.
Inter-assay Precision (Precision between assays): 3 samples with low, middle and high level Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) were tested on 3 different plates, 8 replicates in each plate.
CV(%) = SD/meanX100
Intra-Assay: CV<10%
Inter-Assay: CV<12%
Linearity
The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Secreted Frizzled Related Protein 1 (SFRP1) ,etc. by FLIA (Flow Luminescence Immunoassay) and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
| Sample | 1:2 | 1:4 | 1:8 | 1:16 |
| serum(n=5) | 81-99% | 79-96% | 85-99% | 91-101% |
| EDTA plasma(n=5) | 89-96% | 78-103% | 92-103% | 92-103% |
| heparin plasma(n=5) | 92-99% | 88-102% | 80-93% | 98-105% |
| sodium citrate plasma(n=5) | 89-103% | 81-94% | 86-94% | 93-105% |
Stability
The stability of kit is determined by the loss rate of activity. The loss rate of this kit is less than 5% within the expiration date under appropriate storage condition.
To minimize extra influence on the performance, operation procedures and lab conditions, especially room temperature, air humidity, incubator temperature should be strictly controlled. It is also strongly suggested that the whole assay is performed by the same operator from the beginning to the end.
Reagents and materials provided
| Reagents | Quantity | Reagents | Quantity |
| 96-well plate | 1 | Plate sealer for 96 wells | 4 |
| Pre-Mixed Standard | 2 | Standard Diluent | 1×20mL |
| Pre-Mixed Magnetic beads (22#:SFRP1) | 1 | Analysis buffer | 1×20mL |
| Pre-Mixed Detection Reagent A | 1×120μL | Assay Diluent A | 1×12mL |
| Detection Reagent B (PE-SA) | 1×120μL | Assay Diluent B | 1×12mL |
| Sheath Fluid | 1×10mL | Wash Buffer (30 × concentrate) | 1×20mL |
| Instruction manual | 1 |
Assay procedure summary
1. Preparation of standards, reagents and samples before the experiment;
2. Add 100μL standard or sample to each well,
add 10μL magnetic beads, and incubate 90min at 37°C on shaker;
3. Remove liquid on magnetic frame, add 100μL prepared Detection Reagent A. Incubate 60min at 37°C on shaker;
4. Wash plate on magnetic frame for three times;
5. Add 100μL prepared Detection Reagent B, and incubate 30 min at 37°C on shaker;
6. Wash plate on magnetic frame for three times;
7. Add 100μL sheath solution, swirl for 2 minutes, read on the machine.
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| Exp Cell Res | Wnt Inhibition is Dysregulated in Gliomas and its Re-Establishment Inhibits Proliferation and Tumor Sphere Formation PubMed: 26712519 |
| BMC Musculoskeletal Disorders | Correlation of blood bone turnover biomarkers and Wnt signaling antagonists with AS, DISH,OPLL, and OYL. pubmed:28153008 |
| PloS one | Effects of exercise training on circulating levels of Dickkpof-1 and secreted frizzled-related protein-1 in breast cancer survivors: A pilot single-blind randomized controlled trial. pubmed:28178355 |
| PLoS One | Effects of exercise training on circulating levels of Dickkpof-1 and secreted frizzled-related protein-1 in breast cancer survivors: A pilot single-blind randomized controlled trial 10.1371 |
| Journal of Experimental & Clinical Cancer Research | PHF21B overexpression promotes cancer stem cell-like traits in prostate cancer cells by activating the Wnt/β-catenin signaling pathway pubmed:28645312 |
| JBMR Plus | Low serum levels of DKK2 predict incident low‐impact fracture in older women Doi: 10.1002/jbm4.10179 |
| Nature Communications | Immunological history governs human stem cell memory CD4 heterogeneity via the Wnt signaling pathway Pubmed: 32041953 |
| acta pharmacologica sinica | sFRP1 protects H9c2 cardiac myoblasts from doxorubicin-induced apoptosis by inhibiting the Wnt/PCP-JNK pathway Pubmed: 32238888 |