Human Neuropilin-1 Quantikine ELISA Kit

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DNRP10
Human Neuropilin-1 ELISA Standard Curve
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Product Details
Procedure
Citations (3)
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Human Neuropilin-1 Quantikine ELISA Kit Summary

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Assay Length
4.5 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (50 uL), Cell Lysates (13 uL), Serum (10 uL), EDTA Plasma (10 uL), Heparin Plasma (10 uL), Urine (50 uL), Human Milk (10 uL)
Sensitivity
9.33 pg/mL
Assay Range
78.1 - 5,000 pg/mL (Cell Culture Supernates, Cell Lysates, Serum, EDTA Plasma, Heparin Plasma, Urine, Human Milk)
Specificity
Natural and recombinant human Neuropilin-1.
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 Human Neuropilin-1 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human Neuropilin-1 in cell culture supernates, cell lysates, serum, plasma, urine, and human milk. It contains NS0-expressed recombinant human Neuropilin-1 and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human Neuropilin-1 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 human Neuropilin-1.

Precision

Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in twenty separate assays to assess inter-assay precision. Assays were performed by at least three technicians using two lots of components

Cell Culture Supernates, Cell Lysates, Serum, EDTA Plasma, Heparin Plasma, Urine, Human Milk

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 20 20 20
Mean (pg/mL) 336 967 1890 329 934 1833
Standard Deviation 17.9 70.4 54.7 19.8 48.4 90.4
CV% 5.3 7.3 2.9 6 5.2 4.9

Recovery

The recovery of human Neuropilin-1 spiked to levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 91 86-99
Cell Lysates (n=3) 101 94-108
Urine (n=4) 99 85-117

Linearity

To assess the linearity of the assay, samples containing and/or spiked with high concentrations of human Neuropilin-1 were diluted with Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Human Neuropilin-1 ELISA Linearity

Scientific Data

Human Neuropilin-1 ELISA Standard Curve

Product Datasheets

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Preparation and Storage

Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: Neuropilin-1

Neuropilin-1 (Npn-1, previously known as neuropilin) and Neuropilin-2 (previously known as Npn-1-related molecule) are type I transmembrane proteins that bind distinct members of the class III secreted semaphorin subfamily that are implicated in repulsive axon guidance. Neuropilin extracellular domains contain two CUB (complement-binding) domains, two domains with homology to coagulation factors V and VIII, and a MAM (meprin) domain. In the absence of ligands, neuropilins can form homo- and hetero-oligomers via their MAM domains. Expression in developing neurons of the central and peripheral nervous systems is somewhat overlapping but distinct. Npn-1 and Npn-2 are also receptors for VEGF165 on endothelial and tumor cells.

Entrez Gene IDs:
8829 (Human); 18186 (Mouse); 246331 (Rat); 100286859 (Porcine)
Alternate Names:
BDCA4; BDCA-4; CD304 antigen; CD304; DKFZp686A03134; DKFZp781F1414; neuropilin 1; Neuropilin1; Neuropilin-1; NP1; NRP; NRP1; transmembrane receptor; Vascular endothelial cell growth factor 165 receptor; VEGF165R
&#9888; 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.

Assay Procedure

Refer to the product for complete assay procedure.

Bring all reagents and samples to room temperature before use. It is recommended that all samples, standards, and controls be assayed in duplicate.
  1.   Prepare all reagents, standard dilutions, and samples as directed in the product insert.
  2.   Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.

  3. 50 µL Assay Diluent
  4.   Add 50 µL of Assay Diluent to each well.

  5. 50 µL Standard, Control, or Sample
  6.   Add 50 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 2 hours on a horizontal orbital microplate shaker.
  7.   Aspirate each well and wash, repeating the process 3 times for a total of 4 washes.

  8. 200 µL Conjugate
  9.   Add 200 µL of Conjugate to each well. Cover with a new plate sealer, and incubate at room temperature for 2 hours on the shaker.
  10.   Aspirate and wash 4 times.

  11. 200 µL Substrate Solution
  12.   Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes on the benchtop. PROTECT FROM LIGHT.

  13. 50 µL Stop Solution
  14.   Add 50 µL of Stop Solution to each well. Read at 450 nm within 30 minutes. Set wavelength correction to 540 nm or 570 nm.

Citations for Human Neuropilin-1 Quantikine ELISA Kit

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. Serum Concentration of Selected Angiogenesis-Related Molecules Differs among Molecular Subtypes, Body Mass Index and Menopausal Status in Breast Cancer Patients
    Authors: D Balalis, D Tsakogiann, E Kalogera, S Kokkali, E Tripodaki, A Ardavanis, D Manatakis, D Dimas, N Koufopoulo, F Fostira, D Korkolis, I Misitzis, N Vassos, C Spiliopoul, D Vlachodimi, G Bletsa, N Arkadopoul
    Oncogene, 2022-07-14;11(14):.
    Species: Human
    Sample Types: Serum
  2. ANGPTL4 influences the therapeutic response of neovascular age-related macular degeneration patients by promoting choroidal neovascularization
    Authors: Y Qin, A Dinabandhu, X Cao, JC Sanchez, K Jee, M Rodrigues, C Guo, J Zhang, J Vancel, D Menon, NS Khan, T Ma, SY Tzeng, YJ Daoud, JJ Green, GL Semenza, S Montaner, A Sodhi
    JCI Insight, 2022-07-08;0(0):.
    Species: Human
    Sample Types: Aqueous Humor
  3. Neovascularization Potential of Blood Outgrowth Endothelial Cells From Patients With Stable Ischemic Heart Failure Is Preserved
    Authors: D Dauwe, B Pelacho, A Wibowo, AS Walravens, K Verdonck, H Gillijns, E Caluwe, P Pokreisz, N van Gastel, G Carmeliet, M Depypere, F Maes, N Vanden Dri, W Droogne, J Van Cleemp, J Vanhaecke, F Prosper, C Verfaillie, A Luttun, S Janssens
    J Am Heart Assoc, 2016-04-18;5(4):.
    Species: Human
    Sample Types: Cell Culture Supernates

FAQs

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Human Neuropilin-1 Quantikine ELISA Kit
By Anonymous on 11/03/2023
Sample Tested: EDTA Plasma,Urine

Measured plasma at 200-fold dilution ad measured urine undiluted. We were able to obtain values in range in both biofluids.