Human SPARC Quantikine ELISA Kit Summary
Product Summary
Precision
Cell Culture Supernates, Serum, Platelet-poor EDTA Plasma, Platelet-poor Heparin Plasma, Human Milk
Intra-Assay Precision | Inter-Assay Precision | |||||
---|---|---|---|---|---|---|
Sample | 1 | 2 | 3 | 1 | 2 | 3 |
n | 20 | 20 | 20 | 20 | 20 | 20 |
Mean (ng/mL) | 7.34 | 14.3 | 29.9 | 6.65 | 13.5 | 28.3 |
Standard Deviation | 0.129 | 0.282 | 0.733 | 0.541 | 0.989 | 2.4 |
CV% | 1.8 | 2 | 2.5 | 8.1 | 7.3 | 8.5 |
Recovery
The recovery of SPARC spiked to levels throughout the range of the assay in various matrices was evaluated.
Sample Type | Average % Recovery | Range % |
---|---|---|
Cell Culture Media (n=4) | 102 | 86-111 |
Platelet-poor EDTA Plasma (n=4) | 104 | 93-111 |
Platelet-poor Heparin Plasma (n=4) | 91 | 82-100 |
Linearity
Scientific Data
Product Datasheets
Preparation and Storage
Background: SPARC
SPARC, also known as Osteonectin and Basement Membrane protein BM-40, is a phosphorylated glycoprotein with calcium-binding domains. It is secreted by endothelial cells and is present in large amounts in the parietal endoderm of mouse embryos and in human placenta. SPARC may be involved in cell proliferation, repair of tissue damage, and morphogenic processes such as re-modeling of the extracellular matrix.
Assay Procedure
Refer to the product- Prepare all reagents, standard dilutions, and samples as directed in the product insert.
- Remove excess microplate strips from the plate frame, return them to the foil pouch containing the desiccant pack, and reseal.
- Add 100 µL of Assay Diluent to each well.
- Add 100 µL of Standard, control, or sample to each well. Cover with a plate sealer, and incubate at room temperature for 3 hours on a horizontal orbital microplate shaker.
- Aspirate each well and wash, repeating the process 5 times for a total of 6 washes.
- Add 200 µL of cold Conjugate to each well. Cover with a new plate sealer, and incubate at 2-8 °C for 1 hour on the benchtop.
- Aspirate and wash 6 times.
- Add 200 µL Substrate Solution to each well. Incubate at room temperature for 30 minutes on the benchtop. PROTECT FROM LIGHT.
- 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 SPARC 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.
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Citations: Showing 1 - 10
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Coordinated reprogramming of renal cancer transcriptome, metabolome and secretome associates with immune tumor infiltration
Authors: P Poplawski, S Alseekh, U Jankowska, B Skupien-Ra, R Iwanicka-N, H Kossowska, A Fogtman, B Rybicka, J Bogus?awsk, A Adamiok-Os, K Hanusek, J Hanusek, M Koblowska, AR Fernie, A Piekie?ko-
Cancer Cell International, 2023-01-05;23(1):2.
Species: Human
Sample Types: Cell Culture Supernates
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Plasma Protein Biomarkers Associated with Higher Ovarian Cancer Risk in BRCA1/2 Carriers
Authors: HS Ahn, JY Ho, J Yu, J Yeom, S Lee, SY Hur, Y Jung, K Kim, YJ Choi
Cancers, 2021-05-11;13(10):.
Species: Human
Sample Types: Plasma
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Fibronectin mediates activation of stromal fibroblasts by SPARC in endometrial cancer cells
Authors: S Yoshida, K Asanoma, H Yagi, I Onoyama, E Hori, Y Matsumura, K Okugawa, H Yahata, K Kato
BMC Cancer, 2021-02-12;21(1):156.
Species: Human
Sample Types: Cell Culture Supernates
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Lowered Decorin With Aberrant Extracellular Matrix Remodeling in Aqueous Humor and Tenon's Tissue From Primary Glaucoma Patients
Authors: S NikhalaShr, G Karthikkey, R George, B Shantha, L Vijaya, V Ratra, KN Sulochana, K Coral
Invest. Ophthalmol. Vis. Sci., 2019-11-01;60(14):4661-4669.
Species: Human
Sample Types: Aqueous Humor
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Secreted protein acidic and rich in cysteine mediates active targeting of human serum albumin in U87MG xenograft mouse models
Authors: CR Park, JH Jo, MG Song, JY Park, YH Kim, H Youn, SH Paek, JK Chung, JM Jeong, YS Lee, KW Kang
Theranostics, 2019-10-11;9(24):7447-7457.
Species: Human
Sample Types: Cell Culture Supernates
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Impact of Fibroblast-Derived SPARC on Invasiveness of Colorectal Cancer Cells
Authors: D Drev, F Harpain, A Beer, A Stift, ES Gruber, M Klimpfinge, S Thalhammer, A Reti, L Kenner, M Bergmann, B Marian
Cancers (Basel), 2019-09-24;11(10):.
Species: Human
Sample Types: Cell Culture Supernates
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SPARC expression is associated with hepatic injury in rodents and humans with non-alcoholic fatty liver disease
Authors: G Mazzolini, C Atorrasaga, A Onorato, E Peixoto, M Schlattjan, JP Sowa, S Sydor, G Gerken, A Canbay
Sci Rep, 2018-01-15;8(1):725.
Species: Human
Sample Types: Serum
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In-depth proteomic analysis of tissue interstitial fluid for hepatocellular carcinoma serum biomarker discovery
Authors: J Zhang, N Hao, W Liu, M Lu, L Sun, N Chen, M Wu, X Zhao, B Xing, W Sun, F He
Br. J. Cancer, 2017-10-12;117(11):1676-1684.
Species: Human
Sample Types: Serum
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SPARC Expression Did Not Predict Efficacy of nab-Paclitaxel plus Gemcitabine or Gemcitabine Alone for Metastatic Pancreatic Cancer in an Exploratory Analysis of the Phase III MPACT Trial.
Authors: Hidalgo M, Plaza C, Musteanu M, Illei P, Brachmann C, Heise C, Pierce D, Lopez-Casas P, Menendez C, Tabernero J, Romano A, Wei X, Lopez-Rios F, Von Hoff D
Clin Cancer Res, 2015-07-13;21(21):4811-8.
Species: Human
Sample Types: Plasma
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SPARC expression in CML is associated to imatinib treatment and to inhibition of leukemia cell proliferation.
Authors: Giallongo C, La Cava P, Tibullo D, Barbagallo I, Parrinello N, Cupri A, Stagno F, Consoli C, Chiarenza A, Palumbo G, Di Raimondo F
BMC Cancer, 2013-02-05;13(0):60.
Species: Human
Sample Types: Serum
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