Human IGF-I/IGF-1 DuoSet ELISA Summary
* Provided that the recommended microplates, buffers, diluents, substrates and solutions are used, and the assay is run as summarized in the Assay Procedure provided.
This DuoSet ELISA Development kit contains the basic components required for the development of sandwich ELISAs to measure natural and recombinant human IGF-I. The suggested diluent is suitable for the analysis of most cell culture supernate samples. Diluents for complex matrices, such as serum and plasma, should be evaluated prior to use in this DuoSet.
Product Features
- Optimized capture and detection antibody pairings with recommended concentrations save lengthy development time
- Development protocols are provided to guide further assay optimization
- Assay can be customized to your specific needs
- Economical alternative to complete kits
Kit Content
- Capture Antibody
- Detection Antibody
- Recombinant Standard
- Streptavidin conjugated to horseradish-peroxidase (Streptavidin-HRP)
Other Reagents Required
DuoSet Ancillary Reagent Kit 3 (5 plates): (Catalog # DY009) containing 96 well microplates, plate sealers, substrate solution, stop solution, plate coating buffer (PBS), wash buffer, and Reagent Diluent Concentrate 3.
The components listed above may be purchased separately:
PBS: (Catalog # DY006), or 137 mM NaCl, 2.7 mM KCl, 8.1 mM Na2HPO4, 1.5 mM KH2PO4, pH 7.2 - 7.4, 0.2 µm filtered
Wash Buffer: (Catalog # WA126), or 0.05% Tween® 20 in PBS, pH 7.2-7.4
Reagent Diluent: (Catalog # DY004), or 5% Tween 20 in PBS, 7.2-7.4, 0.2 μm filtered
Substrate Solution: 1:1 mixture of Color Reagent A (H2O2) and Color Reagent B (Tetramethylbenzidine) (Catalog # DY999)
Stop Solution: 2 N H2SO4 (Catalog # DY994)
Microplates: R&D Systems (Catalog # DY990)
Plate Sealers: ELISA Plate Sealers (Catalog # DY992)
Scientific Data
Product Datasheets
Preparation and Storage
Background: IGF-I/IGF-1
Insulin-like growth factor 1 (IGF-1, also known as somatomedin C) is a 7.6 kDa, 70 amino acid (aa) polypeptide with three internal disulfide bonds. The sequence of human IGF-1 is identical to that of bovine and porcine IGF-1, and is 70% identical to human IGF2. IGF-1 is a single-chain molecule with about 50% identity to the sequences of the A- and B-chains of human insulin.
Assay Procedure
GENERAL ELISA PROTOCOL
Plate Preparation
- Dilute the Capture Antibody to the working concentration in PBS without carrier protein. Immediately coat a 96-well microplate with 100 μL per well of the diluted Capture Antibody. Seal the plate and incubate overnight at room temperature.
- Aspirate each well and wash with Wash Buffer, repeating the process two times for a total of three washes. Wash by filling each well with Wash Buffer (400 μL) using a squirt bottle, manifold dispenser, or autowasher. Complete removal of liquid at each step is essential for good performance. After the last wash, remove any remaining Wash Buffer by aspirating or by inverting the plate and blotting it against clean paper towels.
- Block plates by adding 300 μL of Reagent Diluent to each well. Incubate at room temperature for a minimum of 1 hour.
- Repeat the aspiration/wash as in step 2. The plates are now ready for sample addition.
Assay Procedure
- Add 100 μL of sample or standards in Reagent Diluent, or an appropriate diluent, per well. Cover with an adhesive strip and incubate 2 hours at room temperature.
- Repeat the aspiration/wash as in step 2 of Plate Preparation.
- Add 100 μL of the Detection Antibody, diluted in Reagent Diluent, to each well. Cover with a new adhesive strip and incubate 2 hours at room temperature.
- Repeat the aspiration/wash as in step 2 of Plate Preparation.
- Add 100 μL of the working dilution of Streptavidin-HRP to each well. Cover the plate and incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
- Repeat the aspiration/wash as in step 2.
- Add 100 μL of Substrate Solution to each well. Incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
- Add 50 μL of Stop Solution to each well. Gently tap the plate to ensure thorough mixing.
- Determine the optical density of each well immediately, using a microplate reader set to 450 nm. If wavelength correction is available, set to 540 nm or 570 nm. If wavelength correction is not available, subtract readings at 540 nm or 570 nm from the readings at 450 nm. This subtraction will correct for optical imperfections in the plate. Readings made directly at 450 nm without correction may be higher and less accurate.
Citations for Human IGF-I/IGF-1 DuoSet ELISA
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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Omental preadipocytes stimulate matrix remodeling and IGF signaling to support ovarian cancer metastasis
Authors: Waters, JA;Robinson, M;Lujano-Olazaba, O;Lucht, C;Gilbert, SF;House, CD;
Cancer research
Species: Human
Sample Types: Cell Culture Supernates
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Circulating Adipocytokines and Insulin Like-Growth Factors and Their Modulation in Obesity-Associated Endometrial Cancer
Authors: Ray, I;Möller-Levet, CS;Michael, A;Butler-Manuel, S;Chatterjee, J;Tailor, A;Ellis, PE;Meira, LB;
Cancers
Species: Human
Sample Types: Plasma
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Berberine-Encapsulated Poly(lactic-co-glycolic acid)-Hydroxyapatite (PLGA/HA) Microspheres Synergistically Promote Bone Regeneration with DOPA-IGF-1 via the IGF-1R/PI3K/AKT/mTOR Pathway
Authors: Chen, L;Tian, M;Yang, J;Wu, Z;
International journal of molecular sciences
Species: Rat
Sample Types: Cell Culture Supernates
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Hypoxia Preconditioned Serum (HPS) Promotes Proliferation and Chondrogenic Phenotype of Chondrocytes In Vitro
Authors: Jiang, J;Altammar, J;Cong, X;Ramsauer, L;Steinbacher, V;Dornseifer, U;Schilling, AF;Machens, HG;Moog, P;
International journal of molecular sciences
Species: Human
Sample Types: Serum
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Combined resistance and aerobic training improves lung function and mechanics and fibrotic biomarkers in overweight and obese women
Authors: A Silva-Reis, MA Rodrigues, R Moraes-Fer, TG Gonçalves-, VH Souza-Palm, HC Aquino-San, ALL Bachi, LVF de Oliveir, RÁB Lopes-Mart, I Oliveira-S, R Albertini, CR Frison, RP Vieira
Frontiers in Physiology, 2022-09-07;13(0):946402.
Species: Human
Sample Types: Plasma
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Pro-cancerogenic effects of spontaneous and drug-induced senescence of ovarian cancer cells in vitro and in vivo: a comparative analysis
Authors: S Rutecki, P Szulc, M Paku?a, P Uruski, A Radziemski, E Naumowicz, R Moszy?ski, A Tykarski, J Miku?a-Pie, K Ksi??ek
Journal of ovarian research, 2022-07-26;15(1):87.
Species: Human
Sample Types: Cell Culture Supernates
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Evaluation in a Cytokine Storm Model In Vivo of the Safety and Efficacy of Intravenous Administration of PRS CK STORM (Standardized Conditioned Medium Obtained by Coculture of Monocytes and Mesenchymal Stromal Cells)
Authors: JP Lapuente, G Gómez, J Marco-Brua, P Fernández, P Desportes, J Sanz, M García-Gil, F Bermejo, JV San Martín, A Algaba, JC De Gregori, D Lapuente, A De Gregori, B Lapuente, S Gómez, MLV Andrés, A Anel
Biomedicines, 2022-05-08;10(5):.
Species: Human
Sample Types: Cell Culture Supernates
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Cytokine Profile and Anti-Inflammatory Activity of a Standardized Conditioned Medium Obtained by Coculture of Monocytes and Mesenchymal Stromal Cells (PRS CK STORM)
Authors: JP Lapuente, A Blázquez-M, J Marco-Brua, G Gómez, P Desportes, J Sanz, P Fernández, M García-Gil, F Bermejo, JV San Martín, A Algaba, JC De Gregori, D Lapuente, A De Gregori, B Lapuente, MV Andrés, A Anel
Biomolecules, 2022-03-31;12(4):.
Species: Human
Sample Types: Cell Culture Supernates
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Dipeptidyl peptidase-4 inhibitors reduced long-term cardiovascular risk in diabetic patients after percutaneous coronary intervention via insulin-like growth factor-1 axis
Authors: Y Chikata, H Iwata, K Miyosawa, T Koike, H Yasuda, T Funamizu, S Doi, H Endo, H Wada, R Naito, M Ogita, T Dohi, T Kasai, K Isoda, S Okazaki, K Miyauchi, T Minamino
Scientific Reports, 2022-03-24;12(1):5129.
Species: Human
Sample Types: Serum
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MicroRNA-210 regulates the metabolic and inflammatory status of primary human astrocytes
Authors: NW Kieran, R Suresh, MF Dorion, A MacDonald, M Blain, D Wen, SC Fuh, F Ryan, RJ Diaz, JA Stratton, SK Ludwin, JA Sonnen, J Antel, LM Healy
Journal of Neuroinflammation, 2022-01-06;19(1):10.
Species: Human
Sample Types: Cell Culture Supernates
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Circulating Insulin and IGF-1 and Frequency of Food Consumption during Pregnancy as Predictors of Birth Weight and Length
Authors: D Mazurkiewi, M Bronkowska
Nutrients, 2021-07-09;13(7):.
Species: Human
Sample Types: Plasma
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Mesenchymal growth hormone receptor deficiency leads to failure of alveolar progenitor cell function and severe pulmonary fibrosis
Authors: T Xie, V Kulur, N Liu, N Deng, Y Wang, SC Rowan, C Yao, G Huang, X Liu, F Taghavifar, J Liang, C Hogaboam, B Stripp, P Chen, D Jiang, PW Noble
Science Advances, 2021-06-09;7(24):.
Species: Human
Sample Types: Cell Culture Supernates
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Peripheral Nerve-Derived Stem Cell Spheroids Induce Functional Recovery and Repair after Spinal Cord Injury in Rodents
Authors: HL Lee, CE Yeum, H Lee, J Oh, JT Kim, WJ Lee, Y Ha, YI Yang, KN Kim
International Journal of Molecular Sciences, 2021-04-16;22(8):.
Species: Human
Sample Types: Cell Culture Supernates
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Effect of anthelmintic treatment on serum free IGF-1 and IGFBP-3: a cluster-randomized-controlled trial in Indonesia
Authors: F Kurniawan, DL Tahapary, K de Ruiter, E Yunir, NR Biermasz, JWA Smit, T Supali, E Sartono, M Yazdanbakh, P Soewondo
Sci Rep, 2020-11-04;10(1):19023.
Species: Human
Sample Types: Serum
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Circulating biomarkers and outcomes from a randomised phase 2 trial of gemcitabine versus capecitabine-based chemoradiotherapy for pancreatic cancer
Authors: F Willenbroc, CM Cox, EE Parkes, CS Wilhelm-Be, AG Abraham, R Owens, A Sabbagh, CM Jones, DLI Hughes, T Maughan, CN Hurt, EE O'Neill, S Mukherjee
Br J Cancer, 2020-10-26;0(0):.
Species: Human
Sample Types: Plasma
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Regional hyperthermia enhances mesenchymal stem cell recruitment to tumor stroma: Implications for mesenchymal stem cell-based tumor therapy
Authors: M Tutter, C Schug, KA Schmohl, S Urnauer, C Kitzberger, N Schwenk, M Petrini, C Zach, S Ziegler, P Bartenstei, WA Weber, G Multhoff, E Wagner, LH Lindner, PJ Nelson, C Spitzweg
Mol Ther, 2020-10-15;0(0):.
Species: Human
Sample Types: Cell Culture Supernates
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Moderate- to high intensity aerobic and resistance exercise reduces peripheral blood regulatory cell populations in older adults with rheumatoid arthritis
Authors: SEM Andersson, E Lange, D Kucharski, S Svedlund, K Önnheim, M Bergquist, E Josefsson, JM Lord, IL Mårtensson, K Mannerkorp, I Gjertsson
Immun Ageing, 2020-05-16;17(0):12.
Species: Human
Sample Types: Plasma
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Using a cultural dance program to increase sustainable physical activity for breast cancer survivors-A pilot study
Authors: LWM Loo, K Nishibun, L Welsh, T Makolo, CD Chong, I Pagano, H Yu, EO Bantum
Complement Ther Med, 2019-09-21;47(0):102197.
Species: Human
Sample Types: Plasma
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Changes on the Structural Architecture and Growth Factor Release, and Degradation in Equine Platelet-Rich Fibrin Clots Cultured Over Time
Authors: RF Jiménez-Ar, JU Carmona, M Prades
J. Equine Vet. Sci., 2019-08-09;82(0):102789.
Species: Equine
Sample Types: Serum
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pHERV-W envelope protein fuels microglial cell-dependent damage of myelinated axons in multiple sclerosis
Authors: D Kremer, J Gruchot, V Weyers, L Oldemeier, P Göttle, L Healy, J Ho Jang, Y Kang T Xu, C Volsko, R Dutta, BD Trapp, H Perron, HP Hartung, P Küry
Proc. Natl. Acad. Sci. U.S.A., 2019-06-18;0(0):.
Species: Human
Sample Types: Cell Culture Supernates
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Plasma Rich in Growth Factors (PRGF) Disrupt the Blood-Brain Barrier Integrity and Elevate Amyloid Pathology in the Brains of 5XFAD Mice
Authors: QV Duong, ML Kintzing, WE Kintzing, IM Abdallah, AD Brannen, A Kaddoumi
Int J Mol Sci, 2019-03-25;20(6):.
Species: Human
Sample Types: Plasma
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Large-scale secretome analyses unveil the superior immunosuppressive phenotype of umbilical cord stromal cells as compared to other adult mesenchymal stromal cells
Authors: A Islam, I Urbarova, JA Bruun, I Martinez-Z
Eur Cell Mater, 2019-02-20;37(0):153-174.
Species: Human
Sample Types: Cell Culture Supernates
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Four types of human platelet lysate, including one virally inactivated by solvent-detergent, can be used to propagate Wharton Jelly mesenchymal stromal cells
Authors: MS Chen, TJ Wang, HC Lin, B Thierry
New biotechnology, 2018-11-20;0(0):.
Species: Human
Sample Types: Platelet Lysates
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Comparative Analysis of Different Platelet Lysates and Platelet Rich Preparations to Stimulate Tendon Cell Biology: An In Vitro Study
Authors: F Klatte-Sch, T Schmidt, M Uckert, S Scheffler, U Kalus, M Rojewski, H Schrezenme, A Pruss, B Wildemann
Int J Mol Sci, 2018-01-10;19(1):.
Species: Human
Sample Types: Plasma
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Tumor-associated B-cells induce tumor heterogeneity and therapy resistance
Authors: R Somasundar, G Zhang, M Fukunaga-K, M Perego, C Krepler, X Xu, C Wagner, D Hristova, J Zhang, T Tian, Z Wei, Q Liu, K Garg, J Griss, R Hards, M Maurer, C Hafner, M Mayerhöfer, G Karanikas, A Jalili, V Bauer-Pohl, F Weihsengru, K Rappersber, J Koller, R Lang, C Hudgens, G Chen, M Tetzlaff, L Wu, DT Frederick, RA Scolyer, GV Long, M Damle, C Ellingswor, L Grinman, H Choi, BJ Gavin, M Dunagin, A Raj, N Scholler, L Gross, M Beqiri, K Bennett, I Watson, H Schaider, MA Davies, J Wargo, BJ Czerniecki, L Schuchter, D Herlyn, K Flaherty, M Herlyn, SN Wagner
Nat Commun, 2017-09-19;8(1):607.
Species: Human
Sample Types: Cell Culture Supernates
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A Collagen Cardiac Patch Incorporating Alginate Microparticles Permits the Controlled Release of HGF and IGF-1 to Enhance Cardiac Stem Cell Migration and Proliferation
Authors: Hugh S O'Neill
J Tissue Eng Regen Med, 2017-06-19;0(0):.
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The Effects of Taekwondo Training on Peripheral Neuroplasticity-Related Growth Factors, Cerebral Blood Flow Velocity, and Cognitive Functions in Healthy Children: A Randomized Controlled Trial
Authors: SY Cho, WY So, HT Roh
Int J Environ Res Public Health, 2017-04-25;14(5):.
Species: Human
Sample Types: Serum
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Antecedents and correlates of blood concentrations of neurotrophic growth factors in very preterm newborns
Authors: A Leviton, EN Allred, H Yamamoto, RN Fichorova, K Kuban, TM O'Shea, O Dammann, ELGAN Stud
Cytokine, 2017-04-07;0(0):.
Species: Human
Sample Types: Complex Sample Type
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Higher IGFBP-1 to IGF-1 serum ratio predicts unfavourable survival in patients with nasopharyngeal carcinoma
Authors: X Feng, J Lin, S Xing, W Liu, G Zhang
BMC Cancer, 2017-01-31;17(1):90.
Species: Human
Sample Types: Serum
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MODELING STROMA-INDUCED DRUG RESISTANCE IN A TISSUE-ENGINEERED TUMOR MODEL OF EWING SARCOMA
Authors: Marco Santoro
Tissue Eng Part A, 2017-01-01;0(0):.
Species: Human
Sample Types: Cell Culture Supernates
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Salivary and serum insulin-like growth factor (IGF-1) assays in anorexic patients.
Authors: Paszynska E, Dmitrzak-Weglarz M, Slopien A, Tyszkiewicz-Nwafor M, Rajewski A
World J Biol Psychiatry, 2015-04-13;17(8):615-621.
Species: Human
Sample Types: Saliva
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Transplantation of human adipose tissue-derived stem cells delays clinical onset and prolongs life span in ALS mouse model.
Authors: Kim, Kwang S, Lee, Hong J, An, Jin, Kim, Yun B, Ra, Jung Cha, Lim, Inja, Kim, Seung U
Cell Transplant, 2013-09-18;23(12):1585-97.
Species: Human
Sample Types: Cell Culture Supernates
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Insulin-like growth factor 1 and 2 (IGF1, IGF2) expression in human microglia: differential regulation by inflammatory mediators.
Authors: Suh H, Zhao M, Derico L, Choi N, Lee S
J Neuroinflammation, 2013-03-12;10(0):37.
Species: Human
Sample Types: Cell Culture Supernates
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Sustained production of a soluble IGF-I receptor by gutless adenovirus-transduced host cells protects from tumor growth in the liver.
Authors: Wang N, Lu Y, Pinard M, Pilotte A, Gilbert R, Massie B, Brodt P
Cancer Gene Ther, 2013-03-08;20(4):229-36.
Species: Human
Sample Types: Plasma
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Improvement in disability after alemtuzumab treatment of multiple sclerosis is associated with neuroprotective autoimmunity.
Authors: Jones JL, Anderson JM, Phuah CL, Fox EJ, Selmaj K, Margolin D, Lake SL, Palmer J, Thompson SJ, Wilkins A, Webber DJ, Compston DA, Coles AJ
Brain, 2010-07-21;133(0):2232-47.
Species: Human
Sample Types: Cell Culture Supernates
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Insulin-like growth factor-I receptor blockade by a specific tyrosine kinase inhibitor for human gastrointestinal carcinomas.
Authors: Piao W, Wang Y, Adachi Y, Yamamoto H, Li R, Imsumran A, Li H, Maehata T, Ii M, Arimura Y, Lee CT, Shinomura Y, Carbone DP, Imai K
Mol. Cancer Ther., 2008-06-01;7(6):1483-93.
Species: Human
Sample Types: Tissue Homogenates
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Interaction between interferon gamma and insulin-like growth factor-1 in hippocampus impacts on the ability of rats to sustain long-term potentiation.
Authors: Maher FO, Clarke RM, Kelly A, Nally RE, Lynch MA
J. Neurochem., 2006-02-08;96(6):1560-71.
Species: Rat
Sample Types: Tissue Homogenates
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Genetic regulation of the variation of circulating insulin-like growth factors and leptin in human pedigrees.
Authors: Pantsulaia Ia, Pantsulaia I, Trofimov S, Kobyliansky E, Livshits G
Metab. Clin. Exp., 2005-07-01;54(7):975-81.
Species: Human
Sample Types: Plasma
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Easy to use, the kit performs well on EDTA plasma when diluted 1:2 with Reagent diluent
Great product, good curve and results
Easy to use and good results