Human IL-5 Quantikine ELISA Kit

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Human IL-5 ELISA Cell Culture Supernate/Urine Standard Curve
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Product Details
Citations (42)
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Human IL-5 Quantikine ELISA Kit Summary

Assay Type
Solid Phase Sandwich ELISA
96-well strip plate
Assay Length
4.5 hours
Sample Type & Volume Required Per Well
Cell Culture Supernates (100 uL), Serum (100 uL), EDTA Plasma (100 uL), Heparin Plasma (100 uL), Urine (100 uL)
1.08 pg/mL
Assay Range
3.9 - 250 pg/mL (Cell Culture Supernates, Serum, EDTA Plasma, Heparin Plasma, Urine)
Natural and recombinant human IL-5
< 0.5% cross-reactivity observed with available related molecules.< 50% cross-species reactivity observed with species tested.
No significant interference observed with available related molecules.

Product Summary

The Quantikine Human IL-5 Immunoassay is a 4.5 hour solid phase ELISA designed to measure IL-5 levels in cell culture supernates, serum, plasma, and urine. It contains Sf 21-expressed recombinant human IL-5 and antibodies raised against the recombinant factor and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human IL-5 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 natural IL-5.


Intra-Assay Precision (Precision within an assay) Three samples of known concentration were tested on one plate to assess intra-assay precision
Inter-Assay Precision (Precision between assays) Three samples of known concentration were tested in separate assays to assess inter-assay precision

Cell Culture Supernates, Urine

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 40 40 40
Mean (pg/mL) 28.1 89.3 170 31.2 92.6 174
Standard Deviation 0.89 2 7.27 2.5 4.2 8.7
CV% 3.2 2.2 4.2 8 4.5 5

Serum, EDTA Plasma, Heparin Plasma

Intra-Assay Precision Inter-Assay Precision
Sample 1 2 3 1 2 3
n 20 20 20 40 40 40
Mean (pg/mL) 31.3 95.6 173 32.9 97.9 180
Standard Deviation 1.4 3.5 6.5 4 6.7 8.4
CV% 4.5 3.7 3.8 12.2 6.8 4.7


The recovery of human IL-5 spiked to different levels throughout the range of the assay in various matrices was evaluated.

Sample Type Average % Recovery Range %
Cell Culture Media (n=4) 101 95-107
EDTA Plasma (n=4) 104 86-118
Heparin Plasma (n=4) 101 87-112
Serum (n=4) 104 88-116
Urine (n=4) 96 91-106


To assess the linearity of the assay, five samples were spiked with high concentrations of IL-5 in various matrices and diluted with the appropriate Calibrator Diluent to produce samples with values within the dynamic range of the assay.
Human IL-5 ELISA Linearity

Scientific Data

Human IL-5 ELISA Cell Culture Supernate/Urine Standard Curve

Human IL-5 ELISA Serum/Plasma Standard Curve

Product Datasheets

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Preparation and Storage

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

Background: IL-5

IL-5 (Interleukin-5) is a secreted cytokine that is expressed as a covalent dimer. It is produced by activated Th2 cells, eosinophils, mast cells, and iNKT cells and promotes eosinophilic and basophilic differentiation and activation. IL-5 signals through a receptor complex containing IL-5 R alpha and the Common beta Chain/CD131 on eosinophils and basophils. Naturally occurring soluble forms of IL-5 R alpha retain the ability to bind IL-5 and limit its bioavailability.

Long Name:
Interleukin 5
Entrez Gene IDs:
3567 (Human); 16191 (Mouse); 24497 (Rat); 397409 (Porcine); 280825 (Bovine); 403790 (Canine); 493803 (Feline)
Alternate Names:
BCDF mu; B-cell differentiation factor I; BCGFII; EDF; Eo-CSF; Eosinophil differentiation factor; IL5; IL-5; IL-5T-cell replacing factor; interleukin 5 (colony-stimulating factor, eosinophil); interleukin-5; TRF; TRFB cell differentiation factor I
⚠ 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

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. 100 µL Assay Diluent
  4.   Add 100 µL of Assay Diluent to each well.

  5. 100 µL Standard, Control, or Sample
  6.   Add 100 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 IL-5 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.

42 Citations: Showing 1 - 10
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  1. Annexin A1 is a cell-intrinsic metalloregulator of zinc in human ILC2s
    Authors: Irie, M;Kabata, H;Sasahara, K;Kurihara, M;Shirasaki, Y;Kamatani, T;Baba, R;Matsusaka, M;Koga, S;Masaki, K;Miyata, J;Araki, Y;Kikawada, T;Kabe, Y;Suematsu, M;Yamagishi, M;Uemura, S;Moro, K;Fukunaga, K;
    Cell reports
    Species: Human
    Sample Types: Cell Culture Supernates
  2. IL-17 cytokines preferentially act on na�ve CD4+ T cells with the IL-17AF heterodimer inducing the greatest functional changes
    Authors: MP Crawford, N Borcherdin, NJ Karandikar
    PLoS ONE, 2023-04-28;18(4):e0285166.
    Species: Human
    Sample Types: Cell Culture Supernates
  3. IL-17 cytokines preferentially act on na�ve CD4+ T cells with the IL-17AF heterodimer inducing the greatest functional changes
    Authors: MP Crawford, N Borcherdin, NJ Karandikar
    PLoS ONE, 2023;18(4):e0285166.
    Species: Human
    Sample Types: Cell Culture Supernates
  4. Heterogeneous Response of Airway Eosinophilia to Anti-IL-5 Biologics in Severe Asthma Patients
    Authors: MK Šoki?, M Rijavec, P Korošec, U Bidovec-St, I Kern, R Vantur, S Škrgat
    Journal of personalized medicine, 2022-01-07;12(1):.
    Species: Human
    Sample Types: Serum
  5. Socioeconomic status, financial stress, and glucocorticoid resistance among youth with asthma: Testing the moderation effects of maternal involvement and warmth
    Authors: Y Jiang, AK Farrell, ET Tobin, HE Mair-Meije, DE Wildman, F Luca, RB Slatcher, S Zilioli
    Brain, Behavior, and Immunity, 2021-05-17;0(0):.
    Species: Human
    Sample Types: Plasma
  6. Clinical characteristics of patients with not well-controlled severe asthma in Japan: Analysis of the Keio Severe Asthma Research Program in Japanese population (KEIO-SARP) registry
    Authors: T Tanosaki, H Kabata, M Matsusaka, J Miyata, K Masaki, T Mochimaru, S Okuzumi, M Kuwae, R Watanabe, Y Suzuki, K Sayama, K Izuhara, K Asano, K Fukunaga
    Allergol Int, 2020-07-08;0(0):.
    Species: Human
    Sample Types: Serum
  7. New participant stratification and combination of urinary biomarkers and confounders could improve diagnostic accuracy for overactive bladder
    Authors: S Firouzmand, L Ajori, JS Young
    Sci Rep, 2020-02-20;10(1):3085.
    Species: Human
    Sample Types: Urine
  8. Obesity and childhood asthma in male schoolchildren in Saudi Arabia: Is there a role for leptin, interleukin-4, interleukin-5, and interleukin-21?
    Authors: M Al-Ayed, K Alshaybari, D Alshehri, A Jamaan, I Nasser, H Alaamri, W Alaseeri, AA Mahfouz, S Ali Alsare, AM Asaad, A Ali Magzou, MA Qureshi, MH Shalayel
    Ann Saudi Med, 2019-10-03;39(5):295-301.
    Species: Human
    Sample Types: Serum
  9. Serum sST2 levels predict severe exacerbation of asthma
    Authors: M Watanabe, K Nakamoto, T Inui, M Sada, K Honda, M Tamura, Y Ogawa, T Yokoyama, T Saraya, D Kurai, H Ishii, H Takizawa
    Respir. Res., 2018-09-03;19(1):169.
    Species: Human
    Sample Types: Serum
  10. Live attenuated B. pertussis BPZE1 rescues the immune functions of Respiratory Syncytial virus infected human dendritic cells by promoting Th1/Th17 responses.
    Authors: Schiavoni I, Fedele G, Quattrini A, Bianco M, Schnoeller C, Openshaw P, Locht C, Ausiello C
    PLoS ONE, 2014-06-26;9(6):e100166.
    Species: Human
    Sample Types: Cell Culture Supernates
  11. Immunoepidemiological profiling of onchocerciasis patients reveals associations with microfilaria loads and ivermectin intake on both individual and community levels.
    Authors: Arndts, Kathrin, Specht, Sabine, Debrah, Alexande, Tamarozzi, Francesc, Klarmann Schulz, Ute, Mand, Sabine, Batsa, Linda, Kwarteng, Alexande, Taylor, Mark, Adjei, Ohene, Martin, Coralie, Layland, Laura E, Hoerauf, Achim
    PLoS Negl Trop Dis, 2014-02-20;8(2):e2679.
    Species: Human
    Sample Types: Plasma
  12. Absence of a role for interleukin-13 in inflammatory bowel disease.
    Authors: Biancheri P, Di Sabatino A, Ammoscato F, Facciotti F, Caprioli F, Curciarello R, Hoque S, Ghanbari A, Joe-Njoku I, Giuffrida P, Rovedatti L, Geginat J, Corazza G, MacDonald T
    Eur J Immunol, 2014-02-01;44(2):370-85.
    Species: Human
    Sample Types: Cell Culture Supernates
  13. Anti-interleukin-5 and multiple autoantibodies are associated with human atherosclerotic diseases and serum interleukin-5 levels.
    Authors: Ishigami, Tomoaki, Abe, Kaito, Aoki, Ichiro, Minegishi, Shintaro, Ryo, Akihide, Matsunaga, Satoko, Matsuoka, Kazuhiro, Takeda, Hiroyuki, Sawasaki, Tatsuya, Umemura, Satoshi, Endo, Yaeta
    FASEB J, 2013-05-22;27(9):3437-45.
    Species: Human
    Sample Types: Serum
  14. Presence of IL-5 protein and IgE antibodies to staphylococcal enterotoxins in nasal polyps is associated with comorbid asthma.
    Authors: Bachert C, Zhang N, Holtappels G, De Lobel L, Van Cauwenberge P, Liu S, Lin P, Bousquet J, Van Steen K
    J. Allergy Clin. Immunol., 2010-11-01;126(5):962.
    Species: Human
    Sample Types: Tissue Homogenates
  15. Staphylococcus aureus in nasal lavage and biopsy of patients with chronic rhinosinusitis.
    Authors: Niederfuhr A, Kirsche H, Deutschle T, Poppert S, Riechelmann H, Wellinghausen N
    Allergy, 2008-10-01;63(10):1359-67.
    Species: Human
    Sample Types: Nasal Lavage Fluid
  16. Effects of atorvastatin added to inhaled corticosteroids on lung function and sputum cell counts in atopic asthma.
    Authors: Hothersall EJ, Chaudhuri R, McSharry C, Donnelly I, Lafferty J, McMahon AD, Weir CJ, Meiklejohn J, Sattar N, McInnes I, Wood S, Thomson NC
    Thorax, 2008-08-29;63(12):1070-5.
    Species: Human
    Sample Types: Serum
  17. Mycobacterium bovis Bacillus Calmette-Guerin suppresses inflammatory Th2 responses by inducing functional alteration of TSLP-activated dendritic cells.
    Authors: Yokoi T, Amakawa R, Tanijiri T, Sugimoto H, Torii Y, Amuro H, Son Y, Tajima K, Liu YJ, Ito T, Fukuhara S
    Int. Immunol., 2008-08-13;20(10):1321-9.
    Species: Human
    Sample Types: Cell Culture Supernates
  18. Detection of pancreatic cancer using antibody microarray-based serum protein profiling.
    Authors: Ingvarsson J, Wingren C, Carlsson A, Ellmark P, Wahren B, Engstrom G, Harmenberg U, Krogh M, Peterson C, Borrebaeck CA
    Proteomics, 2008-06-01;8(11):2211-9.
    Species: Human
    Sample Types: Serum
  19. Distinct subsets of human invariant NKT cells differentially regulate T helper responses via dendritic cells.
    Authors: Liu TY, Uemura Y, Suzuki M, Narita Y, Hirata S, Ohyama H, Ishihara O, Matsushita S
    Eur. J. Immunol., 2008-04-01;38(4):1012-23.
    Species: Human
    Sample Types: Cell Culture Supernates
  20. Systemic responses after bronchial aspirin challenge in sensitive patients with asthma.
    Authors: Makowska JS, Grzegorczyk J, Bienkiewicz B, Wozniak M, Kowalski ML
    J. Allergy Clin. Immunol., 2007-12-20;121(2):348-54.
    Species: Human
    Sample Types: Serum
  21. Computed tomographic scan-diagnosed chronic obstructive pulmonary disease-emphysema: eotaxin-1 is associated with bronchodilator response and extent of emphysema.
    Authors: Miller M, Ramsdell J, Friedman PJ, Cho JY, Renvall M, Broide DH
    J. Allergy Clin. Immunol., 2007-11-01;120(5):1118-25.
    Species: Human
    Sample Types: BALF
  22. 1, 25 Dihydroxyvitamin D3 modulated cytokine response in pulmonary tuberculosis.
    Authors: Vidyarani M, Selvaraj P, Jawahar MS, Narayanan PR
    Cytokine, 2007-10-29;40(2):128-34.
    Species: Human
    Sample Types: Cell Culture Supernates
  23. Placental growth factor down-regulates type 1 T helper immune response by modulating the function of dendritic cells.
    Authors: Lin YL, Liang YC, Chiang BL
    J. Leukoc. Biol., 2007-08-30;82(6):1473-80.
    Species: Human
    Sample Types: Cell Culture Supernates
  24. Relationship between eosinophilia and levels of chemokines (CCL5 and CCL11) and IL-5 in bronchoalveolar lavage fluid of patients with mustard gas-induced pulmonary fibrosis.
    Authors: Emad A, Emad Y
    J. Clin. Immunol., 2007-07-10;27(6):605-12.
    Species: Human
    Sample Types: BALF
  25. T-lymphocyte activation and the levels of eosinophilic cationic protein and interleukin-5 in asthmatic children with acute exacerbation and effect of glucocorticoid treatment.
    Authors: Kocak AK, Bor O, Yildiz B, Erdogan L, Us T
    Allergy Asthma Proc, 2006-07-01;27(4):371-7.
    Species: Human
    Sample Types: Serum
  26. A network-based analysis of the late-phase reaction of the skin.
    Authors: Benson M, Langston MA, Adner M, Andersson B, Torinssson-Naluai A, Cardell LO
    J. Allergy Clin. Immunol., 2006-05-11;118(1):220-5.
    Species: Human
    Sample Types: Cell Culture Supernates
  27. Chemokines indicate allergic bronchopulmonary aspergillosis in patients with cystic fibrosis.
    Authors: Hartl D, Latzin P, Zissel G, Krane M, Krauss-Etschmann S, Griese M
    Am. J. Respir. Crit. Care Med., 2006-03-16;173(12):1370-6.
    Species: Human
    Sample Types: Serum
  28. Respiratory syncytial virus and other respiratory viruses during the first 3 months of life promote a local TH2-like response.
    Authors: Kristjansson S, Bjarnarson SP, Wennergren G, Palsdottir AH, Arnadottir T, Haraldsson A, Jonsdottir I
    J. Allergy Clin. Immunol., 2005-10-01;116(4):805-11.
    Species: Human
    Sample Types: Tissue Secretion
  29. Eotaxin-3 and interleukin-5 pleural fluid levels are associated with pleural fluid eosinophilia in post-coronary artery bypass grafting pleural effusions.
    Authors: Kalomenidis I, Stathopoulos GT, Barnette R, Guo Y, Peebles RS, Blackwell TS, Light RW
    Chest, 2005-06-01;127(6):2094-100.
    Species: Human
    Sample Types: Pleural Effusion
  30. Relationships between allergic inflammation and nasal airflow in children with seasonal allergic rhinitis.
    Authors: Ciprandi G, Tosca MA, Marseglia GL, Klersy C
    Ann. Allergy Asthma Immunol., 2005-02-01;94(2):258-61.
    Species: Human
    Sample Types: Nasal Lavage Fluid
  31. Antifungal immune reactivity in nasal polyposis.
    Authors: Pitzurra L, Bellocchio S, Nocentini A, Bonifazi P, Scardazza R, Gallucci L, Stracci F, Simoncelli C, Bistoni F, Romani L
    Infect. Immun., 2004-12-01;72(12):7275-81.
    Species: Human
    Sample Types: Nasal Lavage Fluid
  32. Effects of antiasthmatic agents on the functions of peripheral blood monocyte-derived dendritic cells from atopic patients.
    Authors: Saeki S, Matsuse H, Kondo Y, Machida I, Kawano T, Tomari S, Obase Y, Fukushima C, Kohno S
    J. Allergy Clin. Immunol., 2004-09-01;114(3):538-44.
    Species: Human
    Sample Types: Cell Culture Supernates
  33. Effect of ozone exposure on airway responses to inhaled allergen in asthmatic subjects.
    Authors: Chen LL, Tager IB, Peden DB, Christian DL, Ferrando RE, Welch BS, Balmes JR
    Chest, 2004-06-01;125(6):2328-35.
    Species: Human
    Sample Types: BALF
  34. Regulation of the interleukin-5 receptor alpha-subunit on peripheral blood eosinophils from healthy subjects.
    Authors: Hellman C, 107334, Hallden G, Hylander B, Lundahl J
    Lagging strand gap suppression connects BRCA-mediated fork protection to nucleosome assembly through PCNA-dependent CAF-1 recycling, 2003-01-01;131(1):75-81.
    Species: Human
    Sample Types: Peritoneal Fluid
  35. T lymphocyte-mediated changes in airway smooth muscle responsiveness are attributed to induced autocrine release and actions of IL-5 and IL-1beta.
    Authors: Hakonarson H, Whelan R, Leiter J, Kim C, Chen M, Campbell D, Grunstein MM
    J. Allergy Clin. Immunol., 2002-10-01;110(4):624-33.
    Species: Human
    Sample Types: Cell Culture Supernates
  36. Relationship between the perception of dyspnoea and airway inflammatory markers.
    Authors: Jang AS, Choi IS
    Respir Med, 2002-03-01;96(3):150-4.
    Species: Human
    Sample Types: Saliva
  37. Structural features of peptide analogs of human histocompatibility leukocyte antigen class I epitopes that are more potent and immunogenic than wild-type peptide.
    Authors: Tangri S, Ishioka GY, Huang X, Sidney J, Southwood S, Fikes J, Sette A
    J. Exp. Med., 2001-09-17;194(6):833-46.
    Species: Human
    Sample Types: Cell Culture Supernates
  38. Bleomycin stimulates lung fibroblast and epithelial cell lines to release eosinophil chemotactic activity.
    Authors: Sato E, Koyama S
    Eur. Respir. J., 2000-11-01;16(5):951-8.
    Species: Human
    Sample Types: Cell Culture Supernates
  39. Natural interferon alpha/beta-producing cells link innate and adaptive immunity.
    Authors: Kadowaki N, Antonenko S, Lau JY, Liu YJ
    J. Exp. Med., 2000-07-17;192(2):219-26.
    Species: Human
    Sample Types: Cell Culture Supernates
  40. Airway inflammation in asthma and perennial allergic rhinitis. Relationship with nonspecific bronchial responsiveness and maximal airway narrowing.
    Authors: Alvarez MJ, Olaguibel JM, Garcia BE, Rodriquez A, Tabar AI, Urbiola E
    Allergy, 2000-04-01;55(4):355-62.
    Species: Human
    Sample Types: Sputum
  41. Cytokine profiles in parotid saliva from HIV-1-infected individuals: changes associated with opportunistic infections in the oral cavity.
    Authors: Black, K P, Merrill, K W, Jackson, S, Katz, J
    Oral Microbiol Immunol, 2000-04-01;15(2):74-81.
    Species: Human
    Sample Types: Saliva
  42. Low levels of interferon-gamma in nasal fluid accompany raised levels of T-helper 2 cytokines in children with ongoing allergic rhinitis.
    Authors: Benson M, Strannegard IL, Wennergren G, Strannegard O
    Pediatr Allergy Immunol, 2000-02-01;11(1):20-8.
    Species: Human
    Sample Types: Nasal Lavage Fluid


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Human IL-5 Quantikine ELISA Kit
By Anonymous on 10/29/2020
Sample Tested: Cell culture supernatant

Easy to use, Good results

Human IL-5 Quantikine ELISA Kit
By Evan Williams on 10/28/2020
Sample Tested: EDTA Plasma

Kit worked well, however human plasma had undetectable levels of IL-5

Human IL-5 Quantikine ELISA Kit
By Alisha Freeman on 10/10/2017
Sample Tested: Calu-6 human lung carcinoma cell line