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Human IL-1ra/IL-1F3 DuoSet ELISA, 15 Plate

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Summary
Reactivity HuSpecies Glossary
Applications ELISA
Conjugate
Biotin

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Human IL-1ra/IL-1F3 DuoSet ELISA, 15 Plate Summary

Source
N/A
Assay Type
Solid Phase Sandwich ELISA
Inter-Assay
See PDF Datasheet for details
Intra-Assay
See PDF Datasheet for details
Spike Recovery
See PDF Datasheet for details
Sample Volume
See PDF Datasheet for details
Gene
IL1RN

Applications/Dilutions

Dilutions
  • ELISA
Application Notes
No significant interference observed with available related molecules.
Publications
Read Publications using DY280.

Packaging, Storage & Formulations

Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Human IL-1ra/IL-1F3 DuoSet ELISA, 15 Plate

  • DIRA
  • ICIL-1ra
  • IL1F3
  • IL-1F3
  • IL1ra
  • IL-1ra
  • IL-1ra3
  • IL1RN
  • IL-1RN
  • interleukin 1 receptor antagonist
  • IRAP
  • MVCD4

Background

Interleukin-1 receptor antagonist (IL-1ra; also known as IL-1F3) is a 22-25 kDa member of the IL-1 family of cytokines. Currently, there are 11 family members (IL-1F1-F11), nine of which form an IL-1 gene cluster on human Ch2 (1-3). Each IL-1 family member contains an IL-1 fold. This fold is generated by 12 packed beta -sheets that interact to form a beta -trefoil structure. Little amino acid (aa) homology is required to achieve this structure, and this explains the low aa identity among IL-1 family members. IL-1ra is a pure cytokine receptor antagonist that has no signal transduction-initiating activity (4). It is an acute phase protein that exists to dampen inflammation. IL-1( beta ) is initially produced by monocytes in response to a variety of stimuli. Circulating IL-1 then binds to widely expressed IL-1 type I receptors (IL-1 RI) and initiates a number of pro-inflammatory events. On endothelial cells (EC), IL-1 induces PGE2 and IL-6 release, generating fever, thrombocytosis, and hepatic acute phase protein production. In synovial joints, IL-1 induces chondrocyte NO production, an event that leads to reduced collagen synthesis and chondrocyte apoptosis. Finally, IL-1 increases neutrophil counts, both in blood and tissue, and thus is able to promote a pro-inflammatory environment in multiple locations (5-8). IL-1ra blocks IL-1 action through competitive inhibition. More correctly, although IL-1ra fills the IL-1 binding site in IL-1 RI, it is also unable to orchestrate the creation of a signal-transducing IL-1 RI:IL-1 R Accessory protein (IL-1 R AcP) heterodimer complex. Effective IL-1ra concentrations are generally 100-fold greater than local IL-1 concentrations. This is because the IL-1ra half-life is but 6 minutes, and very few IL-1 type I receptors need to be engaged by IL-1 to elicit a cellular response (5, 7, 9). 
Human IL-1ra is synthesized as a 177 aa precursor that contains a 25 aa signal sequence and a 152 aa mature region (10, 11). Although it contains an IL-1 cytokine fold, it apparently lacks two structural motifs that allow for activation of the IL-1 receptor heterodimer. First, and following binding to IL-1 RI, the presence of Ile 51-His 54 and Lys 145 of the mature molecule preclude recruitment of IL-1 R AcP. Second, there is no identifiable C-terminal lectin segment that is hypothesized to help recruit an accessory signaling component (1, 12, 13). Mature human IL-1ra is 77% and 82% aa identical to mouse and canine IL-1ra, respectively, and human IL-1ra inhibits IL-1 activity on mouse cells (10). A number of cell types express IL-1ra, including monocytes (11), Sertoli cells (14), hepatocytes (15), adipocytes (16), synovial fibroblasts (17), mast cells (18), pancreatic beta -cells (19), and intestinal epithelial cells (20). There are at least three intracellular IL-1ra isoforms (icIL-1ra1, 2, and 3). All show N-terminal variation, and all contain amino acids 35-177 of the secreted precursor (21-23). Intracellular IL-1ra1 is of particular interest, because it is reported to be "secreted" by endothelial cells and binds to the IL-1 RI in an antagonist fashion (23-25). Intracellular IL-1ra1 is 159 aa in length and shows a 3 aa substitution for the first 21 aa's of the signal sequence of IL-1ra (21).

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Publications for IL-1ra/IL-1F3/IL1RN (DY280)(32)

We have publications tested in 2 confirmed species: Human,  Human.


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Human
(31)
 Human
(1)
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Showing Publications 1 - 10 of 32. Show All 32 Publications.
Publications using DY280 Applications Species
Snuggs, JW;Senter, RK;Whitt, JP;Jackson, JD;Le Maitre, CL; PCRX-201, a novel IL-1Ra gene therapy treatment approach for low back pain resulting from intervertebral disc degeneration Gene therapy 2024-11-21 [PMID: 39572769] (Human) Human
Cab?u, G;Badii, M;Mirea, AM;Gaal, OI;van Emst, L;Popp, RA;Cri?an, TO;Joosten, LAB; Long-Lasting Enhanced Cytokine Responses Following SARS-CoV-2 BNT162b2 mRNA Vaccination Vaccines 2024-07-03 [PMID: 39066374] (Human) Human
Dos Santos, JC;Moreno, M;Teufel, LU;Chilibroste, S;Keating, ST;Groh, L;Domínguez-Andrés, J;Williams, DL;Ma, Z;Lowman, DW;Ensley, HE;Novakovic, B;Ribeiro-Dias, F;Netea, MG;Chabalgoity, JA;Joosten, LAB; Leishmania braziliensis enhances monocyte responses to promote anti-tumor activity Cell reports 2024-03-07 [PMID: 38457336] (Human) Human
Gysan, MR;Milacek, C;Bal, C;Zech, A;Brugger, J;Milos, RI;Antoniewicz, L;Idzko, M;Gompelmann, D; Ventilatory support and inflammatory peptides in hospitalised patients with COVID-19: A prospective cohort trial PloS one 2023-11-02 [PMID: 37917760] (Human) Human
Jayaprakash Demirel, K;Wu, R;Neves Guimaraes, A;Demirel, I; The role of NLRP3 in regulating gingival epithelial cell responses evoked by Aggregatibacter actinomycetemcomitans Cytokine 2023-09-01 [PMID: 37541072] (Human) Human
Scherr, BF;Reiner, MF;Baumann, F;Höhne, K;Müller, T;Ayata, K;Müller-Quernheim, J;Idzko, M;Zissel, G; Prevention of M2 polarization and temporal limitation of differentiation in monocytes by extracellular ATP BMC immunology 2023-06-23 [PMID: 37353774] (Human) Human
Ferreira, AV;Kostidis, S;Groh, LA;Koeken, VACM;Bruno, M;Baydemir, I;Kilic, G;Bulut, Ö;Andriopoulou, T;Spanou, V;Synodinou, KD;Gkavogianni, T;Moorlag, SJCFM;Charlotte de Bree, L;Mourits, VP;Matzaraki, V;Koopman, WJH;van de Veerdonk, FL;Renieris, G;Giera, M;Giamarellos-Bourboulis, EJ;Novakovic, B;Domínguez-Andrés, J; Dimethyl itaconate induces long-term innate immune responses and confers protection against infection Cell reports 2023-06-16 [PMID: 37330914] ( Human)  Human
V Klück, G Cab?u, L Mies, F Bukkems, L van Emst, R Bakker, A van Caam, HINT conso, TO Cri?an, LAB Joosten TGF-beta is elevated in hyperuricemic individuals and mediates urate-induced hyperinflammatory phenotype in human mononuclear cells Arthritis Research & Therapy, 2023-02-27;25(1):30. 2023-02-27 [PMID: 36850003] (Human) Human
LU Teufel, CI van der Ma, V Klück, A Simons, A Hoischen, V Vernimmen, LAB Joosten, RJW Arts Effect of exogenous IL-37 on immune cells from a patient carrying a potential IL37 loss-of-function variant: A case study Cytokine, 2022-12-05;162(0):156102. 2022-12-05 [PMID: 36476991] (Human) Human
FE Rossi, AJ Maldonado, JM Cholewa, SLG Ribeiro, CA de Araújo, C Figueiredo, T Reichel, K Krüger, FS Lira, LG Minuzzi Exercise training-induced changes in immunometabolic markers in youth badminton athletes Scientific Reports, 2022-09-15;12(1):15539. 2022-09-15 [PMID: 36109571] (Human) Human
Show All 32 Publications.

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Bioinformatics

Gene Symbol IL1RN