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Human FGF-19 Quantikine ELISA Kit

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Summary
Reactivity HuSpecies Glossary
Applications ELISA
Conjugate
HRP

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Human FGF-19 Quantikine ELISA Kit Summary

Background
The Quantikine Human FGF-19 Immunoassay is a 4.5 hour solid-phase ELISA designed to measure human FGF-19 in cell culture supernates, serum, and plasma. It contains E. coli-expressed recombinant human FGF-19 and has been shown to accurately quantitate the recombinant factor. Results obtained using natural human FGF-19 showed linear curves that were parallel to the standard curves obt...ained using the Quantikine kit standards. These results indicate that this kit can be used to determine relative mass values for naturally occurring human FGF-19.
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Specificity
Natural and recombinant human FGF-19
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
FGF19

Applications/Dilutions

Dilutions
  • ELISA
Application Notes
No significant interference observed with available related molecules.
Publications
Read Publications using DF1900.

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 FGF-19 Quantikine ELISA Kit

  • FGF19
  • FGF-19
  • fibroblast growth factor 19

Background

The Fibroblast Growth Factor (FGF) family consists of at least 22 highly conserved proteins and are found in many species ranging from C. elegans and Drosophila to humans (1). FGFs are heparin-binding growth factors with a core 120 amino acid (aa) FGF domain that allows for a common tertiary structure. In general, FGFs are expressed during embryonic development and in restricted adult tissues. They act on cells of mesodermal and neuroectodermal origin to regulate diverse physiologic functions including angiogenesis, cell growth, pattern formation, metabolic regulation, cell migration, neurotrophic effects, and tissue repair (2). The activities of the FGF family are mediated by four receptors, FGF R1 through FGF R4 (2). The receptors are transmembrane proteins with a tyrosine kinase domain and are thought to act as classical receptor tyrosine kinases. FGF R5/FGF RL1 has also been described, but lacks the kinase domain and signaling capability (3). 
Human FGF-19 cDNA predicts a 251 aa precursor protein with a 22 aa signal peptide and a 229 aa secreted mature protein with no potential N-linked glycosylation sites (4, 5). It shares approximately 50% aa sequence identity with mouse and rat FGF-15 and 62% aa sequence identity with chicken FGF-19 (4-6). Unlike most FGFs, which bind to and activate more than one FGF receptor, FGF-19 appears to bind only FGF R4 (5). Receptor binding is capable of activating MAP Kinase and inducing the Prolactin promoter (7). FGF-19 has two putative disulfide bonds, one of which is conserved in the FGF family (8). Uniquely, it also has an extended loop structure that may affect heparan sulfate binding (8). 
The functional roles of FGF-19 continue to be elucidated and include developmental, metabolic, and tumorigenic activities. During chick embryogenesis, FGF-19 has been shown to act synergistically with Wnt-8c to initiate inner ear development (6). However, the mouse FGF-19 ortholog, FGF-15, is not required for this activity (9). FGF-19 is also expressed in the embryonic chicken eye where it may play a role in lens development (10). Questions regarding the functions of human FGF-19 have been addressed using ectopic expression. Transgenic over-expression of human FGF-19 in mice results in tumor formation, increased energy expenditure, decreased adiposity, and a resistance to weight gain in response to a high fat diet (11, 12). Similar affects have been observed in mice treated intravenously with recombinant FGF-19 (13).

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⚠ 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.

Publications for FGF-19 (DF1900)(37)

We have publications tested in 1 confirmed species: Human.


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Human
(37)
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Showing Publications 1 - 10 of 37. Show All 37 Publications.
Publications using DF1900 Applications Species
Oostveen, RF;Kaiser, Y;Hartgers, ML;Meessen, ECE;Grefhorst, A;Hovingh, GK;Kuipers, F;Stroes, ESG;Groen, AK;Reeskamp, LF; Ursodeoxycholic Acid for Trans Intestinal Cholesterol Excretion Stimulation: A Randomized Placebo Controlled Crossover Study Journal of the American Heart Association 2024-10-15 [PMID: 39377212] (Human) Human
Wahlström, A;Aydin, Ö;Olsson, LM;Sjöland, W;Henricsson, M;Lundqvist, A;Marschall, HU;Franken, R;van de Laar, A;Gerdes, V;Meijnikman, AS;Hofsø, D;Groen, AK;Hjelmesæth, J;Nieuwdorp, M;Bäckhed, F; Alterations in bile acid kinetics after bariatric surgery in patients with obesity with or without type 2 diabetes EBioMedicine 2024-08-02 [PMID: 39096744] (Human) Human
Xue, T;Wang, X;Pan, X;Liu, M;Xu, F; PTX promotes breast cancer migration and invasion by recruiting ATF4 to upregulate FGF19 Cellular signalling 2024-07-23 [PMID: 39053672] (Human) Human
Christidis, G;Küppers, F;Karatayli, SC;Karatayli, E;Weber, SN;Lammert, F;Krawczyk, M; Skin advanced glycation end-products as indicators of the metabolic profile in diabetes mellitus: correlations with glycemic control, liver phenotypes and metabolic biomarkers BMC endocrine disorders 2024-03-05 [PMID: 38443880] (Human) Human
Goralska, J;Razny, U;Gruca, A;Zdzienicka, A;Micek, A;Dembinska-Kiec, A;Solnica, B;Malczewska-Malec, M; Plasma Cytokeratin-18 Fragment Level Reflects the Metabolic Phenotype in Obesity Biomolecules 2023-04-14 [PMID: 37189422] (Human) Human
RO Ali, GM Quinn, R Umarova, JA Haddad, GY Zhang, EC Townsend, L Scheuing, KL Hill, M Gewirtz, S Rampertaap, SD Rosenzweig, AT Remaley, JM Han, V Periwal, H Cai, PJ Walter, C Koh, EB Levy, DE Kleiner, O Etzion, T Heller Longitudinal multi-omics analyses of the gut-liver axis reveals metabolic dysregulation in hepatitis C infection and cirrhosis Nature Microbiology, 2022-12-15;0(0):. 2022-12-15 [PMID: 36522461] (Human) Human
X Yuan, R Wang, B Han, C Sun, R Chen, H Wei, L Chen, H Du, G Li, Y Yang, X Chen, L Cui, Z Xu, J Fu, J Wu, W Gu, Z Chen, X Fang, H Yang, Z Su, J Wu, Q Li, M Zhang, Y Zhou, L Zhang, G Ji, F Luo Functional and metabolic alterations of gut microbiota in children with new-onset type 1 diabetes Nature Communications, 2022-10-26;13(1):6356. 2022-10-26 [PMID: 36289225] (Human) Human
S Sydor, C Dandyk, J Schwerdt, P Manka, D Benndorf, T Lehmann, K Schallert, M Wolf, U Reichl, A Canbay, LP Bechmann, R Heyer Discovering Biomarkers for Non-Alcoholic Steatohepatitis Patients with and without Hepatocellular Carcinoma Using Fecal Metaproteomics International Journal of Molecular Sciences, 2022-08-09;23(16):. 2022-08-09 [PMID: 36012106] (Human) Human
JY Guo, HH Chen, WJ Lee, SC Chen, SD Lee, CY Chen Fibroblast Growth Factor 19 and Fibroblast Growth Factor 21 Regulation in Obese Diabetics, and Non-Alcoholic Fatty Liver Disease after Gastric Bypass Nutrients, 2022-02-02;14(3):. 2022-02-02 [PMID: 35277004] (Human) Human
N Memon, CW Lee, A Herdt, BI Weinberger, T Hegyi, MO Carayannop, LM Aleksunes, GL Guo, IJ Griffin Suppression of Bile Acid Synthesis in a Preterm Infant Receiving Prolonged Parenteral Nutrition Journal of clinical and experimental hepatology, 2021-04-13;12(1):200-203. 2021-04-13 [PMID: 35068799] (Human) Human
Show All 37 Publications.

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Bioinformatics

Gene Symbol FGF19