Human FGF-19 enzyme-linked immunoassay kit

Usd: 499 Special Discount

Specification

96T

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Catalog# EH0140

Human FGF-19 enzyme-linked immunoassay kit

Application

ELISA

Reactivity

Human

Standard curve range

15.63~1000 pg/ml

Overview

Product Name

Human FGF-19 enzyme-linked immunoassay kit

Product Type

Elisa Kit

Sensitivity

0.48 pg/ml (50 μl)；4.11 pg/ml (10 μl)

pg/ml	O.D.		Average	Corrected
0.00	0.0350	0.0324	0.0337
15.63	0.1448	0.1364	0.1406	0.1069
31.25	0.2449	0.2436	0.2443	0.2106
62.50	0.4563	0.4771	0.4667	0.4330
125.00	0.8452	0.8358	0.8405	0.8068
250.00	1.6070	1.5490	1.5780	1.5443
500.00	2.8150	2.8420	2.8285	2.7948
1000.00	4.1933	4.2275	4.2104	4.1767

Precision

	Intra-assay Precision			Inter-assay Precision
Sample Number	S1	S2	S3	S1	S2	S3
Sample Number	22	22	22	6	6	6
Average (pg/ml)	22.6	111.5	323.0	22.1	109.5	329.4
Standard Deviation	1.4	4.5	11.3	0.5	2.6	12.7
Coefficient of Variation (%)	6.3	4.0	3.5	2.1	2.4	3.9

Intra-assay Precision (Precision within an assay) Three samples of known concentration were tested twenty times on one plate to assess intra-assay precision.

Inter-assay Precision (Precision between assays) Three samples of known concentration were tested six times on one plate to assess intra-assay precision.

Spike Recovery

The spike recovery was evaluated by spiking 3 levels of human FGF-19 into health human serum sample. The un-spiked serum was used as blank in this experiment.
The recovery ranged from 86% to 107% with an overall mean recovery of 98%.

Sample Value

Sample Matrix	Sample Evaluated	Range (pg/ml)	Detectable (%)	Mean of Detectable (pg/ml)
Serum	30	19.81-294.45	100	91.01

Serum/Plasma – Thirty samples from apparently healthy volunteers were evaluated for the presence of FGF-19 in this assay. No medical histories were available for the donors.

Experiment Type

Sandwich Elisa

Species Reactivity

Human

Detection Method

Colorimetric

Operation Duration

120min

Standard Curve Gradient

7 Points

Incubation Count

Detectable Sample

Dosing Volume

50 μl/10 μl

Product Features

Storage Condition

Store at 2-8 ℃

Target

UNIPROT

SwissProt: O95750 Human

Alias

FGF 19

FGF-19

FGF15

FGF19

FGF19_HUMAN

Fibroblast growth factor 15

Fibroblast growth factor 19

Function

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. 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. The activities of the FGF family are mediated by four receptors, FGF R1 through FGF R4. 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. 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. It shares approximately 50% aa sequence identity with mouse and rat FGF-15 and 62% aa sequence identity with chicken FGF-19. Unlike most FGFs, which bind to and activate more than one FGF receptor, FGF-19 appears to bind only FGF R4. Receptor binding is capable of activating MAP Kinase and inducing the Prolactin promoter. FGF-19 has two putative disulfide bonds, one of which is conserved in the FGF family. Uniquely, it also has an extended loop structure that may affect heparan sulfate binding. 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. However, the mouse FGF-19 ortholog, FGF-15, is not required for this activity. FGF-19 is also expressed in the embryonic chicken eye where it may play a role in lens development. 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. Similar affects have been observed in mice treated intravenously with recombinant FGF-19.

Human FGF-19 enzyme-linked immunoassay kit

Usd: 499 Special Discount

Specification

Overview

Product Name

Product Type

Sensitivity

Precision

Spike Recovery

Sample Value

Experiment Type

Species Reactivity

Detection Method

Operation Duration

Standard Curve Gradient

Incubation Count

Detectable Sample

Dosing Volume

Product Features

Storage Condition

Target

UNIPROT

Alias

Function

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