Rat Interleukin 13,IL-13 ELISA KIT

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Name: Rat Interleukin 13,IL-13 ELISA KIT
Brand: CUSABIO
SKU: CSB-E07454r

Product Details

Description

The product CSB-E07454r is a ready-to-use microwell, strip plate ELISA Kit for quantitative analysis of rat interleukin 13(IL-13)in biological samples, including serum, plasma, cell culture supernates, and tissue homogenates. Based on the Sandwich-ELISA technique in combination with the enzyme-substrate chromogenic reaction, the color intensity is proportional tothe amount of IL-13 bound in the initial step. IL-13 levels can be calculated according to the standard curve.

This rat IL-13 ELISA Kit has been verified by multiple tests with high sensitivity, strong specificity, precision less than 10%, high recovery, and lot-to-lot consistency.

IL-13 is a pleiotropic cytokine produced by activated Th2 cells, lymphoid cells (ILC2s), mast cells, eosinophils, basophils, macrophages, and B cells. It acts through the IL-13Ra1/IL-4Ra complex to induce activation responses which contribute to the inflammatory diseases. IL-13 and the closely related cytokine IL-4 shares many immunoregulatory functions, including regulation of antibody production and inflammation. It acts as a central mediator in allergy and antihelminth defense with various effects. Besides, IL-13 also mediates goblet cell hyperplasia, airway smooth muscle contractility, collagen deposition, and fibrosis.

Target Name

interleukin 13

Alternative Names

Il13 ELISA Kit; Il-13 ELISA Kit; Interleukin-13 ELISA Kit; IL-13 ELISA Kit; T-cell activation protein P600 ELISA Kit

Abbreviation

IL13

Uniprot No.

P42203

Species

Rattus norvegicus (Rat)

Sample Types

serum, plasma, cell culture supernates, tissue homogenates

Detection Range

7.8 pg/mL-500 pg/mL

Sensitivity

1.95 pg/mL

Assay Time

1-5h

Sample Volume

50-100ul

Detection Wavelength

450 nm

Research Area

Immunology

Assay Principle

quantitative

Measurement

Sandwich

Precision

Linearity

To assess the linearity of the assay, samples were spiked with high concentrations of rat IL-13 in various matrices and diluted with the Sample Diluent to produce samples with values within the dynamic range of the assay.
	Sample	Serum(n=4)
1:1	Average %	91
	Range %	88-93
1:2	Average %	104
	Range %	99-107
1:4	Average %	93
	Range %	88-97
1:8	Average %	99
	Range %	91-103

Recovery

The recovery of rat IL-13 spiked to levels throughout the range of the assay in various matrices was evaluated. Samples were diluted prior to assay as directed in the Sample Preparation section.

Sample Type	Average % Recovery	Range
Serum (n=5)	95	89-98
EDTA plasma (n=4)	94	91-96

Typical Data

These standard curves are provided for demonstration only. A standard curve should be generated for each set of samples assayed.

pg/ml	OD1	OD2	Average	Corrected
500	1.854	1.766	1.810	1.727
250	1.117	1.106	1.112	1.029
125	0.728	0.743	0.736	0.653
62.5	0.517	0.534	0.526	0.443
31.2	0.303	0.312	0.308	0.225
15.6	0.210	0.202	0.206	0.123
7.8	0.171	0.164	0.168	0.085
0	0.084	0.082	0.083

Materials provided

A micro ELISA plate --The 96-well plate has been pre-coated with an anti-rat IL-13 antibody. This dismountable microplate can be divided into 12 x 8 strip plates.
Two vials lyophilized standard --Dilute a bottle of the standard at dilution series, read the OD values, and then draw a standard curve.
One vial Biotin-labeled IL-13 antibody (100 x concentrate) (120 μl/bottle) --Act as the detection antibody.
One vial HRP-avidin (100 x concentrate) (120 μl/bottle) --Bind to the detection antibody and react with the TMB substrate to make the solution chromogenic.
One vial Biotin-antibody Diluent (15 ml/bottle) --Dilute the high concentration Biotin-antibody to an appropriate working solution.
One vial HRP-avidin Diluent (15 ml/bottle) --Dilute the high concentration HRP-avidin solution to an appropriate solution.
One vial Sample Diluent (50 ml/bottle)--Dilute the sample to an appropriate concentration.
One vial Wash Buffer (25 x concentrate) (20 ml/bottle) --- Wash away unbound or free substances.
One vial TMB Substrate (10 ml/bottle) --Act as the chromogenic agent. TMB interacts with HRP, eliciting the solution turns blue.
One vial Stop Solution (10 ml/bottle) --Stop the color reaction. The solution color immediately turns from blue to yellow.
Four Adhesive Strips (For 96 wells) --Cover the microplate when incubation.
An instruction manual

Materials not provided

A microplate reader capable of measuring absorbance at 450 nm, with the correction wavelength set at 540 nm or 570 nm.
An incubator can provide stable incubation conditions up to 37°C±5°C.
Centrifuge
Vortex
Squirt bottle, manifold dispenser, or automated microplate washer
Absorbent paper for blotting the microtiter plate
50-300ul multi-channel micropipette
Pipette tips
Single-channel micropipette with different ranges
100ml and 500ml graduated cylinders
Deionized or distilled water
Timer
Test tubes for dilution

Troubleshooting
and FAQs

ELISA kit FAQs

Storage

Store at 2-8°C. Please refer to protocol.

Lead Time

3-5 working days

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Target Data

Function	Cytokine. Inhibits inflammatory cytokine production. Synergizes with IL2 in regulating interferon-gamma synthesis. May be critical in regulating inflammatory and immune responses. Positively regulates IL31RA expression in macrophages.
Gene References into Functions	SUMF2 may mediate airway inflammation in allergic asthma by modulating the expression of IL-13 PMID: 26722390 IL-13 significantly enhanced C/EBP-alpha/COX-2 expression and PGE2 production in LPS-treated microglial cells. Paradoxically, IL-13 abolished C/EBP-beta/PPAR-gamma/HO-1 expression. PMID: 23881867 asthma the ERK expression and activation levels were increased, as was the protein level of IL-13. The ERK signaling pathway may be involved in the increased expression of the Th2 cytokine IL-13 in asthma. PMID: 20819635 The IL-13 system is a novel regulator of paSMC growth. Dysregulation of IL-13 receptor expression in IPAH may partially underlie smooth muscle hypertrophy associated with pathological vascular remodeling in IPAH. PMID: 20522789 IL-13 is involved in tobacco smoke-induced changes in the structure and function of rat intrapulmonary airways PMID: 19783789 This finding provides an unequivocal evidence of IL-13 participation in pancreatic fibrosis, illustrating a new strategy for chronic pancreatitis. PMID: 20100461 Inhibition of HO-1 with tin protoporphyrin reversed cytoprotective/antiapoptotic effects of IL-13 in liver transplantation. PMID: 12919086 IL-13 may control brain inflammation by inducing the death of activated microglia in vivo, resulting in an enhancement of neuronal survival. PMID: 15042582 study demonstrated at the protein and mRNA levels, both in vivo and in vitro, that alveolar macrophages produce IL-25 and IL-13 in response to fine particles of TiO2 PMID: 15961726 IL-13 overexpression in the rat could lead to podocyte injury and minimal-change-like nephropathy. PMID: 17429054 The findings support a role for IL-13 as an in vivo antiangiogenic factor and provide a rationale for its use in RA to control. pathologic neovascularization. PMID: 17665443 IL-13 down-regulates the cytokine-induced iNOS transcription by decreasing iNOS specific IRF-1/ISRE binding activity PMID: 17723228 expression decreased in lung in response to alcohol exposure PMID: 19120067 Endogenous IL-13 triggers microglial NADPH oxidase-derived oxidative stress, leading to degeneration of hippocampal neurons in vivo. PMID: 19752235 Show More Hide All
Subcellular Location	Secreted
Protein Families	IL-4/IL-13 family
Database Links	KEGG: rno:116553 STRING: 10116.ENSRNOP00000010121 UniGene: Rn.9921

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Intra-assay Precision (Precision within an assay): CV%<8%

Three samples of known concentration were tested twenty times on one plate to assess.

Inter-assay Precision (Precision between assays): CV%<10%

Three samples of known concentration were tested in twenty assays to assess.

Code	CSB-E07454r
Size	96T,5×96T,10×96T
Trial Size
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