Rat Cystatin C,Cys-C ELISA Kit

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Product Details

Target Name
cystatin C
Alternative Names
Cst3 ELISA Kit; Cystatin-C ELISA Kit; Cystatin-3 ELISA Kit
Abbreviation
Uniprot No.
Species
Rattus norvegicus (Rat)
Sample Types
serum, plasma, homogenates.
Detection Range
0.312 ng/ml-20 ng/ml
Sensitivity
0.078 ng/ml
Assay Time
1-5h
Sample Volume
50-100ul
Detection Wavelength
450 nm
Research Area
Cardiovascular
Assay Principle
quantitative
Measurement
Sandwich
Precision

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.

 

Intra-Assay Precision

Inter-Assay Precision

Sample

1

2

3

1

2

3

n

20

20

20

20

20

20

Mean(ng/ml)

2.490

2.550

2.588

2.467

2.527

2.555

SD

0.031

0.039

0.046

0.041

0.048

0.056

CV(%)

3.407

4.225

4.941

4.530

5.229

6.061

Linearity

To assess the linearity of the assay, samples were spiked with high concentrations of rat Cys-C 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)

1:2

Average %

96

Range %

93-99

1:4

Average %

93

Range %

90-96

1:8

Average %

96

Range %

91-104

1:16

Average %

92

Range %

89-95

Recovery

The recovery of rat Cys-C 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)

93

89-97

EDTA plasma (n=4)

94

90-98

Typical Data

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

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ng/ml

OD1

OD2

Average

Corrected

20

2.564

2.587

2.576

2.404

10

1.923

1.934

1.929

1.757

5

1.329

1.368

1.349

1.177

2.5

0.912

0.937

0.925

0.753

1.25

0.582

0.598

0.590

0.418

0.625

0.412

0.436

0.424

0.252

0.312

0.311

0.317

0.349

0.177

0

0.170

0.174

0.172

 

Troubleshooting
and FAQs
Storage
Store at 2-8°C. Please refer to protocol.
Shelf Life
6 months
Lead Time
3-5 working days after you place the order, and it takes another 3-5 days for delivery via DHL or FedEx.
Description

This Rat CST3 ELISA Kit was designed for the quantitative measurement of Rat CST3 protein in serum, plasma, homogenates.. It is a Sandwich ELISA kit, its detection range is 0.312 ng/ml-20 ng/ml and the sensitivity is 0.078 ng/ml.

Citations

Customer Reviews and Q&A

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Target Background

Function
(From Uniprot)
As an inhibitor of cysteine proteinases, this protein is thought to serve an important physiological role as a local regulator of this enzyme activity. Known to inhibit cathepsin B, H, and L.
Gene References into Functions
  1. Tanshinone IIA protects against cardiac hypertrophy in spontaneously hypertensive rats by inhibiting the Cys-C/Wnt signaling pathway. PMID: 28053285
  2. These results indicate that Cd increases the urinary excretion of cystatin C, and they suggest that this effect may involve disruption of megalin-mediated uptake of cystatin C by epithelial cells of the proximal tubule. PMID: 26715107
  3. High cystatin C is associated with proteinuria. PMID: 21551085
  4. Triiodothyronine-induced increase in the production of cystatin C may be related to an increased cell metabolism and proteolysis control demand. PMID: 22360852
  5. CysC plays a protective role under conditions of neuronal challenge by inducing autophagy via mTOR inhibition PMID: 20352108
  6. Oxidants induce elevated cystatin C production from cardiac myocytes. Cystatin C plays a role in cardiac extracellular matrix remodelling. PMID: 20489058
  7. We found several novel glycoforms of cystatin c in rat hippocampal stem cells, suggesting that N- and O-linked glycans with sialic acid are attached to cystatin C. PMID: 15197734
  8. These results demonstrate that cystatin C has protective effects against various oxidative stresses that induce cell death. PMID: 16140167
  9. endometrial expression of the cysteine protease inhibitor, Cst3, is modulated by estrogen during the peri-implantation period PMID: 16935259
  10. These studies suggest alternate pathways and potential therapeutic targets of cell death associated with oxidative stress, CC, and lysosomal dysregulation. PMID: 17241700
  11. Finally, in vivo studies using kidney-specific megalin knockout mice provide evidence that megalin mediates proximal tubular uptake of cystatin C. We conclude that megalin is an endocytic receptor of cystatin C in PTC. PMID: 17462596

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Subcellular Location
Secreted.
Protein Families
Cystatin family
Database Links
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