Rat Cystatin C ELISA Kit is a single-wash 90-min SimpleStep ELISA® for the quantitative measurement of Rat Cystatin C in Tissue Extracts, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma samples.
Colorimetric
Tissue Extracts, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma
Sandwich (quantitative)
Rat
23.4 - 1500 pg/mL
1h 30m
= 11.72 pg/mL
Application | Reactivity | Dilution info | Notes |
---|---|---|---|
Application sELISA | Reactivity Reacts | Dilution info - | Notes - |
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.
Cystatin-C, Cystatin-3, Cst3
Rat Cystatin C ELISA Kit is a single-wash 90-min SimpleStep ELISA® for the quantitative measurement of Rat Cystatin C in Tissue Extracts, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma samples.
Colorimetric
Tissue Extracts, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma
Sandwich (quantitative)
Rat
23.4 - 1500 pg/mL
1h 30m
Microplate
= 11.72 pg/mL
Sample | n | mean | SD | C.V. |
---|---|---|---|---|
Sample Cystatin C | n 8 | mean - | SD - | C.V. 2.95 |
Sample | n | mean | SD | C.V. |
---|---|---|---|---|
Sample Cystatin C | n 3 | mean - | SD - | C.V. 3.52 |
Sample type | Average % | Range |
---|---|---|
Sample type Serum | Average % = 113 | Range 111 - 114 % |
Sample type EDTA Plasma | Average % = 115 | Range 108 - 119 % |
Sample type Citrate plasma | Average % = 112 | Range 109 - 116 % |
Sample type Cell culture media | Average % = 110 | Range 107 - 116 % |
Blue Ice
+4°C
+4°C
Rat Cystatin C ELISA Kit (ab201281) is a single-wash 90 min sandwich ELISA designed for the quantitative measurement of Cystatin C protein in cell culture supernatant, cit plasma, edta plasma, serum, and tissue extracts. It uses our proprietary SimpleStep ELISA® technology. Quantitate Rat Cystatin C with 11.72 pg/ml sensitivity.
SimpleStep ELISA® technology employs capture antibodies conjugated to an affinity tag that is recognized by the monoclonal antibody used to coat our SimpleStep ELISA® plates. This approach to sandwich ELISA allows the formation of the antibody-analyte sandwich complex in a single step, significantly reducing assay time. See the SimpleStep ELISA® protocol summary in the image section for further details. Our SimpleStep ELISA® technology provides several benefits:
- Single-wash protocol reduces assay time to 90 minutes or less
- High sensitivity, specificity and reproducibility from superior antibodies
- Fully validated in biological samples
- 96-wells plate breakable into 12 x 8 wells strips
A 384-well SimpleStep ELISA® microplate (Pre-coated 384 well Microplate SimpleStep ELISA® ab203359) is available to use as an alternative to the 96-well microplate provided with SimpleStep ELISA® kits.
Cystatin C, which belongs to the type II cystatin gene family, is a potent inhibitor of lysosomal proteinases. It is expressed in many organs of the body, and is an important extracellular inhibitor of cysteine proteases. As an inhibitor of cysteine proteinases, this protein is thought to serve an important physiological role as a local regulator of this enzyme activity.
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Rat Cystatin C standard curve comparison data.
Standard curve comparison between rat Cystatin C SimpleStep ELISA® kit and traditional ELISA kit from leading competitor. SimpleStep ELISA kit shows comparable sensitivity.
Example of Cystatin C standard curve in Sample Diluent NS.
Background-subtracted data values (mean +/- SD) are graphed.
Titration of rat serum, citrate plasma, and EDTA plasma within the working range of the assay.
The 1X dilution was 0.2% for serum, and 0.4% for citrate and EDTA plasma. Interpolated data values (mean +/- SD, n = 2) are graphed.
Titration of rat Cystatin C expression in brain and heart tissue extracts.
The 1X dilution for the brain extract was an extract load of 15.6 μg/mL, and a load of 125 μg/mL for the heart extract.
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