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人 Cystatin B / CSTB ELISA Kit

  • Human Cystatin B / CSTB ELISA Kit, TYPICAL DATA
  • Human Cystatin B / CSTB ELISA Kit, SPECIFICITY
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檢測原理
Solid Phase Sandwich ELISA
預期用途
For the quantitative determination of Human Cystatin B / CSTB concentration in serum.
The use of this kit for other sample types need be validated by the end user due to the complexity of natural targets and unpredictable interference.
線性範圍
15.63-1000 pg/mL
靈敏度
The minimum detectable dose of Human Cystatin B / CSTB is typically less than 5.8 pg/mL. The MDD was determined by adding three standard deviations to the mean optical density value of twenty zero standard replicates and calculating the corresponding concentration.
試劑盒組分
1. 96 well microplate coated with Capture Antibody
2. Detection Antibody conjugated to HRP
3. Standards
4. Wash Buffer Concentrate
5. Dilution Buffer Concentrate
6. Color Reagent A
7. Color Reagent B
8. Stop Solution
儲存方法
Unopened Kit: Store at 2 - 8℃
Opened/Reconstituted Reagents: Please refer to CoA
 CSTB ELISA Kit Standard Curve
Human Cystatin B / CSTB ELISA Kit, TYPICAL DATA
[點擊查看大圖]
Caption:
This standard curve is only for demonstration purposes. A standard curve should be generated for each assay.
 CSTB ELISA Kit Specificity
Human Cystatin B / CSTB ELISA Kit, SPECIFICITY
[點擊查看大圖]
Caption:
This assay recognizes both recombinant and natural Human CSTB. The factors listed above were prepared at 50 ng/mL in dilution buffer and assayed for cross-reactivity. No cross-reactivity was observed.
Preparations of DPP7 at 10 ng/mL in a mid-range recombinant human CSTB control were assayed for interference. No significant interference was observed.

Cystatin B / CSTB 研究背景

Cystatin-B, also known as CPI-B, Liver thiol proteinase inhibitor, Stefin-B, CSTB and CST6, is a cytoplasm and nucleus protein which belongs to the cystatin family. Cystatin-B / CSTB is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B. Cystatin-B / CSTB is able to form a dimer stabilized by noncovalent forces, inhibiting papain and cathepsins l, h and b. Cystatin-B / CSTB is also thought to play a role in protecting against the proteases leaking from lysosomes. Defects in Cystatin-B / CSTB are the cause of progressive myoclonic epilepsy type 1 (EPM1) which is an autosomal recessive disorder characterized by severe, stimulus-sensitive myoclonus and tonic-clonic seizures. The cystatins are a family of cysteine protease inhibitors with homology to chicken cystatin. Cystatins are physiological inhibitors of cysteine proteinases which are widely distributed in human tissues and fluids. Cystatins typically comprise about 115 amino acids, are largely acidic, contain four conserved cysteine residues known to form two disulfide bonds. Cystatins may be glycosylated and / or phosphorylated, with similarity to fetuins, kininogens, stefins, histidine-rich glycoproteins and cystatin-related proteins. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired inhibitory activity. Cystatins mainly inhibit peptidases belonging to peptidase families C1 (papain family) and C13 (legumain family).

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貨號: KIT10435-1
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Datasheet & Documentation

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