Human Cathepsin E PicoKine™ ELISA Kit
|Size||96wells/kit, with removable strips.|
|Sample Type||cell culture supernates, cell lysates, serum and plasma (heparin, EDTA).|
|Product Name||Human Cathepsin E PicoKine™ ELISA Kit|
|Storage & Handling||Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles(Shipped with wet ice.)|
|Size||96wells/kit, with removable strips.|
|Description||Sandwich High Sensitivity ELISA kit for Quantitative Detection of Human Cathepsin E. 96wells/kit, with removable strips.|
|Cite This Product||Human Cathepsin E PicoKine™ ELISA Kit (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK1306)|
|Sample Type||cell culture supernates, cell lysates, serum and plasma (heparin, EDTA)..
Anticoagulant(s): heparin or EDTA
*The recommended anticoagulants are proven to not block the antibody binding sites on the target antigen. Please do not collect blood sample with other anticoagulants thata are not specified above or contact us to check for feasibility.
|Immunogen||Expression system for standard: NSO; Immunogen sequence: Q18-P396|
|Cross Reactivity||There is no detectable cross-reactivity with other relevant proteins.|
|EK1306-CAP||96-well plate precoated with anti-Human CTSE antibody||1|
|EK1306-ST||lyophilized recombinant Human CTSE standard||10ng/tube|
|EK1306-DA||biotinylated anti-Human CTSE antibody||130ul(dilution 1:100)|
|AR1103||Avidin-Biotin-Peroxidase Complex(ABC)||130ul(dilution 1:100)|
|AR1106-1||sample diluent buffer||30ml|
|AR1106-2||antibody diluent buffer||12ml|
|AR1106-3||ABC diluent buffer||12ml|
|AR1104||TMB color developing agent||10ml|
|AR1105||TMB stop solution||10ml|
Materials Required But Not Provided
- Microplate reader in standard size.
- Automated plate washer.
- Adjustable pipettes and pipette tips. Multichannel pipettes are recommended in the condition of large amount of samples in the detection.
- Clean tubes and Eppendorf tubes.
- Washing buffer (neutral PBS or TBS).
- Preparation of 0.01M TBS: Add 1.2g Tris, 8.5g NaCl; 450μl of purified acetic acid or 700μl of concentrated hydrochloric acid to 1000ml H2
- Preparation of 0.01 M PBS: Add 8.5g sodium chloride, 1.4g Na O and adjust pH to 7.2-7.
Typical Data Obtained from Human Cathepsin E PicoKine™ ELISA Kit
(TMB reaction incubate at 37°C for 20-25min)
Intra/Inter Assay Precision
|Intra-Assay Precision||Inter-Assay Precision|
Three samples with differing target protein concentrations were assayed using four different lots to measure the CV% lot to lot variance.
To assay reproducibility, three samples with differing target protein concentrations were assayed using four different lots.
|Lots||Lot1 (pg/ml)||Lot2 (pg/ml)||Lot3 (pg/ml)||Lot4 (pg/ml)||Mean (pg/ml)||Standard Deviation||CV (%)|
*The typical data is obtained from Boster's internal QC result and for reference only. It may differ from the lab test results of the end users. It is more important that the user's lab test results reflect the same linearity demonstrated in the typical data than achieving exactly the same O.D. values.
Protein Target Info (Source: Uniprot.org)
|Protein Name||Cathepsin E|
|Tissue Specificity||Expressed abundantly in the stomach, the Clara cells of the lung and activated B-lymphocytes, and at lower levels in lymph nodes, skin and spleen. Not expressed in resting B- lymphocytes. .|
|Alternative Names||Cathepsin E;22.214.171.124;Cathepsin E form I;Cathepsin E form II;CTSE;|
|Subcellular Localization||Endosome . The proenzyme is localized to the endoplasmic reticulum and Golgi apparatus, while the mature enzyme is localized to the endosome.|
|Molecular Weight||43312 MW|
*if product is indicated to react with multiple species, protein info is based on the human gene.
|Protein Function||May have a role in immune function. Probably involved in the processing of antigenic peptides during MHC class II-mediated antigen presentation. May play a role in activation-induced lymphocyte depletion in the thymus, and in neuronal degeneration and glial cell activation in the brain. .|
|Background||Cathepsin E is a protein that in humans is encoded by the CTSE gene. It is mapped to 1q32.1. The protein encoded by this gene is a gastric aspartyl protease that functions as a disulfide-linked homodimer. This protease, which is a member of the peptidase C1 family, has a specificity similar to that of pepsin A and cathepsin D. It is an intracellular proteinase that does not appear to be involved in the digestion of dietary protein and is found in highest concentration in the surface of epithelial mucus-producing cells of the stomach. Cathepsin E is the first aspartic proteinase expressed in the fetal stomach and is found in more than half of gastric cancers. It appears, therefore, to be an oncofetal antigen, and it also has an important role in immune responses.|
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The 1XTBS can be used if the pH value falls in the range of 7.2-7.6.
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