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Intra-Assay PrecisionInter-Assay Precision
Sample123123
n161616242424
Mean (pg/ml)1911701527417916995098
Standard deviation13.56100.36358.6313.43108.74433.33
CV (%)7.1%5.9%6.8%7.5%6.4%8.5%

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Concentration (pg/ml)015631262512502500500010000
O.D.0.0520.1230.2550.4620.7751.3431.7692.094

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Key=immunogen, value=Expression system for standard: NS0; Immunogen sequence: L21-L412
Key=storage, value=Store at 4°C for 6 months. (Ships with gel ice, can store for up to 3 days in room temperature. Refrigerate upon receipt.)
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LotsLot 1 (pg/ml)Lot 2 (pg/ml)Lot 3 (pg/ml)Lot 4 (pg/ml)Mean (pg/ml)Standard DeviationCV (%)
Sample 119120122621720911.485.5%
Sample 21701181416951596170276.574.5%
Sample 352745267480649775081157.513.1%
*number of samples for each test n=16.
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Human Cathepsin D PicoKine® Quick ELISA Kit

Cathepsin D ELISA kit, 90-minute one-step protocol

Human Cathepsin D PicoKine® Quick ELISA Kit (90 minutes, 96 Tests). Quantitate Human CTSD in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Product Info Summary

SKU: FEK0672
Size: 96 wells/kit, with removable strips.
Reactive Species: Human
Application: ELISA
Sample Types: cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA)
Assay Time: 90 Minutes

How Quick Picokine(R) ELISA kits work: Get data in 90 minutes

how-elisa-kits-work

Product Name

Human Cathepsin D PicoKine® Quick ELISA Kit

See all Cathepsin D products

SKU/Catalog Number

FEK0672

Size

96 wells/kit, with removable strips.

*Question: How many samples can I assay/run in this kit?

Description

Human Cathepsin D PicoKine® Quick ELISA Kit (90 minutes, 96 Tests). Quantitate Human CTSD in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml. The brand Picokine indicates this is a premium quality ELISA kit. Each Picokine kit delivers precise quantification, high sensitivity, and excellent reproducibility. Only our most reliable and effective kits qualify as Picokine, guaranteeing top-tier results for your assays.

Storage & Handling

Store at 4°C for 6 months. (Ships with gel ice, can store for up to 3 days in room temperature. Refrigerate upon receipt.)

Cite This Product

Human Cathepsin D PicoKine® Quick ELISA Kit (Boster Biological Technology, Pleasanton CA, USA, Catalog # FEK0672)

Clonality of Antibodies

See Datasheet for details

Standard Protein

Expression system for standard: NS0; Immunogen sequence: L21-L412

Sensitivity

<10 pg/ml

Assay Range

156 pg/ml - 10,000 pg/ml

Standard Dilution Instructions

serial dilution instructions image

See datasheet of FEK0672 for more details

Cross Reactivity

There is no detectable cross-reactivity with other relevant proteins.

Reactive Species

FEK0672 is reactive to CTSD in Human samples

Validated Sample Types

cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA)

Application Guarantee

FEK0672 is guaranteed for ELISA in Human by Boster Guarantee

See how Boster Bio validate our ELISA kits: ELISA Validation Information

Background of Cathepsin D

Cathepsin D is a protein that in humans is encoded by the CTSD gene. This proteinase is a member of the peptidase C1 family, having a specificity similar to but narrower than that of pepsin A. It is mapped to 11p15.5. The cDNA encodes a 412-amino acid protein with 20 and 44 amino acids in a pre- and prosegment, respectively. Cathepsin D is one of the lysosomal proteinases. It is ubiquitously expressed and is involved in proteolytic degradation, cell invasion, and apoptosis. Mutations in this gene are involved in the pathogenesis of several diseases, including breast cancer and possibly Alzheimer disease and it has been considered as a breast cancer tumor marker.

Kit Components

Catalog numberDescription QuantityVolume
FEK0672-CAPAnti-tag Pre-coated 96-well Strip Microplate 112 strips of 8 wells
EK0672-STHuman Cathepsin D Standard 2 10 ng/tube
FEK0672-AHuman CTSD Antibody A 1 3ml
FEK0672-BHuman CTSD Antibody B 1 3ml
AR1106-1Sample Diluent 1 15ml
AR1106-7TBS-T Wash Buffer (25x) 1 12ml
AR1104Color Developing Reagent (TMB) 1 10ml
AR1105Stop Solution 1 10ml
PLA-SEAAdhesive Plate Sealers 2 Piece

*The kit components are not available for individual purchase.

Materials Required But Not Included In Kit

  • Microplate Reader capable of reading absorbance at 450nm.
  • Automated plate washer (optional)
  • Pipettes and pipette tips capable of precisely dispensing 0.5 µl through 1 ml volumes of aqueous solutions.
  • Multichannel pipettes are recommended for large amount of samples.
  • Deionized or distilled water.
  • 500ml graduated cylinders.
  • Test tubes for dilution.
  • Horizontal orbital microplate shaker capable of maintaining a speed of 500 rpm, amplitude 3mm.

Validation Standard Curve O.D. At 450nm

Concentration (pg/ml)015631262512502500500010000
O.D.0.0520.1230.2550.4620.7751.3431.7692.094

Data Example Images

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Human Cathepsin D PicoKine® Quick ELISA Kit within the same batch/lot to ensure the consistency of the kits' performances. ELISA intra assay consistency is measured using wells from the same plate/assay kit. ELISA inter assay consistency is measured using wells from different plates from the same batch production/lot.

Intra-Assay PrecisionInter-Assay Precision
Sample123123
n161616242424
Mean (pg/ml)1911701527417916995098
Standard deviation13.56100.36358.6313.43108.74433.33
CV (%)7.1%5.9%6.8%7.5%6.4%8.5%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of Cathepsin D in ELISA kits from four different production batches/lots.

LotsLot 1 (pg/ml)Lot 2 (pg/ml)Lot 3 (pg/ml)Lot 4 (pg/ml)Mean (pg/ml)Standard DeviationCV (%)
Sample 119120122621720911.485.5%
Sample 21701181416951596170276.574.5%
Sample 352745267480649775081157.513.1%
*number of samples for each test n=16.

Gene/Protein Information For CTSD (Source: Uniprot.Org, NCBI)

Gene Name

CTSD

Full Name

Cathepsin D

Weight

44.552kDa

Superfamily

peptidase A1 family

Alternative Names

cathepsin D (lysosomal aspartyl protease); Cathepsin D; CPSD; CTSD; EC 3.4.23; EC 3.4.23.5; lysosomal aspartyl peptidase; lysosomal aspartyl protease; MGC2311; neuronal 10 CTSD CLN10, CPSD, HEL-S-130P cathepsin D cathepsin D|ceroid-lipofuscinosis, neuronal 10|epididymis secretory sperm binding protein Li 130P|lysosomal aspartyl peptidase|lysosomal aspartyl protease

*if product is indicated to react with multiple species, protein info is based on the gene entry specified above in "species".

For more info on CTSD, check out the CTSD Infographic

CTSD infographic

We have 30,000+ of these available, one for each gene! check them out.

In this infographic you will see the following information for CTSD: database IDs, super-family, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact us [email protected].

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