Human KLK1/Kallikrein 1 ELISA Kit PicoKine®

Kallikrein 1 ELISA kit for Human

Human KLK1/Kallikrein 1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human KLK1 in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml.

Product Info Summary

SKU: EK0903
Size: 96 wells/kit, with removable strips.
Reactive Species: Human
Application: ELISA
Sample Types: cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA).

Product Name

Human KLK1/Kallikrein 1 ELISA Kit PicoKine®

View all Kallikrein 1 ELISA kits

SKU/Catalog Number

EK0903

Size

96 wells/kit, with removable strips.

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

Description

Human KLK1/Kallikrein 1 ELISA Kit PicoKine™ (96 Tests). Quantitate Human KLK1 in cell culture supernatants, cell lysates, serum and plasma (heparin, EDTA). Sensitivity: 10pg/ml.

Storage & Handling

Store at 4°C for 6 months, at -20°C for 12 months. Avoid multiple freeze-thaw cycles (Ships with gel ice, can store for up to 3 days in room temperature. Freeze upon receiving.)

Cite This Product

Human KLK1/Kallikrein 1 ELISA Kit PicoKine® (Boster Biological Technology, Pleasanton CA, USA, Catalog # EK0903)

Clonality of Antibodies

See Datasheet for details

Immunogen

Expression system for standard: NS0; Immunogen sequence: I25-S262

Sensitivity

<10 pg/ml

Assay Range

156 pg/ml - 10,000 pg/ml

Standard Dilution Instructions

serial dilution instructions image

Add 100ul of sample diluent in well #2-#8. Add 200ul standard stock solution to well #1, and serial dilute for well #2-#7 to make a standard curve row. Leave well #8 as blank See datasheet of EK0903 for more details

Cross-reactivity

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

Reactive Species

EK0903 is reactive to KLK1 in Human samples

Validated Sample Types

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

Application Guarantee

EK0903 is guaranteed for ELISA in Human by Boster Guarantee

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

Background of Kallikrein 1

Kallikrein-1, also known as tissue kallikrein, is a protein that in humans is encoded by the KLK1 gene. This serine protease generates Lys-bradykinin by specific proteolysis of kininogen-1. KLK1 is a member of the peptidase S1 family. Its gene is mapped to 19q13.3. In all, it has got 262-amino acids which contain a putative signal peptide, followed by a short activating peptide and the protease domain. The protein is mainly found in kidney, pancreas, and salivary gland, showing a unique pattern of tissue-specific expression relative to other members of the family. KLK1 is implicated in carcinogenesis and some have potential as novel cancer and other disease biomarkers.

Kit Components

Catalog Number Description Quantity
EK0903-CAP Anti-Human KLK1 Pre-coated 96-well strip microplate 1
EK0903-ST Human KLK1 Standard 2 vials, 10 ng/tube
EK0903-DA Human KLK1 Biotinylated antibody (100x) 100ul
AR1103 Avidin-Biotin-Peroxidase Complex (100x) 100ul
AR1106-1 Sample Diluent 30ml
AR1106-2 Antibody Diluent 12ml
AR1106-3 Avidin-Biotin-Peroxidase Diluent 12ml
AR1104 Color Developing Reagent (TMB) 10ml
AR1105 Stop Solution 10ml
AR1106-5 Wash Buffer (25x) 20ml
PLA-SEA Adhesive plate sealers 4

*The kit components are not available for individual purchase.

Materials Required But Not Included In Kit

  • Microplate Reader capable of reading absorbance at 450nm.
  • Incubator.
  • 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.

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Validation Standard Curve O.D. At 450nm

Concentration (pg/ml)015631262512502500500010000
O.D.0.0190.1140.1680.2880.5270.8611.3862.083

Data Example Images

Recommended Sample Dilution Ratios

According to our internal validation assays using this ELISA kit, to detect Kallikrein 1, Dilution ratio of 1:1, concentration in serum and plasma is 234-476 pg/ml..

Some articles we found to cite concentrations of Kallikrein 1 in samples: 18627300 (Pubmed IDs).

Intra Assay Consistency & Inter Assay Consistency

We measured random samples of Human KLK1/Kallikrein 1 ELISA Kit PicoKine® 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)3041654369728016053442
Standard deviation12.4671.12284.6616.2493.09271.91
CV (%)4.1%4.3%7.7%5.8%5.8%7.9%

Reproducibility

We ensure reproducibility by testing three samples with differing concentrations of Kallikrein 1 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 130430526526528419.756.9%
Sample 216541642140313841520127.498.3%
Sample 336974059407142834027210.595.2%
*number of samples for each test n=16.

Gene/Protein Information For KLK1 (Source: Uniprot.Org, NCBI)

Gene Name

KLK1

Full Name

Kallikrein-1

Weight

28.89kDa

Superfamily

peptidase S1 family

Alternative Names

EC 3.4.21; EC 3.4.21.35; glandular kallikrein 1; hK1; Kallikrein 1; kallikrein 1, renal/pancreas/salivary; kallikrein serine protease 1; kallikrein-1; Kidney/pancreas/salivary gland kallikrein; KLK1; Klk6; KLKR; Tissue kallikrein KLK1 KLKR, Klk6, hK1 kallikrein 1 kallikrein-1|glandular kallikrein 1|kallikrein 1, renal/pancreas/salivary|kallikrein serine protease 1|kidney/pancreas/salivary gland kallikrein|tissue kallikrein

*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 KLK1, check out the KLK1 Infographic

KLK1 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 KLK1: 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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9 Customer Q&As for Human KLK1/Kallikrein 1 ELISA Kit PicoKine®

Question

Q: can you recommend the dilution ratio of serum samples for detection of Kallikrein 1 in Human cell lysates? I am trying to measure a multiple analytes and it requires 100ul of diluted samples for each well. We have limited sample volumes so we like to dilute as much as possible.

G. Sunder

Verified customer

Asked: 2020-12-17

Answer

A: having little idea about the physiological or pathological context of your samples we cannot recommend a dilution ratio without performing a pilot test with your samples. Here is how you can perform a pilot study on your own: perform a serial dilution of your samples on the Kallikrein 1 ELISA kit to make sure you have a linear ascending curve followed by a plateau, which signifies the samples saturating the detection limit of the kit. Then you can pick the dilution ratios from samples in the linear part of the curve as your experimental dilution ratio.
If you are interested in using our ELISA service, you can also send us your sample and we will take care of everything for you. You can check our service details here: bosterbio.com/services/assay-services/ELISA-testing-service
Since you mentioned you have limited samples, our cost effective multiplex ELISA service would fit perfectly for your needs, where we can generate dozens of data points using as little as 25ul sample volume. Information on this service is also in the above link.

Boster Scientific Support

Answered: 2020-12-17

Question

Q: what is the protocol regarding preparation of cell lysates prepared for use in Picokine® ELISA kits?

K. Dhawan

Verified customer

Asked: 2020-09-11

Answer

A: in those Picokine® ELISAs where cell or tissue lysate is a validated sample type, sample preparation instructions for lysate can be found in the product insert. Components in lysate and lysis buffer can effect immunoreactivity, so if lysate is not a validated sample type, care must be taken in sample preparation and validation.

Boster Scientific Support

Answered: 2020-09-11

Question

Q: Are Boster Bio recombinant proteins and antibodies sterile?

Verified Customer

Verified customer

Asked: 2020-04-09

Answer

A: although the vials are bottled using aseptic techniques, heat-treated vials, and sterile stock solutions, they are not considered or guaranteed to be sterile. If sterile material is required for an experiment, the material can be filtered through a 0.2 micron filter designed for use with biological fluids.

Boster Scientific Support

Answered: 2020-04-09

Question

Q: how many samples can be assayed in a Picokine® ELISA Kit?

W. Davis

Verified customer

Asked: 2020-02-25

Answer

A: The Picokine® ELISA Kits will generally run a 7-point standard curve, non-specific binding wells, and 39 samples in duplicate. this may vary slightly by kit so please refer to each datasheet for details.

Boster Scientific Support

Answered: 2020-02-25

Question

Q: Can Kallikrein 1 ELISA Kits be used with tissue homogenates (or other non-validated sample types)?

Verified Customer

Verified customer

Asked: 2019-11-13

Answer

A: Unfortunately, Boster Bio has not routinely validated tissue homogenates as a sample type for ELISA kits. This does not mean that ELISA kits are not valid for other sample types than we have tested: it means further investigation is a must. One will need to perform a spike and recovery study to determine if an unvalidated sample type will work with a particular kit. To perform a spike and recovery experiment, one should divide a sample into two aliquots. In one of the aliquots, the user should spike in a known amount of the kit standard. a dilution series is performed comparing the spiked versus the unspiked sample. Generally, samples with expected recovery and linearity between 80-120% are considered acceptable. This method can be used to validate any sample type that has not been assessd by Boster Bio. for a more detailed spike and recovery protocol, please contact technical support.
Note: acceptable ranges should be determined individually by each laboratory. Additionally, technical support can help determine if a buffer component is not compatible with a given ELISA kit. please view the Citations tab on the product webpage for peer-reviewed papers utilizing a wide range of sample types. We also have an innovator's reward program where if the user validates our ELISA kits in applications or samples previously not validated by Boster Bio or other users, and share such information with us by submit a review, we will reward the user's efforts with a free antibody or ELISA kit from our catalog. Biocompare.com will also give $20 Amazon giftcard as an additional reward, if the review is submitted there as well.

Boster Scientific Support

Answered: 2019-11-13

Question

Q: for how much duration can samples (cell cultures, serum, and plasma) be stored and still be stable for quantification Kallikrein 1 using the EK0903 Human Kallikrein 1 Picokine® ELISA Kit?

T. Chen

Verified customer

Asked: 2019-10-29

Answer

A: Boster Bio does not assess sample stability. Variations in sample collection, processing, and storage may change the stabilityof samples. It is recommend to assay sample immediately after collection when possible, or aliquot into single use volumes and store samples frozen. avoid repeat freeze-thaw cycles with the stored samples to avoid protein degradation.

Boster Scientific Support

Answered: 2019-10-29

Question

Q: how to proceed with the analysis of ELISA data? I measured Kallikrein 1 level in cell lysates.

Verified Customer

Verified customer

Asked: 2017-09-10

Answer

A: please read this article on ELISA data analysis. bosterbio.com/ELISA-data-analysis-instructions. Boster also provides a free tool that you can use to analyze ELISA data. bosterbio.com/biology-research-tools/ELISA-data-analysis-online

Boster Scientific Support

Answered: 2017-09-10

Question

Q: if the enzyme conjugated Kallikrein 1 antibodies are mixed with the substrate, will that change the substrate into the enzymatic reaction product? Or the enzyme function is only activated when the antibody is attached with the Kallikrein 1 antigen?

Verified Customer

Verified customer

Asked: 2017-08-25

Answer

A: The enzyme is always active. Avoid contaminating the substrate with enzyme prior to the incubation otherwise it compromises the assay with false positive signal.

Boster Scientific Support

Answered: 2017-08-25

Question

Q: is there any online tool I can use to streamline the data analysis for my ELISA results?

M. Davis

Verified customer

Asked: 2014-08-22

Answer

A: We have a web based ELISA curve fitting (4pl) and data analysis tool. Please give it a try: bosterbio.com/biology-research-tools/ELISA-data-analysis-online. You can also consult our article on ELISA data analysis: bosterbio.com/ELISA-data-analysis-instructions

Boster Scientific Support

Answered: 2014-08-22

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