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CDKN3 Colorimetric Cell-Based ELISA

SKU:
CBCAB01121
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Cell Cycle
Reactivity:
Human
Mouse
Detection Method:
Colorimetric
€599
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Description

system_update_altDatasheetMSDS

CDKN3 Colorimetric Cell-Based ELISA

The CDKN3 Colorimetric Cell-Based ELISA Kit offered by Assay Genie is designed to accurately measure levels of CDKN3 protein in cell lysates. This kit provides high sensitivity and specificity, ensuring precise and reproducible results for researchers studying cell cycle regulation and related pathways.CDKN3 is a key regulator of cell cycle progression, playing a critical role in controlling the transition from G2 to M phase. Dysregulation of CDKN3 has been linked to various diseases, including cancer, making it an important target for therapeutic interventions.

With the CDKN3 Colorimetric Cell-Based ELISA Kit, researchers can easily and efficiently quantify CDKN3 levels in cell lysates, providing valuable insights into the mechanisms underlying cell cycle regulation and potential therapeutic strategies for diseases associated with CDKN3 dysregulation.

Product Name:CDKN3 Colorimetric Cell-Based ELISA
Product Code:CBCAB01121
ELISA Type:Cell-Based
Target:CDKN3
Reactivity:Human, Mouse
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The CDKN3 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect CDKN3 protein expression profile in cells. The kit can be used for measuring the relative amounts of CDKN3 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on CDKN3.

Qualitative determination of CDKN3 concentration is achieved by an indirect ELISA format. In essence, CDKN3 is captured by CDKN3-specific primary antibodies while the HRP-conjugated secondary antibodies bind the Fc region of the primary antibody. Through this binding, the HRP enzyme conjugated to the secondary antibody can catalyze a colorimetric reaction upon substrate addition. Due to the qualitative nature of the Cell-Based ELISA, multiple normalization methods are needed:

1. A monoclonal antibody specific for human GAPDH is included to serve as an internal positive control in normalizing the target absorbance values.
2. Following the colorimetric measurement of HRP activity via substrate addition, the Crystal Violet whole-cell staining method may be used to determine cell density. After staining, the results can be analysed by normalizing the absorbance values to cell amounts, by which the plating difference can be adjusted.
Database Information:Gene ID: 1033, UniProt ID: Q16667, OMIM: 123832, Unigene: Hs.84113
Gene Symbol:CDKN3
Sub Type:None
UniProt Protein Function:CDKN3: May play a role in cell cycle regulation. Dual specificity phosphatase active toward substrates containing either phosphotyrosine or phosphoserine residues. Dephosphorylates CDK2 at 'Thr-160' in a cyclin-dependent manner. Defects in CDKN3 are found in patients with hepatocellular carcinoma (HCC). Belongs to the protein-tyrosine phosphatase family. 2 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:Motility/polarity/chemotaxis; Protein phosphatase, dual-specificity; EC 3.1.3.16; Cell cycle regulation; EC 3.1.3.48

Chromosomal Location of Human Ortholog: 14q22

Cellular Component: perinuclear region of cytoplasm; cytoplasm

Molecular Function:protein binding; protein tyrosine/serine/threonine phosphatase activity; protein tyrosine phosphatase activity; protein serine/threonine phosphatase activity

Biological Process: negative regulation of cell proliferation; regulation of cyclin-dependent protein kinase activity; cell cycle arrest; G1/S transition of mitotic cell cycle

Disease: Hepatocellular Carcinoma

NCBI Summary:The protein encoded by this gene belongs to the dual specificity protein phosphatase family. It was identified as a cyclin-dependent kinase inhibitor, and has been shown to interact with, and dephosphorylate CDK2 kinase, thus prevent the activation of CDK2 kinase. This gene was reported to be deleted, mutated, or overexpressed in several kinds of cancers. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Aug 2008]
UniProt Code:Q16667
NCBI GenInfo Identifier:2499769
NCBI Gene ID:1033
NCBI Accession:Q16667.1
UniProt Related Accession:Q16667
Molecular Weight:23805 Da
NCBI Full Name:Cyclin-dependent kinase inhibitor 3
NCBI Synonym Full Names:cyclin dependent kinase inhibitor 3
NCBI Official Symbol:CDKN3  
NCBI Official Synonym Symbols:KAP; CDI1; CIP2; KAP1  
NCBI Protein Information:cyclin-dependent kinase inhibitor 3
UniProt Protein Name:Cyclin-dependent kinase inhibitor 3
UniProt Synonym Protein Names:CDK2-associated dual-specificity phosphatase; Cyclin-dependent kinase interactor 1; Cyclin-dependent kinase-interacting protein 2; Kinase-associated phosphatase
Protein Family:Cyclin-dependent kinase inhibitor
UniProt Gene Name:CDKN3  
UniProt Entry Name:CDKN3_HUMAN
ComponentQuantity
96-Well Cell Culture Clear-Bottom Microplate2 plates
10X TBS24 mL
Quenching Buffer24 mL
Blocking Buffer50 mL
15X Wash Buffer50 mL
Primary Antibody Diluent12 mL
100x Anti-Phospho Target Antibody 60 µL
100x Anti-Target Antibody60 µL
Anti-GAPDH Antibody60 µL
HRP-Conjugated Anti-Rabbit IgG Antibody12 mL
HRP-Conjugated Anti-Mouse IgG Antibody12 mL
SDS Solution12 mL
Stop Solution24 mL
Ready-to-Use Substrate12 mL
Crystal Violet Solution12 mL
Adhesive Plate Seals2 seals

The following materials and/or equipment are NOT provided in this kit but are necessary to successfully conduct the experiment:

  • Microplate reader able to measure absorbance at 450 nm and/or 595 nm for Crystal Violet Cell Staining (Optional)
  • Micropipettes with capability of measuring volumes ranging from 1 µL to 1 ml
  • 37% formaldehyde (Sigma Cat# F-8775) or formaldehyde from other sources
  • Squirt bottle, manifold dispenser, multichannel pipette reservoir or automated microplate washer
  • Graph paper or computer software capable of generating or displaying logarithmic functions
  • Absorbent papers or vacuum aspirator
  • Test tubes or microfuge tubes capable of storing ≥1 ml
  • Poly-L-Lysine (Sigma Cat# P4832 for suspension cells)
  • Orbital shaker (optional)
  • Deionized or sterile water

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

StepProcedure
1.Seed 200 µL of 20,000 adherent cells in culture medium in each well of a 96-well plate. The plates included in the kit are sterile and treated for cell culture. For suspension cells and loosely attached cells, coat the plates with 100 µL of 10 µg/ml Poly-L-Lysine (not included) to each well of a 96-well plate for 30 minutes at 37°C prior to adding cells.
2.Incubate the cells for overnight at 37°C, 5% CO2.
3.Treat the cells as desired.
4.Remove the cell culture medium and rinse with 200 µL of 1x TBS, twice.
5.Fix the cells by incubating with 100 µL of Fixing Solution for 20 minutes at room temperature. The 4% formaldehyde is used for adherent cells and 8% formaldehyde is used for suspension cells and loosely attached cells.
6.Remove the Fixing Solution and wash the plate 3 times with 200 µL 1x Wash Buffer for five minutes each time with gentle shaking on the orbital shaker. The plate can be stored at 4°C for a week.
7.Add 100 µL of Quenching Buffer and incubate for 20 minutes at room temperature.
8.Wash the plate 3 times with 1x Wash Buffer for 5 minutes each time.
9.Add 200 µL of Blocking Buffer and incubate for 1 hour at room temperature.
10. Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
11.Add 50 µL of 1x primary antibodies (Anti-CDKN3 Antibody and/or Anti-GAPDH Antibody) to the corresponding wells, cover with Parafilm and incubate for 16 hours (overnight) at 4°C. If the target expression is known to be high, incubate for 2 hours at room temperature.
12.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
13.Add 50 µL of 1x secondary antibodies (HRP-Conjugated AntiRabbit IgG Antibody or HRP-Conjugated Anti-Mouse IgG Antibody) to corresponding wells and incubate for 1.5 hours at room temperature.
14.Wash 3 times with 200 µL of 1x Wash Buffer for 5 minutes each time.
15.Add 50 µL of Ready-to-Use Substrate to each well and incubate for 30 minutes at room temperature in the dark.
16.Add 50 µL of Stop Solution to each well and read OD at 450 nm immediately using the microplate reader.

(Additional Crystal Violet staining may be performed if desired – details of this may be found in the kit technical manual.)

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