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JunD (Phospho-Ser255) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01558
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
$719
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Description

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JunD (Phospho-Ser255)Colorimetric Cell-Based ELISA Kit

The JUN D Phospho-Ser255 Colorimetric Cell-Based ELISA Kit is a powerful tool for detecting phosphorylated JUN D at Ser255 in cell lysates. This kit offers high sensitivity and specificity, providing accurate and reliable results for researchers studying the JUN D pathway.Phosphorylation of JUN D at Ser255 plays a key role in cell signaling and gene expression regulation, influencing processes such as cell growth, differentiation, and apoptosis. By accurately measuring phosphorylated JUN D levels, researchers can gain valuable insights into the mechanisms involved in various cellular functions and diseases.

With easy-to-follow protocols and quick assay times, the JUN D Phospho-Ser255 Colorimetric Cell-Based ELISA Kit is suitable for a wide range of applications, including drug discovery, cancer research, and signal transduction studies. Stay ahead in your research with this advanced and reliable assay kit.

Product Name:JunD (Phospho-Ser255) Colorimetric Cell-Based ELISA
Product Code:CBCAB01558
ELISA Type:Cell-Based
Target:JunD (Phospho-Ser255)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The JunD (Phospho-Ser255) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect JunD protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated JunD in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on JunD phosphorylation.

Qualitative determination of JunD (Phospho-Ser255) concentration is achieved by an indirect ELISA format. In essence, JunD (Phospho-Ser255) is captured by JunD (Phospho-Ser255)-specific primary (1ø) antibodies while the HRP-conjugated secondary (2ø) antibodies bind the Fc region of the 1ø antibody. Through this binding, the HRP enzyme conjugated to the 2ø 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: 3727, UniProt ID: P17535, OMIM: 165162, Unigene: Hs.2780
Gene Symbol:JUND
Sub Type:Phospho
UniProt Protein Function:JunD: Transcription factor binding AP-1 sites. Binds DNA as a dimer. Interacts with MEN1; this interaction represses transcriptional activation. Belongs to the bZIP family. Jun subfamily.
UniProt Protein Details:

Protein type:Transcription factor; Motility/polarity/chemotaxis

Chromosomal Location of Human Ortholog: 19p13.2

Cellular Component: chromatin; nuclear chromatin; nucleus; transcription factor complex

Molecular Function:enzyme binding; ligand-dependent nuclear receptor binding; protein binding; transcription coactivator activity; transcription factor binding

Biological Process: aging; cellular response to hormone stimulus; circadian rhythm; negative regulation of transcription from RNA polymerase II promoter; osteoblast development; positive regulation of cell differentiation; positive regulation of osteoblast differentiation; positive regulation of transcription from RNA polymerase II promoter; regulation of cell cycle; regulation of cell proliferation; regulation of transcription from RNA polymerase II promoter; response to cAMP; response to cytokine stimulus; response to drug; response to light stimulus; response to lipopolysaccharide; response to mechanical stimulus; response to peptide hormone stimulus; response to radiation; transcription from RNA polymerase II promoter

NCBI Summary:The protein encoded by this intronless gene is a member of the JUN family, and a functional component of the AP1 transcription factor complex. This protein has been proposed to protect cells from p53-dependent senescence and apoptosis. Alternative translation initiation site usage results in the production of different isoforms (PMID:12105216). [provided by RefSeq, Nov 2013]
UniProt Code:P17535
NCBI GenInfo Identifier:229462969
NCBI Gene ID:3727
NCBI Accession:P17535.3
UniProt Secondary Accession:P17535,Q53EK9,
UniProt Related Accession:P17535
Molecular Weight:35,174 Da
NCBI Full Name:Transcription factor jun-D
NCBI Synonym Full Names:jun D proto-oncogene
NCBI Official Symbol:JUND  
NCBI Official Synonym Symbols:AP-1  
NCBI Protein Information:transcription factor jun-D
UniProt Protein Name:Transcription factor jun-D
Protein Family:Transcription factor
UniProt Gene Name:JUND  
UniProt Entry Name:JUND_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-JunD (Phospho-Ser255) Antibody, Anti-JunD 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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