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MAP2K7 (Phospho-Thr275) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00495
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Cell Death
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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MAP2K7 (Phospho-Thr275)Colorimetric Cell-Based ELISA Kit

The Human MAP2K7 Phospho-Thr275 Colorimetric Cell-Based ELISA Kit is specially designed for the accurate detection of phosphorylated MAP2K7 at Thr275 in cell lysates and tissue homogenates. This kit offers high sensitivity and specificity, ensuring precise and reproducible results for various research applications.MAP2K7, also known as MEK7, is a key signaling molecule within the MAPK pathway, regulating cell growth, differentiation, and stress responses. Phosphorylation of MAP2K7 at Thr275 is known to play a crucial role in mediating its activity and downstream signaling cascades.

Dysregulation of this pathway has been implicated in various diseases, including cancer, inflammation, and neurodegenerative disorders.By accurately quantifying phosphorylated MAP2K7 levels, researchers can gain valuable insights into the molecular mechanisms underlying disease pathogenesis and potentially identify new therapeutic targets. The MAP2K7 Phospho-Thr275 Colorimetric Cell-Based ELISA Kit provides a reliable tool for studying MAP2K7 signaling dynamics and developing novel treatments for related disorders.

Product Name:MAP2K7 (Phospho-Thr275) Colorimetric Cell-Based ELISA
Product Code:CBCAB00495
ELISA Type:Cell-Based
Target:MAP2K7 (Phospho-Thr275)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The MAP2K7 (Phospho-Thr275) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect MAP2K7 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated MAP2K7 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on MAP2K7 phosphorylation.

Qualitative determination of MAP2K7 (Phospho-Thr275) concentration is achieved by an indirect ELISA format. In essence, MAP2K7 (Phospho-Thr275) is captured by MAP2K7 (Phospho-Thr275)-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: 5609, UniProt ID: O14733, OMIM: 603014, Unigene: Hs.531754
Gene Symbol:MAP2K7
Sub Type:Phospho
UniProt Protein Function:MKK7: a dual-specificity protein kinase of the STE7 family. Activates JNK1 and -2 by phosphorylating a Thr and a Tyr residue in the activation loop. Is activated by proinflammatory cytokines and environmental stress. Three alternatively spliced isoforms have been reported.
UniProt Protein Details:

Protein type:Protein kinase, dual-specificity (non-receptor); EC 2.7.12.2; Protein kinase, STE; Kinase, protein; STE group; STE7 family

Chromosomal Location of Human Ortholog: 19p13.3-p13.2

Cellular Component: cytoplasm; intracellular; nucleus; cytosol

Molecular Function:MAP kinase kinase activity; protein C-terminus binding; protein serine/threonine kinase activity; protein binding; enzyme binding; protein-tyrosine kinase activity; magnesium ion binding; mitogen-activated protein kinase kinase kinase binding; JUN kinase kinase activity; protein kinase binding; protein phosphatase binding; ATP binding

Biological Process: peptidyl-tyrosine phosphorylation; apoptosis; MyD88-independent toll-like receptor signaling pathway; stress-activated MAPK cascade; pathogenesis; toll-like receptor 3 signaling pathway; signal transduction; response to osmotic stress; activation of JNK activity; toll-like receptor 2 signaling pathway; toll-like receptor 10 signaling pathway; toll-like receptor 5 signaling pathway; MyD88-dependent toll-like receptor signaling pathway; response to heat; positive regulation of neuron apoptosis; toll-like receptor signaling pathway; innate immune response; JNK cascade; toll-like receptor 9 signaling pathway; toll-like receptor 4 signaling pathway; response to UV

NCBI Summary:The protein encoded by this gene is a dual specificity protein kinase that belongs to the MAP kinase kinase family. This kinase specifically activates MAPK8/JNK1 and MAPK9/JNK2, and this kinase itself is phosphorylated and activated by MAP kinase kinase kinases including MAP3K1/MEKK1, MAP3K2/MEKK2,MAP3K3/MEKK5, and MAP4K2/GCK. This kinase is involved in the signal transduction mediating the cell responses to proinflammatory cytokines, and environmental stresses. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]
UniProt Code:O14733
NCBI GenInfo Identifier:6831583
NCBI Gene ID:5609
NCBI Accession:O14733.2
UniProt Secondary Accession:O14733,O14648, O14816, O60452, O60453, Q1PG43, Q8IY10 B2R9S5, D6W659,
UniProt Related Accession:O14733
Molecular Weight:419
NCBI Full Name:Dual specificity mitogen-activated protein kinase kinase 7
NCBI Synonym Full Names:mitogen-activated protein kinase kinase 7
NCBI Official Symbol:MAP2K7  
NCBI Official Synonym Symbols:MEK; MKK7; JNKK2; MEK 7; MAPKK7; PRKMK7; SAPKK4; SAPKK-4  
NCBI Protein Information:dual specificity mitogen-activated protein kinase kinase 7; SAPK kinase 4; MAPK/ERK kinase 7; MAP kinase kinase 7; JNK-activating kinase 2; c-Jun N-terminal kinase kinase 2; stress-activated protein kinase kinase 4
UniProt Protein Name:Dual specificity mitogen-activated protein kinase kinase 7
UniProt Synonym Protein Names:JNK-activating kinase 2; MAPK/ERK kinase 7; MEK 7; Stress-activated protein kinase kinase 4; SAPK kinase 4; SAPKK-4; SAPKK4; c-Jun N-terminal kinase kinase 2; JNK kinase 2; JNKK 2
Protein Family:Dual specificity mitogen-activated protein kinase kinase
UniProt Gene Name:MAP2K7  
UniProt Entry Name:MP2K7_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-MAP2K7 (Phospho-Thr275) Antibody, Anti-MAP2K7 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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