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NMDAR2B (Phospho-Tyr1474) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01305
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Signal Transduction
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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NMDAR2B (Phospho-Tyr1474)Colorimetric Cell-Based ELISA Kit

The NMDAR2B Phospho-Tyr1474 Colorimetric Cell-Based ELISA Kit is a cutting-edge research tool designed for the precise measurement of phosphorylated NMDAR2B levels in cell lysates. This kit offers exceptional sensitivity and specificity, guaranteeing accurate and reproducible results for a variety of cell-based experiments.Phosphorylated NMDAR2B at tyrosine 1474 is a key signaling molecule in neuronal function and plasticity, playing a critical role in synaptic transmission and synaptic plasticity. Dysregulation of NMDAR2B phosphorylation has been linked to various neurological disorders, including Alzheimer's disease, schizophrenia, and epilepsy, highlighting its importance as a potential therapeutic target.

Researchers and scientists can rely on the NMDAR2B Phospho-Tyr1474 Colorimetric Cell-Based ELISA Kit to uncover novel insights into the molecular mechanisms underlying NMDAR2B signaling and its implications in neurological disorders. This kit is a valuable tool for advancing scientific knowledge and developing targeted therapies for neurological diseases.

Product Name:NMDAR2B (Phospho-Tyr1474) Colorimetric Cell-Based ELISA
Product Code:CBCAB01305
ELISA Type:Cell-Based
Target:NMDAR2B (Phospho-Tyr1474)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The NMDAR2B (Phospho-Tyr1474) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect NMDAR2B protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated NMDAR2B in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on NMDAR2B phosphorylation.

Qualitative determination of NMDAR2B (Phospho-Tyr1474) concentration is achieved by an indirect ELISA format. In essence, NMDAR2B (Phospho-Tyr1474) is captured by NMDAR2B (Phospho-Tyr1474)-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: 2904, UniProt ID: Q13224, OMIM: 138252, Unigene: Hs.654430
Gene Symbol:GRIN2B
Sub Type:Phospho
UniProt Protein Function:NMDAR2B: an NMDA receptor subtype of glutamate-gated ion channels with high calcium permeability and voltage-dependent sensitivity to magnesium. Mediated by glycine. Plays a key role in synaptic plasticity, synaptogenesis, excitotoxicity, memory acquisition and learning. Mediates neuronal functions in glutamate neurotransmission. In concert with DAPK1 at extrasynaptic sites, acts as a central mediator for stroke damage. Its phosphorylation at Ser-1303 by DAPK1 enhances synaptic NMDA receptor channel activity inducing injurious Ca2+ influx through them, resulting in an irreversible neuronal death.
UniProt Protein Details:

Protein type:Channel, ligand-gated; Channel, calcium; Membrane protein, multi-pass; Membrane protein, integral

Chromosomal Location of Human Ortholog: 12p12

Cellular Component: postsynaptic membrane; synaptic vesicle; neuron projection; cell surface; integral to plasma membrane; dendrite; plasma membrane; cell junction; N-methyl-D-aspartate selective glutamate receptor complex

Molecular Function:protein binding; extracellular-glutamate-gated ion channel activity; zinc ion binding; glycine binding; N-methyl-D-aspartate selective glutamate receptor activity; calcium channel activity

Biological Process: synaptic transmission, glutamatergic; axon guidance; startle response; behavioral fear response; in utero embryonic development; glutamate signaling pathway; regulation of synaptic plasticity; learning; memory; synaptic transmission; detection of mechanical stimulus involved in sensory perception of pain; behavioral response to pain; sensory organ development; learning and/or memory; response to ethanol; suckling behavior; transport; ionotropic glutamate receptor signaling pathway; ephrin receptor signaling pathway; regulation of excitatory postsynaptic membrane potential

Disease: Mental Retardation, Autosomal Dominant 6; Epileptic Encephalopathy, Early Infantile, 27

NCBI Summary:N-methyl-D-aspartate (NMDA) receptors are a class of ionotropic glutamate receptors. NMDA receptor channel has been shown to be involved in long-term potentiation, an activity-dependent increase in the efficiency of synaptic transmission thought to underlie certain kinds of memory and learning. NMDA receptor channels are heteromers composed of three different subunits: NR1 (GRIN1), NR2 (GRIN2A, GRIN2B, GRIN2C, or GRIN2D) and NR3 (GRIN3A or GRIN3B). The NR2 subunit acts as the agonist binding site for glutamate. This receptor is the predominant excitatory neurotransmitter receptor in the mammalian brain. [provided by RefSeq, Jul 2008]
UniProt Code:Q13224
NCBI GenInfo Identifier:14548162
NCBI Gene ID:2904
NCBI Accession:Q13224.3
UniProt Secondary Accession:Q13224,Q12919, Q13220, Q13225, Q14CU4, Q9UM56,
UniProt Related Accession:Q13224
Molecular Weight:1484
NCBI Full Name:Glutamate receptor ionotropic, NMDA 2B
NCBI Synonym Full Names:glutamate receptor, ionotropic, N-methyl D-aspartate 2B
NCBI Official Symbol:GRIN2B  
NCBI Official Synonym Symbols:MRD6; NR2B; hNR3; EIEE27; GluN2B; NMDAR2B  
NCBI Protein Information:glutamate receptor ionotropic, NMDA 2B; NR3; glutamate receptor subunit epsilon-2; N-methyl-D-aspartate receptor subunit 3; N-methyl D-aspartate receptor subtype 2B; glutamate [NMDA] receptor subunit epsilon-2
UniProt Protein Name:Glutamate receptor ionotropic, NMDA 2B
UniProt Synonym Protein Names:Glutamate [NMDA] receptor subunit epsilon-2; N-methyl D-aspartate receptor subtype 2B; NMDAR2B; NR2B; N-methyl-D-aspartate receptor subunit 3; NR3; hNR3
Protein Family:Glutamate receptor ionotropic
UniProt Gene Name:GRIN2B  
UniProt Entry Name:NMDE2_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-NMDAR2B (Phospho-Tyr1474) Antibody, Anti-NMDAR2B 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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