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FAK (Phospho-Tyr407) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00416
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Cardiovascular
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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FAK (Phospho-Tyr407)Colorimetric Cell-Based ELISA Kit

The FAK (phospho-Tyr407) Colorimetric Cell-Based ELISA Kit is a powerful tool for the precise measurement of phosphorylated focal adhesion kinase (FAK) levels in cell lysates. This kit boasts exceptional sensitivity and accuracy, ensuring consistent and dependable results for a variety of cell-based research studies.FAK is a key protein involved in cell adhesion, migration, and signaling, playing a critical role in processes such as cell proliferation and survival. Phosphorylation of FAK at Tyr407 is known to regulate its activity and function, making it an important marker in studying cellular responses to various stimuli and disease conditions.

With the ability to accurately measure phospho-Tyr407 FAK levels in cell samples, this ELISA kit is essential for research focused on understanding the molecular mechanisms of cell signaling pathways, as well as for identifying potential therapeutic targets in diseases such as cancer, cardiovascular disorders, and inflammatory conditions. Get reliable and reproducible data with the FAK (phospho-Tyr407) Colorimetric Cell-Based ELISA Kit.

Product Name:FAK (Phospho-Tyr407) Colorimetric Cell-Based ELISA
Product Code:CBCAB00416
ELISA Type:Cell-Based
Target:FAK (Phospho-Tyr407)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The FAK (Phospho-Tyr407) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect FAK protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated FAK in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on FAK phosphorylation.

Qualitative determination of FAK (Phospho-Tyr407) concentration is achieved by an indirect ELISA format. In essence, FAK (Phospho-Tyr407) is captured by FAK (Phospho-Tyr407)-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: 5747, UniProt ID: Q05397, OMIM: 600758, Unigene: Hs.395482
Gene Symbol:PTK2
Sub Type:Phospho
UniProt Protein Function:FAK: a tyrosine kinase of the FAK family required for cell migration and contact-dependent survival signaling. Activated by tyrosine-phosphorylation in response to either integrin clustering induced by cell adhesion or antibody cross-linking, or via G-protein coupled receptor (GPCR) occupancy by ligands such as bombesin or lysophosphatidic acid, or via LDL receptor occupancy. Downstream of integrins and Src, upstream of Ras/MAPK. Localizes to focal adhesions that form between cells growing in the presence of extracellular matrix constituents. Interacts with CAS family members and with GIT1, SORBS1 and BCAR3. Interacts with Shb. Required for full Ras transformation of fibroblasts. Increased expression in breast and other cancers, related to chromosome 8q amplification. Overexpression and activation associated with increased migration, invasion and progression of ovarian cancer, and with progression in hepatocellular carcinoma, thyroid cancer, and acute myelogenous leukemia. siRNA increases chemosensitivity of pancreatic adenocarcinoma xenografts. Inhibitor: ISI15421 (antisense). Four splice-variant isoforms have been observed.
UniProt Protein Details:

Protein type:Kinase, protein; Protein kinase, tyrosine (non-receptor); EC 2.7.10.2; Protein kinase, TK; TK group; Fak family

Chromosomal Location of Human Ortholog: 8q24.3

Cellular Component: extrinsic to internal side of plasma membrane; cytoskeleton; focal adhesion; lamellipodium; apical plasma membrane; cytoplasm; stress fiber; plasma membrane; microtubule organizing center; cell cortex; cytosol; nucleus

Molecular Function:JUN kinase binding; signal transducer activity; protein binding; protein-tyrosine kinase activity; non-membrane spanning protein tyrosine kinase activity; SH2 domain binding; actin binding; protein kinase binding; ATP binding; protein kinase activity; receptor binding

Biological Process: heart morphogenesis; axon guidance; extracellular matrix organization and biogenesis; peptidyl-tyrosine phosphorylation; establishment of nucleus localization; apoptosis; protein amino acid autophosphorylation; neuron migration; cell motility involved in cell locomotion; negative regulation of synaptogenesis; regulation of cell shape; regulation of cell adhesion mediated by integrin; transforming growth factor beta receptor signaling pathway; positive regulation of cell proliferation; ephrin receptor signaling pathway; negative regulation of axonogenesis; angiogenesis; vasculogenesis; placenta development; cell structure disassembly during apoptosis; integrin-mediated signaling pathway; epidermal growth factor receptor signaling pathway; platelet activation; central nervous system neuron axonogenesis; regulation of osteoblast differentiation; positive regulation of phosphoinositide 3-kinase activity; signal complex assembly; cytoskeleton organization and biogenesis; microtubule cytoskeleton organization and biogenesis; negative regulation of organ growth; regulation of cell proliferation; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein kinase B signaling cascade; embryonic development; establishment of cell polarity; positive regulation of protein kinase activity; regulation of focal adhesion formation; endothelial cell migration; innate immune response; positive regulation of protein amino acid phosphorylation; negative regulation of cell-cell adhesion; blood coagulation; vascular endothelial growth factor receptor signaling pathway; regulation of cytoskeleton organization and biogenesis; negative regulation of apoptosis; positive regulation of cell migration

NCBI Summary:This gene encodes a cytoplasmic protein tyrosine kinase which is found concentrated in the focal adhesions that form between cells growing in the presence of extracellular matrix constituents. The encoded protein is a member of the FAK subfamily of protein tyrosine kinases but lacks significant sequence similarity to kinases from other subfamilies. Activation of this gene may be an important early step in cell growth and intracellular signal transduction pathways triggered in response to certain neural peptides or to cell interactions with the extracellular matrix. Several transcript variants encoding different isoforms have been found for this gene, but the full-length natures of only three of them have been determined. [provided by RefSeq, Dec 2010]
UniProt Code:Q05397
NCBI GenInfo Identifier:3183518
NCBI Gene ID:5747
NCBI Accession:Q05397.2
UniProt Secondary Accession:Q05397,Q14291, Q8IYN9, Q9UD85, B4E2N6, F5H4S4, J3QT16
UniProt Related Accession:Q05397
Molecular Weight:1052
NCBI Full Name:Focal adhesion kinase 1
NCBI Synonym Full Names:protein tyrosine kinase 2
NCBI Official Symbol:PTK2  
NCBI Official Synonym Symbols:FAK; FADK; FAK1; FRNK; PPP1R71; p125FAK; pp125FAK  
NCBI Protein Information:focal adhesion kinase 1; FADK 1; PTK2 protein tyrosine kinase 2; FAK-related non-kinase polypeptide; focal adhesion kinase isoform FAK-Del33; focal adhesion kinase-related nonkinase; protein phosphatase 1 regulatory subunit 71; protein phosphatase 1, regulatory subunit 71
UniProt Protein Name:Focal adhesion kinase 1
UniProt Synonym Protein Names:Focal adhesion kinase-related nonkinase; FRNK; Protein phosphatase 1 regulatory subunit 71; PPP1R71; Protein-tyrosine kinase 2; p125FAK; pp125FAK
Protein Family:Focal adhesion kinase
UniProt Gene Name:PTK2  
UniProt Entry Name:FAK1_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-FAK (Phospho-Tyr407) Antibody, Anti-FAK 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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