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FHIT Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB00301
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Cell Death
Reactivity:
Human
Detection Method:
Colorimetric
€599
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Description

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FHIT Colorimetric Cell-Based ELISA Kit

The Human FHIT (Fragile Histidine Triad) Colorimetric Cell-Based ELISA Kit is specifically designed for the accurate and reliable detection of FHIT protein levels in cell lysates and tissue samples. This kit offers high sensitivity and specificity, ensuring precise and reproducible results for your research needs.The FHIT protein is a tumor suppressor that plays a critical role in regulating cell growth and preventing the development of cancer. Dysregulation of FHIT has been implicated in various cancer types, making it a valuable biomarker for cancer research and potential therapeutic targeting.

With the FHIT Colorimetric Cell-Based ELISA Kit, researchers can effectively study the molecular mechanisms underlying cancer development and identify novel therapeutic targets for the treatment of cancer. Invest in this kit to advance your research and contribute to the fight against cancer.

Product Name:FHIT Colorimetric Cell-Based ELISA
Product Code:CBCAB00301
ELISA Type:Cell-Based
Target:FHIT
Reactivity:Human
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

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

Qualitative determination of FHIT concentration is achieved by an indirect ELISA format. In essence, FHIT is captured by FHIT-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: 2272, UniProt ID: P49789, OMIM: 601153, Unigene: Hs.655995
Gene Symbol:FHIT
Sub Type:None
UniProt Protein Function:FHIT: a member of the histidine triad gene family. A diadenosine 5',5'''-P1,P3-triphosphate hydrolase involved in purine metabolism. Its gene encompasses the common fragile site FRA3B on chromosome 3, where carcinogen-induced damage can lead to translocations and aberrant transcripts of this gene. A possible tumor suppressor in specific tissues. Phospho-FHIT observed in liver and kidney, but not in brain and lung. Phospho-FHIT undetected in all tested human tumor cell lines. Aberrant transcripts from this gene have been found in about half of all esophageal, stomach, and colon carcinomas.
UniProt Protein Details:

Protein type:EC 3.6.1.29; Hydrolase; Motility/polarity/chemotaxis; DNA replication; Nucleotide Metabolism - purine; Tumor suppressor

Chromosomal Location of Human Ortholog: 3p14.2

Cellular Component: cytoplasm; cytosol

Molecular Function:bis(5'-adenosyl)-triphosphatase activity; catalytic activity; hydrolase activity; identical protein binding; protein binding; ubiquitin protein ligase binding

Biological Process: negative regulation of proteasomal ubiquitin-dependent protein catabolic process; nucleotide metabolic process; purine nucleotide metabolic process

NCBI Summary:This gene, a member of the histidine triad gene family, encodes a diadenosine 5',5'''-P1,P3-triphosphate hydrolase involved in purine metabolism. The gene encompasses the common fragile site FRA3B on chromosome 3, where carcinogen-induced damage can lead to translocations and aberrant transcripts of this gene. In fact, aberrant transcripts from this gene have been found in about half of all esophageal, stomach, and colon carcinomas. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Oct 2009]
UniProt Code:P49789
NCBI GenInfo Identifier:1706794
NCBI Gene ID:2272
NCBI Accession:P49789.3
UniProt Secondary Accession:P49789,Q45QG9, Q6IU12, A2IAS9, A2IAT0, A2IAT6, A8K1A9
UniProt Related Accession:P49789
Molecular Weight:16,858 Da
NCBI Full Name:Bis(5'-adenosyl)-triphosphatase
NCBI Synonym Full Names:fragile histidine triad
NCBI Official Symbol:FHIT  
NCBI Official Synonym Symbols:FRA3B; AP3Aase  
NCBI Protein Information:bis(5'-adenosyl)-triphosphatase
UniProt Protein Name:Bis(5'-adenosyl)-triphosphatase
UniProt Synonym Protein Names:AP3A hydrolase; AP3Aase; Diadenosine 5',5'''-P1,P3-triphosphate hydrolase; Dinucleosidetriphosphatase; Fragile histidine triad protein
Protein Family:Bis(5'-adenosyl)-triphosphatase
UniProt Gene Name:FHIT  
UniProt Entry Name:FHIT_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-FHIT 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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