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HOXB9 Colorimetric Cell-Based ELISA

SKU:
CBCAB00378
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Detection Method:
Colorimetric
€599
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Description

system_update_altDatasheetMSDS

HOXB9 Colorimetric Cell-Based ELISA

The HOXB9 Colorimetric Cell-Based ELISA Kit is a cutting-edge tool designed for the accurate measurement of HOXB9 levels in cell lysates and tissue samples. This kit features a high level of sensitivity and specificity, allowing for precise and reliable results in various research applications.HOXB9 is a crucial transcription factor that plays a key role in regulating cell differentiation and development. It has been implicated in various diseases such as cancer, developmental disorders, and fibrosis, making it a valuable biomarker for studying these conditions and potentially identifying new therapeutic targets.

With its easy-to-use protocol and high-performance capabilities, the HOXB9 Colorimetric Cell-Based ELISA Kit is an essential tool for researchers looking to gain insights into the role of HOXB9 in disease pathogenesis and development.

Product Name:HOXB9 Colorimetric Cell-Based ELISA
Product Code:CBCAB00378
ELISA Type:Cell-Based
Target:HOXB9
Reactivity:Human, Mouse
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The HOXB9 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect HOXB9 protein expression profile in cells. The kit can be used for measuring the relative amounts of HOXB9 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on HOXB9.

Qualitative determination of HOXB9 concentration is achieved by an indirect ELISA format. In essence, HOXB9 is captured by HOXB9-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: 3219, UniProt ID: P17482, OMIM: 142964, Unigene: Hs.463350
Gene Symbol:HOXB9
Sub Type:None
UniProt Protein Function:HOXB9: Sequence-specific transcription factor which is part of a developmental regulatory system that provides cells with specific positional identities on the anterior-posterior axis. Belongs to the Abd-B homeobox family.
UniProt Protein Details:

Protein type:DNA-binding

Chromosomal Location of Human Ortholog: 17q21.3

Cellular Component: mitochondrion; nucleoplasm

Molecular Function:protein binding

Biological Process: Wnt receptor signaling pathway through beta-catenin

NCBI Summary:This gene is a member of the Abd-B homeobox family and encodes a protein with a homeobox DNA-binding domain. It is included in a cluster of homeobox B genes located on chromosome 17. The encoded nuclear protein functions as a sequence-specific transcription factor that is involved in cell proliferation and differentiation. Increased expression of this gene is associated with some cases of leukemia, prostate cancer and lung cancer. [provided by RefSeq, Jul 2008]
UniProt Code:P17482
NCBI GenInfo Identifier:20141507
NCBI Gene ID:3219
NCBI Accession:P17482.2
UniProt Secondary Accession:P17482,Q9H1I1, B2RDB7,
UniProt Related Accession:P17482
Molecular Weight:28,059 Da
NCBI Full Name:Homeobox protein Hox-B9
NCBI Synonym Full Names:homeobox B9
NCBI Official Symbol:HOXB9  
NCBI Official Synonym Symbols:HOX2; HOX2E; HOX-2.5  
NCBI Protein Information:homeobox protein Hox-B9
UniProt Protein Name:Homeobox protein Hox-B9
UniProt Synonym Protein Names:Homeobox protein Hox-2.5; Homeobox protein Hox-2E
Protein Family:Homeobox protein
UniProt Gene Name:HOXB9  
UniProt Entry Name:HXB9_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-HOXB9 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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