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PITX1 Colorimetric Cell-Based ELISA (CBCAB01049)

SKU:
CBCAB01049
Product Type:
ELISA Kit
ELISA Type:
Cell Based
Research Area:
Epigenetics and Nuclear Signaling
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€769
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Description

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PITX1 Colorimetric Cell-Based ELISA

The PITX1 Colorimetric Cell-Based ELISA Kit is specifically designed for the detection of PITX1 levels in cell lysates and culture supernatants. This kit offers high sensitivity and specificity, providing reliable and reproducible results for your research needs.PITX1 is a transcription factor that plays a critical role in the development of various tissues and organs, including the skeletal system and limbs. Dysregulation of PITX1 has been implicated in several developmental disorders and diseases, making it a valuable biomarker for studying these conditions.

With the PITX1 Colorimetric Cell-Based ELISA Kit, researchers can accurately measure PITX1 levels in a variety of samples, allowing for a better understanding of its function and potential implications in disease. This kit is suitable for a wide range of applications and can aid in the development of targeted therapies for conditions related to PITX1 dysregulation.

Product Name:PITX1 Colorimetric Cell-Based ELISA
Product Code:CBCAB01049
ELISA Type:Cell-Based
Target:PITX1
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nmStorage/Stability:4°C/6 Months
Format:96-Well Microplate

The PITX1 Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect PITX1 protein expression profile in cells. The kit can be used for measuring the relative amounts of PITX1 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie siRNA or chemicals), or activators have on PITX1.

Qualitative determination of PITX1 concentration is achieved by an indirect ELISA format. In essence, PITX1 is captured by PITX1-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: 5307, UniProt ID: P78337, OMIM: 602149, Unigene: Hs.84136
Gene Symbol:PITX1
Sub Type:None
UniProt Protein Function:PITX1: May play a role in the development of anterior structures, and in particular, the brain and facies and in specifying the identity or structure of hindlimb. Defects in PITX1 are a cause of congenital clubfoot (CCF); also known as talipes equinovarus (TEV). Clubfoot is a congenital limb deformity defined as fixation of the foot in cavus, adductus, varus, and equinus (i.e. inclined inwards, axially rotated outwards, and pointing downwards) with concomitant soft tissue abnormalities. Clubfoot may occur in isolation or as part of a syndrome. Clubfoot appears to be a multifactorial trait. Belongs to the paired homeobox family. Bicoid subfamily.
UniProt Protein Details:

Protein type:DNA-binding

Chromosomal Location of Human Ortholog: 5q31.1

Cellular Component: nucleolus; nucleus

Molecular Function:protein binding

Biological Process: anatomical structure morphogenesis; skeletal development

Disease: Clubfoot, Congenital, With Or Without Deficiency Of Long Bones And/or Mirror-image Polydactyly; Liebenberg Syndrome

NCBI Summary:This gene encodes a member of the RIEG/PITX homeobox family, which is in the bicoid class of homeodomain proteins. Members of this family are involved in organ development and left-right asymmetry. This protein acts as a transcriptional regulator involved in basal and hormone-regulated activity of prolactin. [provided by RefSeq, Jul 2008]
UniProt Code:P78337
NCBI GenInfo Identifier:108935922
NCBI Gene ID:5307
NCBI Accession:P78337.2
UniProt Secondary Accession:P78337,O14677, O60425, Q9BTI5, A8K3M0, D3DQB0,
UniProt Related Accession:P78337
Molecular Weight:34,128 Da
NCBI Full Name:Pituitary homeobox 1
NCBI Synonym Full Names:paired like homeodomain 1
NCBI Official Symbol:PITX1  
NCBI Official Synonym Symbols:BFT; CCF; POTX; PTX1; LBNBG  
NCBI Protein Information:pituitary homeobox 1
UniProt Protein Name:Pituitary homeobox 1
UniProt Synonym Protein Names:Hindlimb-expressed homeobox protein backfoot; Homeobox protein PITX1; Paired-like homeodomain transcription factor 1
Protein Family:Pituitary homeobox
UniProt Gene Name:PITX1  
UniProt Entry Name:PITX1_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-PITX1 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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