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Smad3 (Phospho-Ser213) Colorimetric Cell-Based ELISA Kit

SKU:
CBCAB01439
Product Type:
ELISA Kit
ELISA Type:
Cell Based Phospho Specific
Research Area:
Immunology
Reactivity:
Human
Mouse
Rat
Detection Method:
Colorimetric
€599
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Description

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Smad3 (Phospho-Ser213)Colorimetric Cell-Based ELISA Kit

The SMAD3 Phospho-Ser213 Colorimetric Cell-Based ELISA Kit from Assaygenie is a powerful tool for the detection and quantification of phosphorylated SMAD3 at Ser213 in cell lysates. This kit offers high sensitivity and specificity, ensuring accurate and reliable results for your research needs.SMAD3 is a key signaling protein in the TGF-beta pathway, regulating cellular processes such as growth, differentiation, and apoptosis. Phosphorylation at Ser213 is known to play a critical role in the activation of SMAD3 and its downstream effects on gene expression.

The SMAD3 Phospho-Ser213 Colorimetric Cell-Based ELISA Kit is ideal for studying signaling pathways involved in cell growth and differentiation, as well as for investigating the role of phosphorylated SMAD3 in various disease states such as cancer, fibrosis, and inflammation. Trust Assaygenie's ELISA kit for accurate and reproducible results in your research endeavors.

Product Name:Smad3 (Phospho-Ser213) Colorimetric Cell-Based ELISA
Product Code:CBCAB01439
ELISA Type:Cell-Based
Target:Smad3 (Phospho-Ser213)
Reactivity:Human, Mouse, Rat
Dynamic Range:> 5000 Cells
Detection Method:Colorimetric 450 nm
Format:2 x 96-Well Microplates

The Smad3 (Phospho-Ser213) Colorimetric Cell-Based ELISA Kit is a convenient, lysate-free, high throughput and sensitive assay kit that can detect Smad3 protein phosphorylation and expression profile in cells. The kit can be used for measuring the relative amounts of phosphorylated Smad3 in cultured cells as well as screening for the effects that various treatments, inhibitors (ie. siRNA or chemicals), or activators have on Smad3 phosphorylation.

Qualitative determination of Smad3 (Phospho-Ser213) concentration is achieved by an indirect ELISA format. In essence, Smad3 (Phospho-Ser213) is captured by Smad3 (Phospho-Ser213)-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: 4088, UniProt ID: P84022, OMIM: 114500/603109, Unigene: Hs.618504/Hs.714621
Gene Symbol:SMAD3
Sub Type:Phospho
UniProt Protein Function:Receptor-regulated SMAD (R-SMAD) that is an intracellular signal transducer and transcriptional modulator activated by TGF-beta (transforming growth factor) and activin type 1 receptor kinases. Binds the TRE element in the promoter region of many genes that are regulated by TGF-beta and, on formation of the SMAD3/SMAD4 complex, activates transcription. Also can form a SMAD3/SMAD4/JUN/FOS complex at the AP-1/SMAD site to regulate TGF-beta-mediated transcription. Has an inhibitory effect on wound healing probably by modulating both growth and migration of primary keratinocytes and by altering the TGF-mediated chemotaxis of monocytes. This effect on wound healing appears to be hormone-sensitive. Regulator of chondrogenesis and osteogenesis and inhibits early healing of bone fractures. Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator.
NCBI Summary:The protein encoded by this gene belongs to the SMAD, a family of proteins similar to the gene products of the Drosophila gene 'mothers against decapentaplegic' (Mad) and the C. elegans gene Sma. SMAD proteins are signal transducers and transcriptional modulators that mediate multiple signaling pathways. This protein functions as a transcriptional modulator activated by transforming growth factor-beta and is thought to play a role in the regulation of carcinogenesis. [provided by RefSeq, Apr 2009]
UniProt Code:P84022
NCBI GenInfo Identifier:51338669
NCBI Gene ID:4088
NCBI Accession:P84022.1
UniProt Secondary Accession:P84022,O09064, O09144, O14510, O35273, Q92940, Q93002 A8K4B6, B7Z4Z5, B7Z6M9, B7Z9Q2, F5H383,
UniProt Related Accession:P84022
Molecular Weight:25,722 Da
NCBI Full Name:Mothers against decapentaplegic homolog 3
NCBI Synonym Full Names:SMAD family member 3
NCBI Official Symbol:SMAD3  
NCBI Official Synonym Symbols:LDS3; LDS1C; MADH3; JV15-2; HSPC193; HsT17436  
NCBI Protein Information:mothers against decapentaplegic homolog 3
UniProt Protein Name:Mothers against decapentaplegic homolog 3
UniProt Synonym Protein Names:JV15-2; SMAD family member 3; SMAD 3; Smad3; hSMAD3
Protein Family:Mothers against decapentaplegic
UniProt Gene Name:SMAD3  
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-Smad3 (Phospho-Ser213) Antibody, Anti-Smad3 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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