Phospho-Smad2 (S245/250/255) ELISA Kit is a Semi-quantitative ELISA kit for the measurement of Phospho-Smad2 (S245/250/255) in Human in Cell Lysate samples.
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Key facts
- Detection method
- Colorimetric
- Sample types
- Cell Lysate
- Assay type
- Semi-quantitative
- Reactive species
- Human
Reactivity data
| Application | Reactivity | Dilution info | Notes |
|---|---|---|---|
Application ELISA | Reactivity Reacts | Dilution info - | Notes - |
Target data
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 SMAD2/SMAD4 complex, activates transcription. Promotes TGFB1-mediated transcription of odontoblastic differentiation genes in dental papilla cells (By similarity). Positively regulates PDPK1 kinase activity by stimulating its dissociation from the 14-3-3 protein YWHAQ which acts as a negative regulator. May act as a tumor suppressor in colorectal carcinoma (PubMed:8752209).
Alternative names
MADH2, MADR2, SMAD2, Mothers against decapentaplegic homolog 2, MAD homolog 2, Mothers against DPP homolog 2, JV18-1, Mad-related protein 2, SMAD family member 2, hMAD-2, SMAD 2, Smad2, hSMAD2
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Phospho-Smad2 (S245/250/255) ELISA Kit is a Semi-quantitative ELISA kit for the measurement of Phospho-Smad2 (S245/250/255) in Human in Cell Lysate samples.
Key facts
- Detection method
- Colorimetric
- Sample types
- Cell Lysate
- Assay type
- Semi-quantitative
- Reactive species
- Human
- Assay Platform
- Pre-coated microplate (12 x 8 well strips)
Storage
- Shipped at conditions
- Blue Ice
- Appropriate short-term storage conditions
- -20°C
- Appropriate long-term storage conditions
- -20°C
- Storage information
- -20°C
Notes
Phospho-Smad2 (S245/250/255) ELISA Kit (ab279929) is a very rapid, convenient and sensitive assay kit that can monitor the activation or function of important biological pathways in human cell lysates. By determining phosphorylated Smad2 protein in your experimental model system, you can verify pathway activation in your cell lysates. You can simultaneously measure numerous different cell lysates without spending excess time and effort in performing a Western Blotting analysis.
This Sandwich ELISA kit is an in vitro enzyme-linked immunosorbent assay for the measurement of human phospho-Smad2. An anti-pan Smad2 antibody has been coated onto a 96-well plate. Samples are pipetted into the wells and Smad2 present in a sample is bound to the wells by the immobilized antibody. The wells are washed and rabbit anti-phospho-Smad2 (S245/250/255) antibody is used to detect phosphorylated Smad2. After washing away unbound antibody, HRP conjugated anti-rabbit IgG is pipetted into the wells. The wells are again washed, a TMB substrate solution is added to the wells and color develops in proportion to the amount of Smad2 (S245/250/255) bound. The Stop Solution changes the color from blue to yellow, and the intensity of the color is measured at 450 nm.
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Supplementary info
- This supplementary information is collated from multiple sources and compiled automatically.
- Activity summary
Smad2 also known as Mothers against decapentaplegic homolog 2 (MAD2) or MADR2 is a signaling protein involved in the transforming growth factor-beta (TGF-β) receptor pathway. Smad2 has a molecular mass of approximately 58 kDa and expresses in various tissues including epithelial mesenchymal and endothelial cells. Smad2 undergoes phosphorylation on serine residues in response to TGF-β signaling converting it into phosphorylated forms often referred to as p-Smad2 or phospho-Smad2. These phosphorylated forms are critical for the relay of signals from the cell surface to the nucleus.
- Biological function summary
Smad2 acts as an intracellular mediator for TGF-β signaling a pathway important for regulating cell proliferation differentiation and apoptosis. Smad2 typically functions as part of a heteromeric complex with Smad4 another key player in TGF-β signaling. Upon activation phosphorylated Smad2 combines with Smad4 to form a complex that translocates into the nucleus. This complex then binds to specific DNA sequences to regulate the transcription of target genes involved in processes such as cell growth inhibition and extracellular matrix production.
- Pathways
Smad2 is integral to the TGF-β and activin receptor signaling pathways. These pathways are essential in controlling cell growth and immune responses. Smad2 interacts with other proteins such as Smad3 in addition to Smad4 to modulate gene expression effectively. The interaction between Smad2 and these proteins ensures precise control of cellular responses to external stimuli emphasizing its pivotal role in maintaining cellular homeostasis.
- Associated diseases and disorders
Smad2 correlates with various pathological conditions including fibrosis and cancer. Aberrant Smad2 signaling can contribute to the development of these diseases as excessive TGF-β signaling promotes fibrotic tissue deposition and tumor progression. Smad2 connects with other proteins like Smad3 in these pathological contexts both acting as mediators of abnormal cellular behaviors. Understanding the regulatory mechanisms of Smad2 can help develop therapeutic strategies against disorders linked to dysregulated TGF-β signaling.
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2 product images
Sandwich ELISA - Phospho-Smad2 (S245/250/255) ELISA Kit (ab279929)
Positive Control.
Jurkat cells were treated with PMA.
Solubilize cells at 4 x 107 cells/ml in Cell Lysate Buffer.
Serial dilutions of lysates were analyzed in this ELISA.
Sandwich ELISA - Phospho-Smad2 (S245/250/255) ELISA Kit (ab279929)
Jurkat cells treated with/without PMA.
Jurkat cells were untreated or treated with PMA. Cell lysates were analyzed using this phosphoELISA and Western Blot.
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