Abcam, ab244424, Anti-MADH7/SMAD7 antibody

Size: 100µL
Rabbit Polyclonal MADH7/SMAD7 antibody. Suitable for IHC-P, ICC/IF and reacts with Human samples. Cited in 2 publications. Immunogen corresponding to Recombinant Fragment Protein within Human SMAD7 aa 150-300.
Key facts
Host species:Rabbit,
Clonality:Polyclonal,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:ICC/IF, IHC-PSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:Recombinant Fragment Protein within Human SMAD7 aa 150-300. The exact immunogen used to generate this antibody is proprietary information.O15105

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Immunogen, Storage buffer-pH: 7.2Preservative: 0.02% Sodium azideConstituents: PBS, 40% Glycerol (glycerin, glycerine), Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
MADH7 also known as SMAD7 is an intracellular protein that acts as an inhibitor in the signaling pathway of the TGF-beta (transforming growth factor-beta) family. This protein has a molecular mass of approximately 46 kDa and is widely expressed with a significant presence in tissues involved in immune response and development. SMAD7 directly interacts with receptor-regulated SMADs (R-SMADs) preventing their phosphorylation and consequent nuclear translocation effectively halting further signal transduction.
Biological function summary
SMAD7 functions to regulate the TGF-beta signaling pathway by operating as a negative feedback mediator. It binds to TGF-beta receptors recruiting E3 ubiquitin ligases which promote receptor degradation. SMAD7 is not part of complex large-scale multi-protein assemblies but is essential in modulating the pathway's activity. Its balance controls important processes like cell proliferation differentiation and apoptosis across varied biological contexts.
Pathways
SMAD7 strongly influences the TGF-beta and BMP (bone morphogenetic protein) signaling pathways. SMAD7 blocks TGF-beta signaling by interfering with the activity of R-SMADs such as SMAD2 and SMAD3 and it modulates the BMP pathway by interacting with SMAD1 and SMAD5. Its regulatory roles are tightly integrated within these pathways highlighting its importance in cellular homeostasis and response to extracellular signals.
SMAD7 has links to inflammatory conditions and cancer. Its dysregulation can lead to heightened TGF-beta signaling which may contribute to conditions like fibrosis and can enhance tumor progression by affecting cancer cell dynamics and the tumor microenvironment. In these scenarios abnormal SMAD7 function can associate with proteins such as SMAD3 in fibrosis while in cancer its association with proteins like SMAD4 disrupts normal growth control and cellular response.