SMAD3 Antibody

Code CSB-PA021788LA01HU
Size US$166
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  • Western Blot
    Positive WB detected in: MCF-7 whole cell lysate, A549 whole cell lysate
    All lanes: SMAD3 antibody at 4µg/ml
    Goat polyclonal to rabbit IgG at 1/50000 dilution
    Predicted band size: 49, 44, 36, 26 kDa
    Observed band size: 49 kDa
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Product Details

Full Product Name
Rabbit anti-Homo sapiens (Human) SMAD3 Polyclonal antibody
Uniprot No.
Target Names
Alternative Names
DKFZP586N0721 antibody; DKFZp686J10186 antibody; hMAD 3 antibody; hMAD-3 antibody; hSMAD3 antibody; HSPC193 antibody; HST17436 antibody; JV15 2 antibody; JV15-2 antibody; JV152 antibody; LDS1C antibody; LDS3 antibody; MAD (mothers against decapentaplegic Drosophila) homolog 3 antibody; MAD homolog 3 antibody; Mad homolog JV15 2 antibody; Mad protein homolog antibody; MAD; mothers against decapentaplegic homolog 3 antibody; Mad3 antibody; MADH 3 antibody; MADH3 antibody; MGC60396 antibody; Mothers against decapentaplegic homolog 3 antibody; Mothers against DPP homolog 3 antibody; SMA and MAD related protein 3 antibody; SMAD 3 antibody; SMAD antibody; SMAD family member 3 antibody; SMAD; mothers against DPP homolog 3 antibody; Smad3 antibody; SMAD3_HUMAN antibody
Raised in
Species Reactivity
Recombinant Human Mothers against decapentaplegic homolog 3 protein (1-425AA)
Immunogen Species
Homo sapiens (Human)

The SMAD3 Antibody (Product code: CSB-PA021788LA01HU) is Non-conjugated. For SMAD3 Antibody with conjugates, please check the following table.

Available Conjugates
Conjugate Product Code Product Name Application
HRP CSB-PA021788LB01HU SMAD3 Antibody, HRP conjugated ELISA
FITC CSB-PA021788LC01HU SMAD3 Antibody, FITC conjugated
Biotin CSB-PA021788LD01HU SMAD3 Antibody, Biotin conjugated ELISA
Purification Method
>95%, Protein G purified
It differs from different batches. Please contact us to confirm it.
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4
Tested Applications
Recommended Dilution
Application Recommended Dilution
WB 1:1000-1:5000
Troubleshooting and FAQs
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.

Customer Reviews and Q&A

 Customer Reviews
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Applications : WB

Sample dilution: 1: 1000

Review: Cells were treated with Ang-(1-7) (1 μM) for 1 h before the treatment with TGF-β1 (10 ng/mL). One hour after the TGF-β1 administration, the protein expressions of p-Smad2 and p-Smad3 in A549 cells were detected by western blotting.

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Target Background

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.
Gene References into Functions
  1. Study established a relationship between OCT4 and SMAD3 heterodimers formation and Snail, Slug, and CXCL13 transcription promotion mediating breast cancer progression. PMID: 29526821
  2. Study results using gene editing indicate the cancer-promoting role of Smad3 T179 phosphorylation in the human triple-negative breast cancer cells. PMID: 30251686
  3. Downregulation of miR-637 promotes proliferation and migration of fibroblasts by targeting Smad3 in keloids. PMID: 29845237
  4. The findings of the present study indicated that miR326 inhibited endometrial fibrosis by suppressing the TGFbeta1/Smad3 signaling pathway, suggesting that miR326 may be a prognostic biomarker and therapeutic target for Intrauterine adhesion (IUA). PMID: 29956752
  5. Study validated a specific model prediction that SMAD3 regulates Huntington's disease (HD)-related gene expression changes. Also, results found CAG repeat length-dependent changes in the genomic occupancy of SMAD3 and confirmed the model's prediction that many SMAD3 target genes are downregulated early in HD. PMID: 29581148
  6. The SMAD3 rs12901499 polymorphism may be involved in the development of knee osteoarthritis. Larger studies with more diverse ethnic populations are needed to confirm these result. PMID: 29315792
  7. NLRC5 may act as a key mediator in renal fibroblast activation and fibrogenesis PMID: 29608899
  8. The SMAD3 SNP rs12901499 GA genotype and G variant may increase the risk of hip osteoarthritis in Chinese Han patients. PMID: 29310478
  9. Positive cooperativity of Smad3 and STAT3 during epithelial-mesenchymal transition [Review]. PMID: 29140406
  10. CXCL12 activates the MEKK1/JNK signaling pathway, which in turn initiates SMAD3 phosphorylation, its translocation to nuclei, and recruitment of SMAD3 to the CTGF promoter, which ultimately induces CTGF expression in human lung fibroblasts. PMID: 29499695
  11. these results indicated that Bone marrow-derived mesenchymal stem cells -conditioned medium suppressed the epithelial-mesenchymal transition which might be associated with TGF-B1/Smad3. This study provides the theoretical basis for the research of the mechanisms responsible for pulmonary disease. PMID: 29207055
  12. The present findings indicate that RACK1 silencing attenuates renal fibrosis by suppressing the activation of TGF-beta1/Smad3 signaling pathway in HK-2 cells. Thus, RACK1 may serve as a novel regulator of renal fibrosis. PMID: 29039466
  13. MSP analysis from 81 Acute coronary syndrome (ACS)samples, 74 SCAD samples and 53 healthy samples, and Sequenom MassARRAY analysis, confirmed that differential CpG methylation of SMAD3 was significantly corrected with the reference results of the HumanMethylation450 array. PMID: 29115576
  14. Smad3 knockdown could restore the inhibition of cell proliferation induced by FSTL1 overexpression in MDAMB231FSTL1 cells, indicating that the antiproliferative effect of FSTL1 overexpression may be associated with Smad3 involved TGFbeta signaling pathway regulation. This study identified FSTL1 as an inhibitor of cell proliferation in MDAMB231 and 231BR cell lines PMID: 29048681
  15. miR-195 inhibited proliferation and induced apoptosis of vascular smooth muscle cells, which was abated by Smad3 overexpression PMID: 28665537
  16. SMAD3 SNP rs422342 is statistically associated with intervertebral disc degeneration in Greek population. PMID: 28662992
  17. we observed that SMAD3 rs1065080 single nucleotide gene polymorphisms were significantly associated with patient susceptibility to intracranial arterial aneurysms PMID: 28988651
  18. Smad3 binds with type I TGF-beta receptor (TRI) even in unstimulated cells. PMID: 27641076
  19. This study demonstrates that Smad3 protein had low expression in ACTH-Pituitary Adenoma Development. PMID: 29524699
  20. data suggest that TGF-beta stimulated the expression of ChPF and sGAG synthesis in nucleus pulposus cells through Smad3, RhoA/ROCK1 and the three MAPK signaling pathways. PMID: 28608941
  21. These results suggested that FXR may serve as an important negative regulator for manipulating Smad3 expression, and the FXR/Smad3 pathway may be a novel target for the treatment of renal fibros PMID: 27853248
  22. SMad3 role in TGF-beta/SMAD pathway signal transduction PMID: 28320972
  23. ERK1/2 mediates Heme oxygenase-1 or CO-induced Smad3 phosphorylation at Thr179. PMID: 29524413
  24. Participants' data and peripheral blood samples were collected, and three Smad3 CpG loci were examined. Smad3 mRNA expression was significantly higher in the patient group than in the negative control group but did not differ between the two control groups. PMID: 28562330
  25. The critical roles of miR-16-5p-Smad3 pathway in melatonin-induced growth defects of gastric cancers. PMID: 29359963
  26. TGFbeta1 signalling is associated with activation of SMAD3 at the ciliary base. PMID: 27748449
  27. exaggerated WNT-5B expression upon cigarette smoke exposure in the bronchial epithelium of COPD patients leads to TGF-beta/Smad3-dependent expression of genes related to airway remodelling PMID: 27126693
  28. HSF1 activity is decreased in fibrotic hearts. HSF1 inhibits phosphorylation and nuclear distribution of Smad3 via direct binding to Smad3. Active Smad3 blocks the anti-fibrotic effect of HSF1. PMID: 28091697
  29. miR-142-5p plays as a negative regulator in TGF-beta pathway by targeting SMAD3 and suppresses TGF-beta-induced growth inhibition in cancer cells. PMID: 27683030
  30. Authors were able to confirm expression of SMAD3 in intact and degraded cartilage of the knee and hip. Our findings provide the first systematic evaluation of pleiotropy between OA and BMD, highlight genes with biological relevance to both traits, and establish a robust new OA genetic risk locus at SMAD3. PMID: 28934396
  31. A bioinformatics analysis and luciferase reporter assay identified Smad3 as a direct target gene of miR-216b, and Smad3 expression was reduced by miR-216b overexpression at both the mRNA and protein levels. PMID: 28356485
  32. Because the expression of these genes correlates with cell shape, these are likely mechanosensitive genes that regulate SMAD3 and/or RELA activation in response to mechanical cues PMID: 27864353
  33. SMAD3 transcription facttor binds RNA with large internal loops or bulges with high apparent affinity, suggesting a biological role for RNA binding by SMAD3. PMID: 29036649
  34. Case Report: internal mammary artery aneurysms in sisters with SMAD3 mutation. PMID: 28286188
  35. High Smad3 expression is associated with invasion and metastasis in pancreatic ductal adenocarcinoma. PMID: 26908446
  36. New evidence suggests that SMAD3 activation may serve as a critical converging point of dysregulated TGFB superfamily signaling and genetic aberrations in human granulosa cell tumor development (review). PMID: 27683263
  37. We find that DIGIT is divergent to Goosecoid (GSC) and expressed during endoderm differentiation. Deletion of the SMAD3-occupied enhancer proximal to DIGIT inhibits DIGIT and GSC expression and definitive endoderm differentiation. PMID: 27705785
  38. ANP inhibits TGF-beta1-induced EMT in 16HBE-14o and A549 cells through cGMP/PKG signaling, by which it targets TGF-beta1/Smad3 via attenuating phosphorylation of Smad3. These findings suggest the potential of ANP in the treatment on pulmonary diseases with airway remodeling. PMID: 28229930
  39. Sec8 regulates N-cadherin expression by controlling Smad3 and Smad4 expression through CBP, thereby mediating the epithelial-mesenchymal transition. PMID: 27769780
  40. Particularly, galangin effectively inhibits phosphorylation of the Thr-179 site at Smad3 linker region through suppression of CDK4 phosphorylation. Thus, galangin can be a promising candidate as a selective inhibitor to suppress phosphorylation of Smad3 linker region. PMID: 29097203
  41. Up-regulation of miR-195 suppressed cell migration and invasion in vitro. Smad3 was verified as a direct target of miR-195, which was further confirmed by the inverse expression of miR-195 and Smad3 in patients' specimens. PMID: 27206216
  42. In human primary tubular epithelial cells, inhibition of HIF sensing prolylhydroxylases by DMOG or exposure of the cells to hypoxia upregulated Smad3 expression and enhanced its translocation to the nucleus. PMID: 27155083
  43. Findings demonstrate that TGFbeta1 allows tumors to evade host immune responses in part through enhanced SMAD3-mediated PD-1 expression on tumor infiltrating lymphocytes. PMID: 27683557
  44. Store-operated calcium entry via Orai1 in mesangial cells negatively regulates the TGF-beta1/Smad3 signaling pathway. PMID: 28637791
  45. TF-induced microvessel stabilization is regulated via PAR2-SMAD3 that is indispensable for the maintenance of vascular integrity. PMID: 26658897
  46. stablish PPM1A as a novel repressor of the SMAD3 pathway in renal fibrosis PMID: 27328942
  47. Methylation in SMAD3 was selectively increased in asthmatic children of asthmatic mothers and was associated with childhood asthma risk PMID: 28011059
  48. a direct crosstalk between the STAT3 and Smad3 signaling pathways that may contribute to tumor development and inflammation. PMID: 26616859
  49. It is reported here that TGF-beta directly regulates alternative splicing of cancer stem cell marker CD44 through a phosphorylated threonine179 of SMAD3-mediated interaction with RNA-binding protein PCBP1. PMID: 27746021
  50. Bcl-3 knockdown enhanced the degradation of Smad3 but not Smad2 following TGFbeta treatment. PMID: 27906182

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Involvement in disease
Colorectal cancer (CRC); Loeys-Dietz syndrome 3 (LDS3)
Subcellular Location
Cytoplasm. Nucleus.
Protein Families
Dwarfin/SMAD family
Database Links

HGNC: 6769

OMIM: 114500

KEGG: hsa:4088

STRING: 9606.ENSP00000332973

UniGene: Hs.727986

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