Homo sapiens SMAD family member 3 (SMAD3), transcript variant 1
HSPC193; HsT17436; JV15-2; LDS1C; LDS3; MADH3
A synthetic phospho-specific peptide corresponding to residues surrounding Ser423 and Ser425 of human Smad3 was used as an immunogen. The antibody only detects Smad3 phosphorylated on Serine 423 and Serine 425.
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
Smad proteins belong to a group of intracellular signal transducers and downstream effectors of TGF-ß/BMP Signaling. The family consists of nine members that are highly conserved in the N- and C-terminal regions (1). Smad3 is a key component in intracellular signaling of transforming growth factor beta (TGF-ß), an inhibitor for tumor cell proliferation (2). Smad3 is activated by activin/TGF-ß receptors, which form a heteromeric complex with Smad4, translocating to the nucleus and regulating the expression of TGF- ß target genes. Interaction of Smad3 with Akt, can initiate TGF- ß induced apoptosis and cell cycle arrest (3). Smad3 expression may be critical in tumor suppression in early stages of gastric carcinogenesis
Delta-Notch Signaling Pathway
EGFR1 Signaling Pathway
TGF Beta Signaling Pathway
Wnt Signaling Pathway
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