Anti-MADH7/SMAD7 Antibody Picoband®

Mothers against decapentaplegic homolog 7 or SMAD7 is a protein that in humans is encoded by the SMAD7 gene. The protein encoded by this gene is a nuclear protein that binds the E3 ubiquitin ligase SMURF2. Upon binding, this complex translocates to the cytoplasm, where it interacts with TGF-beta receptor type-1 (TGFBR1), leading to the degradation of both the encoded protein and TGFBR1. Expression of this gene is induced by TGFBR1. Variations in this gene are a cause of susceptibility to colorectal cancer type 3 (CRCS3) . Several transcript variants encoding different isoforms have been found for this gene.

Potassium voltage-gated channel subfamily H member 2; Eag homolog; Ether-a-go-go-related gene potassium channel 1; ERG-1; Eag-related protein 1; Ether-a-go-go-related protein 1; H-ERG; hERG-1; Herg1; Voltage-gated potassium channel subunit Kv11.1; KCNH2; ERG; ERG1; HERG

Cancer, Cancer Susceptibility, Epigenetics and Nuclear Signaling, Oncoproteins, Oncoproteins/Suppressors, Proto-Oncogenes, Signal Transduction, Transcription, Transcription Factors

Pore-forming (alpha) subunit of voltage-gated inwardly rectifying potassium channel. Channel properties are modulated by cAMP and subunit assembly. Mediates the rapidly activating component of the delayed rectifying potassium current in heart (IKr) . Isoform A-USO: Has no channel activity by itself, but modulates channel characteristics by forming heterotetramers with other isoforms which are retained intracellularly and undergo ubiquitin-dependent degradation. Isoform B-USO: Has no channel activity by itself, but modulates channel characteristics by forming heterotetramers with other isoforms which are retained intracellularly and undergo ubiquitin-dependent degradation.

1. Broderick, P., Carvajal-Carmona, L., Pittman, A. M., Webb, E., Howarth, K., Rowan, A., Lubbe, S., Spain, S., Sullivan, K., Fielding, S., Jaeger, E., Vijayakrishnan, J., and 20 others. A genome-wide association study shows that common alleles of SMAD7 influence colorectal cancer risk. Nature Genet. 39: 1315-1317, 2007. 2. Dong, C., Zhu, S., Wang, T., Yoon, W., Li, Z., Alvarez, R. J., ten Dijke, P., White, B., Wigley, F. M., Goldschmidt-Clermont, P. J. Deficient Smad7 expression: a putative molecular defect in scleroderma. Proc. Nat. Acad. Sci. 99: 3908-3913, 2002. Note: Retraction: Proc. Nat. Acad. Sci. 113: E2208, 2016. 3. Fukasawa, H., Yamamoto, T., Togawa, A., Ohashi, N., Fujigaki, Y., Oda, T., Uchida, C., Kitagawa, K., Hattori, T., Suzuki, S., Kitagawa, M., Hishida, A. Down-regulation of Smad7 expression by ubiquitin-dependent degradation contributes to renal fibrosis in obstructive nephropathy in mice. Proc. Nat. Acad. Sci. 101: 8687-8692, 2004.

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.