TGF-beta/Smad Signaling
SnoN Antibody
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| CSTコード |
包装 |
希望納入価格 (円) |
国内在庫  |
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| #4973S | 100 μL | 46,000 | |
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4973 の推奨プロトコール
最適な結果を得るために:Cell Signaling Technology (CST) 社は、各製品の推奨プロトコールを使用することを強くお薦めいたします。
推奨プロトコールはCST社内試験の徹底的なバリデーションに基づいて作成されておりますので、正確かつ再現性の高い結果が得られます。
注:各製品に最適化されたプロトコールをリンクしています。
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4973:
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Immunofluorescence
Western Blotting
| 用途(希釈倍率) | |
| ウエスタンブロッティング(1:1,000)、免疫蛍光細胞染色(IF-IC)(1:100) |
| 特異性・感度 | |
| 内在性レベルの総SnoNタンパク質を検出します。 |
| 使用抗原 | |
| ヒトSnoNタンパク質のSer431周辺領域(合成ペプチド) |
| ※括弧付きの動物種は配列が100%相同であるため反応すると推定されます。 |
Western Blotting

Western blot analysis of extracts from SW620, HT-1080 and MCF-7 cells using SnoN Antibody.
IF-IC

Immunofluorescent analysis of A-204 cells showing nuclear staining, using SnoN Antibody.
Transforming growth factor-β (TGF-β) superfamily members are critical regulators of cell proliferation and differentiation, developmental patterning and morphogenesis and disease pathogenesis (1-3). Upon stimulation by TGF-β, activated receptors phosphorylate Smad2 and Smad3, resulting in their translocation to the nucleus, association with Smad4 and transcriptional regulation of target genes (4). Ski and SnoN are related oncoproteins originally discovered based on homology to v-Ski, the transforming protein of the Sloan-Kettering virus (5). They regulate TGF-β signaling by binding to Smad2 and Smad4 and repressing their ability to activate transcription (6). Following TGF-β stimulation, SnoN is rapidly degraded by the ubiquitin proteasome pathway providing negative feedback regulation (6-9). Overexpression of SnoN and Ski can transform avian fibroblasts and induce muscle differentiation (10). Mice heterozygous for SnoN and Ski display increased susceptibility to tumorigenesis (11,12). Interestingly, elevated expression of Ski and SnoN has been observed in many tumors and may serve as important prognostic markers (13,14). Taken together, these studies suggest possible dual functions of these proteins at different stages of tumorigenesis (15).
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Massagué, J. et al. (2000) Cell 103, 295-309.
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Miyazono, K. et al. (2000) Adv. Immunol. 75, 115-157.
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Nomura, N. et al. (1989) Nucleic Acids Res. 17, 5489-5500.
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Stroschein, S.L. et al. (1999) Science 286, 771-774.
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Bonni, S. et al. (2001) Nat. Cell Biol. 3, 587-595.
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Stroschein, S.L. et al. (2001) Genes Dev. 15, 2822-2836.
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Wan, Y. et al. (2001) Mol. Cell 8, 1027-1039.
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Zhang, F. et al. (2003) Cancer Res. 63, 5005-5010.
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Buess, M. et al. (2004) Neoplasia 6, 207-212.
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Zhu, Q. et al. (2007) Mol. Cell. Biol. 27, 324-339.