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#2250 c-Fos (9F6) Rabbit mAb

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希望納入価格 (円)
国内在庫 i
2019年12月6日15時40分 現在
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#2250S100 μL56,000
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#2250T20 μL39,000
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FOS 製品一覧

感度分子量 (kDa)抗体の由来貯法
内在性62Rabbit IgG-20℃
種交差性 (社内試験済)
交差する可能性がある種 i

社内試験はしていませんが、配列が100%相同であるため反応すると推定される種

ヒト、マウス、ラット ハムスター、ウシ、ブタ
2250 の推奨プロトコール i

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。

 

ウェスタンブロッティング (1:1000)免疫蛍光細胞染色 (IF-IC) (1:6400)フローサイトメトリー (1:800)クロマチン免疫沈降 (1:50)

CST推奨プロトコールに欠かせない関連製品

特異性・感度
内在性レベルのc-Fos タンパク質を検出します。FosB、FRA1、FRA2 を含む他のFos タンパク質とは交差しません。
使用抗原
ヒトのc-Fos タンパク質の配列 (合成ペプチド)

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社内データ

※下記の社内データは、すべて2250 の推奨プロトコールで実験した結果です。

Western Blotting

Western Blotting

Western blot analysis of extracts from HeLa and H-4-II-E cells serum-starved overnight and TPA-stimulated for 4 hours, using c-Fos (9F6) Rabbit mAb.

IF-IC

IF-IC

Confocal immunofluorescent analysis of HeLa cells serum-starved (left) or treated with TPA (#9905) for 4 hours (right) and labeled with c-Fos (9F6) Rabbit mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red).

Flow Cytometry

Flow Cytometry

Flow cytometric analysis of Hela cells, untreated (blue) or TPA treated (green), using c-Fos (9F6) Rabbit mAb compared to a nonspecific negative control antibody (red).


Chromatin IP

Chromatin IP

Chromatin immunoprecipitations were performed with cross-linked chromatin from PC-12 cells starved overnight and treated with Human β-Nerve Growth Factor (h-βNGF) #5221 (50ng/ml) for 2h, and either c-Fos (9F6) Rabbit mAb or Normal Rabbit IgG #2729 using SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003. The enriched DNA was quantified by real-time PCR using SimpleChIP® Rat CCRN4L Promoter Primers #7983, rat DCLK1 promoter primers, and SimpleChIP® Rat GAPDH Promoter Primers #7964. The amount of immunoprecipitated DNA in each sample is represented as signal relative to the total amount of input chromatin, which is equivalent to one.

バックグラウンド

The Fos family of nuclear oncogenes includes c-Fos, FosB, Fos-related antigen 1 (FRA1), and Fos-related antigen 2 (FRA2) (1). While most Fos proteins exist as a single isoform, the FosB protein exists as two isoforms: full-length FosB and a shorter form, FosB2 (Delta FosB), which lacks the carboxy-terminal 101 amino acids (1-3). The expression of Fos proteins is rapidly and transiently induced by a variety of extracellular stimuli including growth factors, cytokines, neurotransmitters, polypeptide hormones, and stress. Fos proteins dimerize with Jun proteins (c-Jun, JunB, and JunD) to form Activator Protein-1 (AP-1), a transcription factor that binds to TRE/AP-1 elements and activates transcription. Fos and Jun proteins contain the leucine-zipper motif that mediates dimerization and an adjacent basic domain that binds to DNA. The various Fos/Jun heterodimers differ in their ability to transactivate AP-1 dependent genes. In addition to increased expression, phosphorylation of Fos proteins by Erk kinases in response to extracellular stimuli may further increase transcriptional activity (4-6). Phosphorylation of c-Fos at Ser32 and Thr232 by Erk5 increases protein stability and nuclear localization (5). Phosphorylation of FRA1 at Ser252 and Ser265 by Erk1/2 increases protein stability and leads to overexpression of FRA1 in cancer cells (6). Following growth factor stimulation, expression of FosB and c-Fos in quiescent fibroblasts is immediate, but very short-lived, with protein levels dissipating after several hours (7). FRA1 and FRA2 expression persists longer, and appreciable levels can be detected in asynchronously growing cells (8). Deregulated expression of c-Fos, FosB, or FRA2 can result in neoplastic cellular transformation; however, Delta FosB lacks the ability to transform cells (2,3).

使用例
 
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Alexa Fluor is a registered trademark of Life Technologies Corporation.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.

本製品は試験研究用です。

c-Fos (9F6) Rabbit mAb

Immune Cell Signaling Pathways

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