Inhibition of protein phosphatase 2A (PP2A) activity has been identified as a prerequisite for the transformation of human cells. The protein, designated Cancerous Inhibitor of PP2A (CIP2A, p90 Autoantigen), interacts directly with the oncogenic transcription factor c-Myc, inhibits PP2A activity toward c-Myc serine 62 (S62), and thereby prevents c-Myc proteolytic degradation. In addition to its function in c-Myc stabilization, p90 Autoantigen promotes anchorage-independent cell growth and in vivo tumor formation. The oncogenic activity of p90 Autoantigen is demonstrated by transformation of human cells by overexpression of p90 Autoantigen. Importantly, p90 Autoantigen is overexpressed in two common human malignancies, head and neck squamous cell carcinoma (HNSCC) and colon cancer.
产品应用
应用
已检合格种属
预测种属
推荐稀释比例
Flow-Cyt
Human
Mouse, Rat, Rabbit, Cow, Dog
1ug/Test
ICC/IF
Human
Mouse, Rat, Rabbit, Cow, Dog
1:100-500
交叉反应
交叉反应: Human (predicted: Mouse, Rat, Rabbit, Cow, Dog)
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靶标
基因名
CIP2A
蛋白名
Protein CIP2A
亚基
Interacts with MYC.
亚细胞定位
Membrane; Single-pass membrane protein (Potential). Cytoplasm. Note=Slightly concentrates in the perinuclear region.
组织特异性
Expressed at low levels in most of the tissues. Overexpressed in head-and-neck squamous cell carcinomas (HNSCC). Present in liver cancer cells (at protein level).