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Figure 3 | Breast Cancer Research

Figure 3

From: Jab1 is a target of EGFR signaling in ERα-negative breast cancer

Figure 3

Epidermal growth factor (EGF) influences activity of Jab1 downstream genes. (a) Western blot analysis results show that upregulation of pEGFR is correlated with downregulation of p27 in both MDA-MB-231 and MDA-MB-468 cells following EGF treatment. Treatment with EGF was also correlated to an observed increase in pAKT. GAPDH was included as a loading control. (b) Immunofluorescence analysis confirmed that nuclear translocation of Jab1 was associated with downregulation of its downstream target, p27, following EGF treatment. DAPI, 4'-6-diamidino-2-phenylindole; EGFR, epidermal growth factor receptor; GAPDH, glyceraldehyde 3-phosphate dehydrogenase; Jab1, c-Jun activation domain-binding protein-1; pEGFR, phosphorylated epidermal growth factor receptor.

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