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Figure 2 | Breast Cancer Research

Figure 2

From: Phosphorylated EGFR and PI3K/Akt signaling kinases are expressed in circulating tumor cells of breast cancer patients

Figure 2

EGFR, PI3K, and Akt activation in CTCs from breast cancer patients. (a) Representative micrograph of cytospin, double-stained with monoclonal pancytokeratin (A45-B/B3; green) and polyclonal pEGFR anti-rabbit (red) antibodies (magnification: 600×). Also shown is quantification of pEGFR and CK co-expression in adjuvant and metastatic CTCs. (b) Representative image of a cytospin, double stained with monoclonal pancytokeratin (A45-B/B3; green) and polyclonal pPI3K (red) antibodies (magnification: 400×). Also shown is quantification of pPI3K and CK co-expression in adjuvant and metastatic CTCs. (c) Representative micrograph of cytospin, double stained with monoclonal pancytokeratin (A45-B/B3; green) and polyclonal pAkt (red) antibodies (magnification: 600 ×). Also shown is quantification of pAkt and CK co-expression in adjuvant and metastatic CTCs. CK, cytokeratin; CTC, circulating tumor cell; EGFR, epidermal growth factor receptor; HER, human epidermal growth factor receptor; PI3K, phosphoinositide-3 kinase.

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