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Recent studies have shown that CXCR4 is associated with tumor metastasis. Elevated levels of CXCR4 are also detected in a high percentage of DCIS cases. The high frequency of CXCR4 expression in DCIS suggests that many DCIS cases are “primed” for invasiveness. In this study, we demonstrated that expression of CXCR4 reveals morphological alterations in cells, from normal acinar morphological epithelial...
Our previous report has shown that the constitutively activated EGFR variant, EGFRvIII, up-regulates the pro-metastatic chemokine receptor CXCR4 in breast cancer cells. Here we evaluated the biological effect and cell signaling effects of silencing CXCR4 expression in EGFRvIII-expressing breast cancer cells. Short hairpin RNA (shRNA)-mediated suppression of CXCR4 expression significantly reduced the...
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