Dorraya El-Ashry

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Breast cancer presents as either estrogen receptor alpha (ERalpha) positive or negative, with ERalpha+ tumors responding to antiestrogen therapy and having a better prognosis. By themselves, mRNA(More)
Overexpression of epidermal growth factor receptor (EGFR) is correlated with loss of estrogen receptor and poor prognosis in breast cancer. To investigate this phenomenon, we transfected a(More)
Ac-erbB-2 expression vector was transfected into the estrogen receptor positive (ER+) MCF-7 human breast cancer cell line to determine if overexpression of this transmembrane tyrosine kinase could(More)