Weekly docetaxel and trastuzumab is an active combination for treating patients with HER-2-overexpressing metastatic breast cancer. Serum HER-2 ECD testing may be a promising method for monitoring patients on trastuzumab-based therapy.
The mechanisms of cellular entry of dengue and West Nile viruses are not well characterized. We show that both these viruses enter HeLa cells by clathrin-dependent endocytosis and require vacuolar acidic pH. Inhibition of the GTPase Rab 5 or 7, which regulates transport to early or late endosomes, respectively, demonstrated that Rab 5 was essential for survival of both dengue and West Nile virus. These data broaden our understanding of the pathways required for productive dengue and West Nile virus infection and may facilitate new strategies for combating disease.
A minority of the 1% to 9% IHC ER-positive tumors show molecular features similar to those of ER-positive, potentially endocrine-sensitive tumors, whereas most show ER-negative, basal-like molecular characteristics. The safest clinical approach may be to use both adjuvant endocrine therapy and chemotherapy in this rare subset of patients.
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