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PURPOSE The purpose of this research was to develop a quantitative real-time reverse transcription-PCR (RT-PCR) for CK19-mRNA and evaluate its clinical potential for the molecular detection of occult carcinoma cells in the peripheral blood of breast cancer patients. EXPERIMENTAL DESIGN The method is based on real-time monitoring during PCR of(More)
BACKGROUND The detection of cytokeratin-19 (CK-19) mRNA-positive circulating tumor cells (CTC) before and/or after adjuvant chemotherapy in patients with operable breast cancer is associated with poor clinical outcome. Reliable prognostic markers for late disease relapse are not available. In this study we investigated the value of CTC detection during the(More)
PURPOSE To investigate the prognostic value of the molecular detection of circulating tumor cells (CTCs) using three markers [cytokeratin 19 (CK19), mammaglobin A (MGB1), and HER2] in early breast cancer. EXPERIMENTAL DESIGN CK19mRNA+, MGB1mRNA+, and HER2mRNA+ cells were detected using real-time (CK19) and nested (MGB1 and HER2) reverse transcription-PCR(More)
BACKGROUND To compare detection rates and evaluate the clinical relevance of cytokeratin-19 (CK-19) mRNA-positive cells in the peripheral blood (circulating tumour cells, CTCs) and bone marrow (disseminated tumour cells; DTCs) of patients with early breast cancer. METHODS Paired samples of peripheral blood and bone marrow were obtained from 165 patients(More)
BACKGROUND The purpose of this study was to evaluate the prognostic significance of the molecular detection of cytokeratin 19 (CK-19) mRNA-positive cells in the peripheral blood of women with operable breast cancer after the completion of adjuvant chemotherapy. PATIENTS AND METHODS Blood from 161 patients with stage I and II breast cancer, obtained after(More)
PURPOSE The detection of disseminated occult breast cancer cells in peripheral blood and bone marrow is associated with poor prognosis. Since a high proportion of these cells express the HER-2 receptor, we evaluated the effectiveness of the anti-HER-2 antibody trastuzumab (Herceptin) administration to eliminate them. EXPERIMENTAL DESIGN Thirty patients(More)
BACKGROUND To investigate the clinical relevance of CK-19mRNA-positive circulating tumour cells (CTCs) detected before the initiation of front-line treatment in patients with metastatic breast cancer (MBC). METHODS The presence of CTCs was detected in 298 patients with MBC using a real-time PCR (RT-PCR assay. In 44 patients, the detection of CTCs was(More)
10554 Background: To investigate the effect of adjuvant taxane-free and taxane-based chemotherapy regimens on the elimination of circulating tumor cells (CTCs) in patients with early breast cancer. METHODS The presence of CK-19 mRNA-positive CTCs in the peripheral blood was evaluated both before and after chemotherapy, using a real-time RT-PCR assay, in(More)
INTRODUCTION To evaluate the incidence of central nervous system (CNS) involvement in patients with breast cancer treated with a taxane-based chemotherapy regimen and to determine predictive factors for CNS relapse. METHODS The medical files of patients with early breast cancer (n = 253) or advanced stage breast cancer (n = 239) as well of those with(More)
  • Sofia Kalatha, Maria Perraki, Maria Economou-Eliopoulos, Ioannis Mitsis
  • 2017
A detailed geochemical study and a thorough mineralogical description of the rare-earth elements (REE)-minerals and associated minerals were carried out in two vertical profiles of approximately 4 m length, from the Nissi (Patitira) bauxite laterite deposit, Lokris, Greece, characterized by the presence of goethite in small sizes resembling bacterial cell(More)
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