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Mutations in the activation segment of the v-raf murine sarcoma viral oncogene homolog B (BRAF) gene are present in approximately 50% of melanomas. The selective BRAF inhibitor vemurafenib has demonstrated significant clinical benefits in patients with melanomas harboring the most common mutations (V600E, V600K and V600R). However, the clinical activity of(More)
In this study, we investigated the capacity of chronic lymphocytic leukemia (CLL) B cells to undergo terminal differentiation into Ig-secreting plasma cells in T cell-independent and T cell-dependent responses. We used a two-step model involving stimulation with phorbol myristate acetate (PMA) and CD40L, together with cytokines (PMA/c and CD40L/c), for 7(More)
B-cell chronic lymphocytic leukemia (CLL) is the most frequent adult leukemia in the Western world. It is a heterogeneous disease characterized by clonal proliferation and the accumulation of CD5(+) mature B lymphocytes. However, the normal counterpart from which the latter cells arise has not yet been identified. CD27 expression and gene expression(More)
We propose a twofold improvement to the existing e-mail filtering systems : firstly, by using an automatic learning method which will allow the filtering system to create user profiles. Secondly, we use a set of linguistic information in the form of reduced models, based on linguistic models of texts. In this area we aim to evaluate if using linguistic(More)
Signal transducer and activator of transcription 5A and 5B (STAT5A/5B) are encoded by closely related and chromosomally juxtaposed genes. Both proteins play a major role in normal hematopoiesis. 1 STAT5A/B-deficient hematopoietic progenitors failed to repopulate the bone marrow in competitive repopulation assays and have a reduced ability to respond to(More)
Hepatitis C virus (HCV) is a leading cause of cirrhosis and liver cancer worldwide. We recently characterized for the first time the expression of Signaling Lymphocyte Activating Molecule 3 (SLAMF3) in human hepatocytes and here, we report that SLAMF3 interacts with the HCV viral protein E2 and is implicated in HCV entry process. We found a strong(More)
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