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PURPOSE Patients with chronic lymphocytic leukemia (CLL) display immune deficiency that is most obvious in advanced stage disease. Here we investigated whether this immune dysfunction plays a pathologic role in the progression of early stage disease patients. EXPERIMENTAL DESIGN We carried out eight-color immunophenotyping analysis in a cohort of 110(More)
BACKGROUND Aurora kinases play an essential role in the orchestration of chromosome separation and cytokinesis during mitosis. Small-molecule inhibition of the aurora kinases has been shown to result in inhibition of cell division, phosphorylation of histone H3 and the induction of apoptosis in a number of cell systems. These characteristics have led aurora(More)
We performed single-molecule telomere length and telomere fusion analysis in patients at different stages of chronic lymphocytic leukemia (CLL). Our work identified the shortest telomeres ever recorded in primary human tissue, reinforcing the concept that there is significant cell division in CLL. Furthermore, we provide direct evidence that critical(More)
Defining the prognosis of individual cancer sufferers remains a significant clinical challenge. Here we assessed the ability of high-resolution single telomere length analysis (STELA), combined with an experimentally derived definition of telomere dysfunction, to predict the clinical outcome of patients with chronic lymphocytic leukaemia (CLL). We defined(More)
The frequency and severity of episodes of peritonitis adversely affect the structure and function of the peritoneal membrane in patients treated with peritoneal dialysis (PD), but the underlying mechanisms are not well understood. Alterations in the phenotype and function of resident peritoneal cells may contribute. Because effector memory T cells play a(More)
Chronic lymphocytic leukaemia (CLL) is characterised by the accumulation of mature B lymphocytes. Defects in the tumour suppressor gene p53 pathway are known to be important in CLL and p53 inactivation is associated with a particularly aggressive form of CLL. A single nucleotide polymorphism (SNP) in codon 72 of TP53 leads to a single amino acid change(More)
This study assessed the efficacy of a new dose reduction regime in fluoroscopically guided electrophysiology (EP) procedures, which included diagnostic electrophysiological investigations, radiofrequency ablation, and biventricular pacing. A modified dose regime for fluoroscopy was implemented in one of our cardiac electrophysiology laboratories. The x-ray(More)
BACKGROUND Infections are a major factor in the clinical course of chronic lymphocytic leukemia (CLL) and account for 30% to 50% of all deaths. The pathogenesis of infections in CLL is related to hypo-gamma-globulinemia, T-cell immune dysfunction, and the immunosuppressive effect of treatment. METHODS The authors retrospectively assessed the correlations(More)
Bcl-2 family proteins have long been implicated in the pathology of chronic lymphocytic leukaemia (CLL). Indeed, a number of these proteins have been shown to have prognostic importance in this disease. The precise ways in which these proteins impact upon CLL and the ways in which they are regulated remain incompletely resolved. However, significant(More)
Chronic lymphocytic leukemia (CLL) cells rapidly undergo apoptosis in vitro, suggesting that the in vivo microenvironment provides crucial antiapoptotic signals. Overexpression of the antiapoptotic proteins Bcl-2 and Mcl-1 is a hallmark of CLL, and their expression is further enhanced in the lymphoid tissues. However, the high levels of Mcl-1 found in(More)