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Methylation is now established as a fundamental regulator of gene transcription. To investigate this in haematologic malignancies, we evaluated the aberrant promoter methylation of two imprinted genes (MEG3 and SNRPN) in 43 MDS and 42 AML patients. MEG3 hypermethylation occurred in 15 MDS patients (34.9%), and in 20 AML patients (47.6%). SNRPN(More)
Activated platelets play a role in the pathogenesis of coronary heart disease (CHD). Following activation, platelets change shape, aggregate, and release several bioactive substances. The aim of this review is to identify if there is a simple and cost-effective method that indicates platelet activation and predicts the risk of CHD and vascular events. The(More)
Beyond the already well-established strong causative relationship with cancer, smoking increases the risk for vascular disease. Smoking may act directly or adversely influence risk factors contributing to the development of vascular disease. Smoking causes endothelial dysfunction, dyslipidemia (decreased high-density lipoprotein cholesterol levels,(More)
To identify a possible acute phase response during the steady state of sickle cell disease, we estimated the serum alterations of acute phase proteins, beta2-microglobulin (beta2M), kappa and lambda light chains, interleukins (ILs) and tumor necrosis factor-alpha (TNFalpha) in 21 patients. Increased concentrations of C-reactive protein (CRP) were found in 5(More)
Large-scale trials established that statin administration in hypercholesterolaemic individuals and patients with coronary heart disease (CHD) significantly reduces the risk of vascular events and death. This benefit was primarily attributed to their actions on lipids. This review focuses on the benefits (clinical and experimental) of statins observed soon(More)
Thirty-four patients with myelodysplastic syndromes, 23 men and 11 women, aged between 47 and 80 years, with all types of myelodysplastic syndromes were treated with 13-cis-retinoic acid. The dose of retinoic acid ranged between 10 and 60 mg/m2/daily and was administered in combination with vitamin E to diminish side effects. The duration of treatment was 3(More)
The most common single genetic disorder and a major public health issue in Greece and other Mediterranean countries is beta-thalassemia. Current therapeutic approaches for homozygous beta-thalassemia entail blood transfusions and iron chelation therapy with deferoxamine or deferiprone for preventing tissue hemosiderosis. Recently, much effort has focused on(More)
Seven patients, 3 men and 4 women 48-72 years of age and suffering from idiopathic myelofibrosis were given a combination of recombinant human erythropoietin (r-hu-Epo), interferon-alpha-2b (IFN) and GM-CSF, in an attempt to treat their pancytopenia and marrow fibrosis. The dose of r-hu-Epo was 200 U/kg 3 times weekly, that of IFN was 3 x 10(6)/U 3 times(More)
Pleural effusion in 4 patients with chronic myelomonocytic leukemia (CMML) is described in this report. According to the literature, pleural effusion in CMML is a poorly understood and rare occurrence. Two of our patients presented with pleural effusion as an initial symptom while the other 2 developed it during the course of the disease. In only 1 patient(More)