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The impact of clinical parameters, International Prognostic Scoring System (IPSS) scores/cytogenetic categories, and some single cytogenetic defects on overall survival (OS) and time to myelodysplastic syndromes (MDS)/AML progression (progression-free interval (PFI)) was evaluated in 331 MDS patients. Statistical analysis demonstrated that OS and PFI were(More)
In order to investigate the in vivo thromboxane (TX) biosynthesis in essential thrombocythemia (ET), we measured the urinary excretion of the major enzymatic metabolites of TXB2, 11-dehydro-TXB2 and 2,3-dinor-TXB2 in 40 ET patients as well as in 26 gender- and age-matched controls. Urinary 11-dehydro-TXB2 was significantly higher (p < 0.001) in(More)
BACKGROUND Isoprostanes (iPs) are free radical-catalyzed products of arachidonic acid that reflect lipid peroxidation in vivo. Several iPs exert biological effects in vitro and may contribute to the functional consequences of oxidant stress. For example, iPF(2alpha)-III (8-iso PGF(2alpha)) and iPE(2)-III modulate platelet function and vascular tone.(More)
MYH9-related disease (MYH9-RD) is a rare autosomal-dominant disorder caused by mutations in MYH9, the gene for the heavy chain of nonmuscle myosin IIA (NMMHC-IIA). All patients present from birth with macrothrombocytopenia, but in infancy or adult life, some of them develop sensorineural deafness, presenile cataracts, and/or progressive nephritis leading to(More)
The relevance of cyclooxygenases (COX)-1 and -2 and their products to inflammation, thrombosis and gastroprotection are well known. Their importance in the immune response was first recognized more than 25 years ago, but has only gained widespread attention recently. In this review, we attempt to integrate information on prostanoids and both the innate and(More)
Improved survival and quality of life following liver transplantation are associated with an increased frequency of pregnancies in liver-transplanted women. We investigated the outcome, complications, and management of those pregnancies. We have reviewed the literature and report 8 pregnancies in 6 transplant recipients. Seven pregnancies were completed at(More)
We observed macrothrombocytopenia with leucocyte inclusions in 10 out of 14 members of a four-generation family. Morphological features of leucocyte inclusions and the presence of Alport-related symptoms supported the diagnosis of Fechtner syndrome. Compared to the two previously reported Fechtner families, our kindred showed reduced expression of Alport(More)
The aim of this review article is to discuss the main determinants of the interindividual variability in response to antiplatelet agents. The main sources of pharmacokinetic and pharmacodynamic variability are reviewed, with particular emphasis on aspirin and clopidogrel. The term 'resistance' is uninformative of the mechanism(s) underlying interindividual(More)
Arachidonic acid metabolism plays an important role in acute ischemic syndromes affecting the coronary or cerebrovascular territory, as reflected by biochemical measurements of eicosanoid biosynthesis and the results of inhibitor trials in these settings. Two cyclooxygenase (COX)-isozymes have been characterized, COX-1 and COX-2, that differ in terms of(More)