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We investigated the role of microRNAs (miRNA) 17-5p, 20a and 106a in monocytic differentiation and maturation. In unilineage monocytic culture generated by haematopoietic progenitor cells these miRNAs are downregulated, whereas the transcription factor acute myeloid leukaemia-1 (AML1; also known as Runt-related transcription factor 1, Runx1) is upregulated(More)
Many nuclear and nucleolar small RNAs are accumulated as nonpolyadenylated species and require 3'-end processing for maturation. Here, we show that several genes coding for box C/D and H/ACA snoRNAs and for the U5 and U2 snRNAs contain sequences in their 3' portions which direct cleavage of primary transcripts without being polyadenylated. Genetic analysis(More)
OBJECTIVE To evaluate the presence and extent of large-vessel inflammation in patients with chronic periaortitis (CP) using (18)F-fluorodeoxyglucose-positron emission tomography (FDG-PET). METHODS A consecutive case series consisting of 7 patients with CP seen over a 3-year period and a control group of 14 patients with malignancy were evaluated with(More)
Idiopathic retroperitoneal fibrosis (IRF) is a rare disease often causing obstructive uropathy. We evaluated the clinicopathologic features of 24 patients with IRF to characterize the histopathology of the disease and to provide a framework for the differential diagnosis with other retroperitoneal fibrosing conditions. Retroperitoneal specimens were(More)
OBJECTIVE Medical treatment is often effective in idiopathic retroperitoneal fibrosis (IRF) but frequently leads to residual retroperitoneal masses that may represent active disease or simply consist of inactive fibrotic tissue. 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) is a functional imaging modality that reliably assesses(More)
RNA polymerase II transcribes genes encoding proteins and a large number of small stable RNAs. While pre-mRNA 3'-end formation requires a machinery ensuring tight coupling between cleavage and polyadenylation, small RNAs utilize polyadenylation-independent pathways. In yeast, specific factors required for snRNA and snoRNA 3'-end formation were characterized(More)
OBJECTIVE Patients with chronic periaortitis (CP) often show clinical and laboratory findings of a systemic autoimmune disorder. The aim of the present study was to investigate the role of the HLA system in CP. METHODS Low-resolution genotyping for HLA-A, HLA-B, and HLA-DRB1 loci and genotyping of TNFA(-238)A/G and TNFA(-308)A/G single nucleotide(More)
Retroperitoneal fibrosis (RPF) is usually idiopathic but sometimes secondary to underlying diseases. In this report, we describe a case of apparently idiopathic RPF associated with a mediastinal tuberculous adenopathy. After a course of antituberculous treatment, a complete resolution of both adenopathy and RPF was observed. We discuss the potential(More)
Acute lithium intoxication may cause serious neurologic and cardiac manifestations, up to the patient's death. Owing to its low molecular weight, relatively small volume of distribution close to that of total body water, and its negligible protein binding, lithium can be efficiently removed by any extracorporeal modality of renal replacement therapy (RRT).(More)