نتایج جستجو برای: mpn
تعداد نتایج: 1855 فیلتر نتایج به سال:
Polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF) are chronic myeloproliferative neoplasms (MPN) characterized by clonal expansion of an abnormal hematopoietic stem/progenitor cell. Their natural history is marked by thrombohemorrhagic complications and a propensity to transform into myelofibrosis and acute leukemia. The understanding of the MPN pathophysio...
Abstract Background and Aims Myeloproliferative neoplasms (MPN) are chronic blood disorders defined by an overproduction of clonal, differentiated hematopoietic cells. A high prevalence kidney disease (CKD) is described in patients with MPN. The glomerular histological pattern MPN-related disease, glomerulopathy (MPN-RG), may not account for the entirety CKD risk this population, as it appears ...
Interest in systematic reviews and meta-analysis in medicine began in the late 1970s. During the 1980s, these methods began to be adopted more widely by medical researchers, and in the late 1980s, expository journal articles began to appear, and the first book about meta-analysis in medicine was published. The book was published in 1987 by Milos Jenicek, a professor at the Université de Montréa...
The effects of stimulating the modulatory proctolin-containing neurons (MPNs) on the pyloric rhythm of the stomatogastric ganglion of the crab, Cancer borealis, were compared with those produced by exogenously applied proctolin. The effects of both MPN stimulation and proctolin applications depend on the preceding physiological state of the preparation. Both treatments increase the pyloric cycl...
Patients with myeloproliferative neoplasms (MPNs) are at significant, cumulative risk of leukemic transformation to acute myeloid leukemia (AML), which is associated with adverse clinical outcome and resistance to standard AML therapies. We performed genomic profiling of post-MPN AML samples; these studies demonstrate somatic tumor protein 53 (TP53) mutations are common in JAK2V617F-mutant, pos...
Thrombotic complications are a major cause of death in patients with Philadelphia chromosome-negative myeloproliferative neoplasms (MPNs), which are closely associated with the JAK2 V617F activating mutation. However, whether the presence of the JAK2 V617F mutation affects thrombotic risk is currently unknown, although some reports have suggested a variable association with thrombosis. Therefor...
Proinflammatory cytokines such as TNFα are elevated in patients with myeloproliferative neoplasms (MPN), but their contribution to disease pathogenesis is unknown. Here we reveal a central role for TNFα in promoting clonal dominance of JAK2(V617F) expressing cells in MPN. We show that JAK2(V617F) kinase regulates TNFα expression in cell lines and primary MPN cells and TNFα expression is correla...
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