نتایج جستجو برای: jak2v617f
تعداد نتایج: 776 فیلتر نتایج به سال:
Paroxysmal nocturnal hemoglobinuria (PNH) is a hemolytic and pro-thrombotic disorder associated with the clonal expansion of hematopoietic stem cells harboring somatic mutations in the PIG-A gene. Mutations in PIG-A result in a lack of surface expression of all glycosylphosphatidylinositol (GPI)-anchored proteins, including the complement inhibitors CD55 and CD59, which is responsible for the h...
Interferon-alpha (IFN-alpha) is a nonleukemogenic treatment of polycythemia vera (PV) able to induce cytogenetic remissions. Its use is limited by toxicity, leading to treatment discontinuation in approximately 20% of patients. We completed a phase 2 multicenter study of pegylated IFN-alpha-2a in 40 PV patients. Objectives included evaluation of efficacy, safety, and monitoring of residual dise...
Pacritinib, potent inhibitor of Janus kinase 2 (JAK2), JAK2V617F, and fms-like receptor tyrosine kinase 3, is in Phase III development in myelofibrosis. Among type 1 inhibitors, pacritinib shows a lack of myelosuppression at doses that both inhibit JAK2/signal transducer and activator of transcription 3 pathway and demonstrate clinical efficacy. To elucidate these mechanisms and identify other ...
We analyzed the outcomes of 74 patients diagnosed with BCR-ABL myeloproliferative neoplasms in blast phase receiving induction chemotherapy (55%), low-intensity therapy (16%), stem cell transplantation (SCT; 3%), or supportive care (26%). Median survival from the date of blastic transformation was 5 months. Patients receiving supportive therapy had a median survival of 6 weeks. Complete remissi...
Philadelphia chromosome-negative myeloproliferative neoplasms (MPNs) including polycythemia vera, essential thrombocythemia, and primary myelofibrosis show an inherent tendency for transformation into leukemia (MPN-blast phase), which is hypothesized to be accompanied by acquisition of additional genomic lesions. We, therefore, examined chromosomal abnormalities by high-resolution single nucleo...
To gain insights into a possible role of microRNAs in myeloproliferative neoplasms, we performed short RNA massive sequencing and extensive bioinformatic analysis in the JAK2V617F-mutated SET2 cell line. Overall, 652 known mature miRNAs were detected, of which 21 were highly expressed, thus being responsible of most of miRNA-mediated gene repression. microRNA putative targets were enriched in s...
Background and Aim: The JAK2 is an acquired mutation that is observed in majority of patients with classical Philadelphia-negative Myeloproliferative neoplasms that include polycythemia vera (PV), essential thrombocythemia (ET), primary myelofibrosis (PMF). This acquired mutation is characterized by a G to T transversion at nucleotide 1849 in exon 12 of the JAK2 gene, leading to a substitution ...
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