Acta haematologica
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Review Case Reports
Paraneoplastic pemphigus occurs most commonly in indolent B cell lymphoma.
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Chronic myeloid leukemia (CML) biology seemed to be perfectly explored especially at the beginning of the tyrosine kinase inhibitors era. Later years with imatinib and second-generation tyrosine kinase inhibitors showed a variety of resistance mechanisms and it became obvious that the bcr-abl chimeric gene is not the only enemy to fight. Some studies assumed the decreased rate of programmed cell death (apoptotic) to be the primary mechanism by which BCR-ABL affects expansion of the leukemic clone in CML. Therefore, the aim of this study was to investigate the role of c-kit inhibition in treatment response. ⋯ To achieve optimal treatment response in CML patients, the elimination of CD34+CD117+ may be necessary through an apoptotic pathway.
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Although echocardiography-derived tricuspid regurgitant jet velocity (TRV) is associated with increased mortality in sickle-cell disease (SCD), it is unclear whether increased TRV is a marker of multiorgan disease due to systemic vasculopathy or related to increased pulmonary artery systolic pressure with episodes of multiple acute chest syndrome (ACS). ⋯ TRV is an important global marker for the severity and progression of SCD, and carries a significant prognostic implication.
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MicroRNAs (miRNAs) play an important role in cellular differentiation and cancer pathogenesis. However, their role in promoting the malignant phenotype of myeloproliferative diseases and their importance for differential diagnosis of early-stage chronic myeloproliferative diseases (CMPDs) remains widely obscure. ⋯ Thus, the miRNAs investigated in this study seem to be potential marker oncomiRs in the differential diagnosis of CMPDs and possibly hold potential for the elucidation of a JAK2-independent mechanism of pathogenesis.