Title : A novel thrombopoietin signaling defect in polycythemia vera platelets.

Pub. Date : 1998

PMID : 11012190






3 Functional Relationships(s)
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1 To evaluate the possibility that an abnormality in TPO-mediated signal transduction might be involved in the pathogenesis of PV, we examined TPO-induced protein tyrosine phosphorylation using platelets as a surrogate model system. Tyrosine thrombopoietin Homo sapiens
2 Impaired TPO-mediated platelet protein tyrosine phosphorylation was a consistent observation in patients with PV as well as those with idiopathic myelofibrosis (IMF), in contrast to patients with essential thrombocytosis, chronic myelogenous leukemia, secondary erythrocytosis, iron deficiency anemia, hemochromatosis, or normal volunteers. Tyrosine thrombopoietin Homo sapiens
3 Impaired TPO-induced protein tyrosine phosphorylation in PV and IMF platelets was uniformly associated with markedly reduced or absent expression of Mpl. Tyrosine thrombopoietin Homo sapiens