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Abstract |
A Comparison of Two Molecular Methods for Detecting CALR Mutations in Myeloproliferative Neoplasms |
Background: Myeloproliferative neoplasms (MPN) are hematopoietic disorders characterized by abnormal proliferation of the myeloid lineage. Three classic subtypes are polycythemia vera (PV), essential thrombocythemia (ET), and primary myelofibrosis (PMF). These disorders are well known for their association with the JAK2 V617F mutation, in addition to mutations in MPL exon 10, and JAK2 exon 12. CALR mutations were detected in approximately 20% to 25% of patients with ET and PMF and not in patients with PV. Most CALR mutations were deletions and insertions in exon 9, which caused frameshift mutations.
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