JAK2 and MPL gene mutations in V617F-negative myeloproliferative neoplasms.
SourceLeukemia Research, 34, 3, (2010), pp. 387-9
01 maart 2010
Article / Letter to editor
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SubjectIGMD 3: Genomic disorders and inherited multi-system disorders; NCMLS 6: Genetics and epigenetic pathways of disease
We report three novel mutations in JAK2 exons 12, 19 and 25 in V617F-negative patients with polycythemia vera, essential thrombocythemia and idiopathic myelofibrosis. Scanning of JAK2 exons 12-25 and MPL exon 10 revealed the presence of JAK2 alterations in six and MPL W515L/K mutations in five of 34 patients with myeloproliferative disorders. Our results confirm that routine JAK2 analysis should include exon 12 mutations in polycythemia vera patients. MPL gene mutations seem to be associated with thrombocytosis, regardless of the type of myeloproliferative neoplasm.
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