Activating mutation in the tyrosine kinase JAK2 in polycythemia vera, essential thrombocythemia, and myeloid metaplasia with myelofibrosis

Polycythemia vera (PV), essential thrombocythemia (ET), and myeloid metaplasia with myelofibrosis (MMM) are clonal disorders arising from hematopoietic progenitors. An internet-based protocol was used to collect clinical information and biological specimens from patients with these diseases. High-th...

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Veröffentlicht in:Cancer cell 2005-04, Vol.7 (4), p.387-397
Hauptverfasser: Levine, Ross L., Wadleigh, Martha, Cools, Jan, Ebert, Benjamin L., Wernig, Gerlinde, Huntly, Brian J.P., Boggon, Titus J., Wlodarska, Iwona, Clark, Jennifer J., Moore, Sandra, Adelsperger, Jennifer, Koo, Sumin, Lee, Jeffrey C., Gabriel, Stacey, Mercher, Thomas, D’Andrea, Alan, Fröhling, Stefan, Döhner, Konstanze, Marynen, Peter, Vandenberghe, Peter, Mesa, Ruben A., Tefferi, Ayalew, Griffin, James D., Eck, Michael J., Sellers, William R., Meyerson, Matthew, Golub, Todd R., Lee, Stephanie J., Gilliland, D. Gary
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container_issue 4
container_start_page 387
container_title Cancer cell
container_volume 7
creator Levine, Ross L.
Wadleigh, Martha
Cools, Jan
Ebert, Benjamin L.
Wernig, Gerlinde
Huntly, Brian J.P.
Boggon, Titus J.
Wlodarska, Iwona
Clark, Jennifer J.
Moore, Sandra
Adelsperger, Jennifer
Koo, Sumin
Lee, Jeffrey C.
Gabriel, Stacey
Mercher, Thomas
D’Andrea, Alan
Fröhling, Stefan
Döhner, Konstanze
Marynen, Peter
Vandenberghe, Peter
Mesa, Ruben A.
Tefferi, Ayalew
Griffin, James D.
Eck, Michael J.
Sellers, William R.
Meyerson, Matthew
Golub, Todd R.
Lee, Stephanie J.
Gilliland, D. Gary
description Polycythemia vera (PV), essential thrombocythemia (ET), and myeloid metaplasia with myelofibrosis (MMM) are clonal disorders arising from hematopoietic progenitors. An internet-based protocol was used to collect clinical information and biological specimens from patients with these diseases. High-throughput DNA resequencing identified a recurrent somatic missense mutation JAK2V617F in granulocyte DNA samples of 121 of 164 PV patients, of which 41 had homozygous and 80 had heterozygous mutations. Molecular and cytogenetic analyses demonstrated that homozygous mutations were due to duplication of the mutant allele. JAK2V617F was also identified in granulocyte DNA samples from 37 of 115 ET and 16 of 46 MMM patients, but was not observed in 269 normal individuals. In vitro analysis demonstrated that JAK2V617F is a constitutively active tyrosine kinase.
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Gary</creatorcontrib><title>Activating mutation in the tyrosine kinase JAK2 in polycythemia vera, essential thrombocythemia, and myeloid metaplasia with myelofibrosis</title><title>Cancer cell</title><addtitle>Cancer Cell</addtitle><description>Polycythemia vera (PV), essential thrombocythemia (ET), and myeloid metaplasia with myelofibrosis (MMM) are clonal disorders arising from hematopoietic progenitors. An internet-based protocol was used to collect clinical information and biological specimens from patients with these diseases. High-throughput DNA resequencing identified a recurrent somatic missense mutation JAK2V617F in granulocyte DNA samples of 121 of 164 PV patients, of which 41 had homozygous and 80 had heterozygous mutations. Molecular and cytogenetic analyses demonstrated that homozygous mutations were due to duplication of the mutant allele. 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subjects Adult
Aged
Aged, 80 and over
Cell Line, Tumor
Enzyme Activation - genetics
Female
Genotype
Granulocytes - metabolism
Heterozygote
Homozygote
Humans
Janus Kinase 2
Male
Middle Aged
Mitosis - genetics
Models, Molecular
Mouth Mucosa - metabolism
Mutation, Missense - genetics
Phosphorylation
Polycythemia Vera - genetics
Primary Myelofibrosis - complications
Primary Myelofibrosis - genetics
Protein-Tyrosine Kinases - genetics
Protein-Tyrosine Kinases - metabolism
Proto-Oncogene Proteins - genetics
Proto-Oncogene Proteins - metabolism
Recombination, Genetic - genetics
Thrombocythemia, Essential - genetics
Transfection
title Activating mutation in the tyrosine kinase JAK2 in polycythemia vera, essential thrombocythemia, and myeloid metaplasia with myelofibrosis
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