Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
A mutation in the JH2 pseudokinase domain of the Janus kinase 2 gene (JAK2 V617F) has been described in chronic myeloproliferative disorders (MPD).
|
16408098 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Recently, several groups identified a recurrent somatic point mutation constitutively activating the hematopoietic growth factor receptor-associated JAK2 tyrosine kinase in diverse chronic myeloid disorders - most commonly classic myeloproliferative disorders (MPD), especially polycythemia vera.
|
16598306 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Recently, a mutation in the Janus kinase 2 (JAK2) gene has been found in a significant number of cases of ET and other CMPDs.
|
16879015 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Despite these advances, many questions remain regarding the role of a single disease allele in three phenotypically distinct MPD, the potential clinical efficacy of JAK2 inhibitors, and the identity of oncogenic alleles in JAK2V617F/MPLW515-negative MPD.
|
17124066 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
An acquired gain-of-function mutation in the Janus kinase 2 (JAK2-V617F) is frequently found in patients with myeloproliferative disorders (MPDs).
|
16675710 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
A clonal mutation in JAK2 tyrosine kinase (JAK2V617F) occurs in a high proportion of patients with MPD and is of use in the characterization of latent MPD in BCS.
|
16762626 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Using the single probe assay, we examined 70 cases with a presumptive diagnosis of MPD, of which 38 (54%) yielded positive results for the presence of the JAK2 V617F mutation, and 92 follicular lymphoma cases, which were negative for the JAK2 V617F mutation.
|
17022694 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
We developed and validated a real-time polymerase chain reaction assay using fluorescent hybridization probes and melting curve analysis to identify the JAK2 V617F mutation, which is implicated in a substantial proportion of chronic myeloproliferative disorders (CMPDs).
|
16627272 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
JAK2V617F, a somatic gain-of-function mutation involving the JAK2 tyrosine kinase gene, occurs in nearly all patients with polycythemia vera (PV) but also in a variable proportion of patients with other myeloid disorders; mutational frequency is estimated at approximately 50% in both essential thrombocythemia (ET) and myelofibrosis (MF), up to 20% in certain subcategories of atypical myeloproliferative disorder (atypical MPD), less than 3% in de novo myelodysplastic syndrome (MDS) or acute myeloid leukemia, and 0% in chronic myeloid leukemia (CML).
|
17124067 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
JAK2(V617F) was identified in patients previously diagnosed with a myeloproliferative disorder or acute myeloid leukemia transformed from myeloproliferative disorder, whereas a wild-type genotype was identified in patients with reactive conditions or de novo acute myeloid leukemia.
|
16831057 |
2006 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Cytogenetic analysis seems to identify a subgroup of patients with a distinct prognostic profile, and should be performed in conjunction with a JAK2 mutation analysis in patients suspected of a chronic myeloproliferative disease.
|
17213018 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
Biomarker
|
disease |
BEFREE |
These observations suggest that JAK2 attracts multiple gene partners and may contribute to disease progression in patients with MDS and B-cell malignancies, while the JAK2 copy number appears to be important in pathogenesis of Ph-negative MPDs.
|
17976519 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
The recently identified Janus kinase 2 (JAK2) V617F somatic mutation is closely related to chronic myeloproliferative disorders (CMD).
|
17263783 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
13 of the 27 JAK2 V617F-positive subjects with SVT were previously known to have a myeloproliferative disease (MPD).
|
17307838 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Several distinct mutations, either in JAK2 (exon 12) or in c-Mpl (W515L) have been described in subsets of other MPDs, polycythemia vera, and idiopathic myelofibrosis.
|
17764814 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Despite this progress, many questions remain unsolved, including how a single JAK2 mutation causes three different MPD phenotypes, what other genes might be involved in the pathogenesis, and what are the factors determining the progression to acute leukemia.
|
18024602 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Finally, we show that IL-27R can functionally replace a homodimeric type I cytokine receptor in the activation of JAK2-V617F, a critical JAK2 mutation in various myeloproliferative disorders (MPDs).
|
18003935 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Anticoagulation therapy combined with low-dose aspirin and proper treatment of the MPD is recommended in patients with SVT associated with the JAK2(V617F) mutation.
|
17687555 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
Recently, an activating somatic mutation of Janus kinase 2 (JAK2V617F) was identified in the myeloproliferative disorders (MPDs).
|
17703302 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
The identification of the JAK2 mutation represents a major advance in the understanding of the molecular pathogenesis of MPDs that will likely permit a new classification and the development of novel therapeutic strategies for these diseases.
|
17389152 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
sP-selectin was significantly increased in patients with MPD (P <or= 0.001). sP-selectin levels were significantly elevated in JAK2 V617F-positive patients compared to wild-type (P = 0.006), or controls (P < 0.001).
|
17596137 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
The myeloproliferative disorder-associated JAK2 V617F mutant escapes negative regulation by suppressor of cytokine signaling 3.
|
17317861 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
These correlations imply that the JAK2-V617F mutation may be useful for the classification and the management of patients with MPDs.
|
17045648 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
The present study support the concept of the JAK2 V617F positive chronic myeloproliferative disorders as a biological continuum with phenotypic presentation in part influenced by JAK2 V617F mutational load.
|
17961178 |
2007 |
Chronic myeloproliferative disorder
|
0.300 |
GeneticVariation
|
disease |
BEFREE |
The chronic myeloproliferative disorders and mutation of JAK2: Dameshek's 54 year old speculation comes of age.
|
17336249 |
2007 |