|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Most patients with polycythemia vera have JAK2(V617F) mutation.
|
17979493 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
These data suggest that erlotinib may be used for treatment of JAK2(V617F)-positive PV and other myeloproliferative disorders.
|
17178722 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
In vitro expanded human PV erythroid progenitors were more sensitive to imatinib than normal erythroid progenitors and FDCP cells expressing JAK2(V617F), with growth inhibition at concentrations attainable in vivo.
|
17533047 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Most patients with IE lack the JAK2 V617F mutation that occurs in the majority of polycythemia vera patients.
|
18055983 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Switch in X-inactivation in a JAK2 V617F-negative case of polycythemia vera with two acquired X-autosome translocations.
|
17204324 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Among patients with PV and ET, methylation of the PRV-1 gene is also inversely correlated with the presence of the JAK2(V617F) somatic mutation.
|
17976520 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Indeed the mutation mediates a PV-like phenotype but with regard to myelofibrosis JAK2(V6</span>17F) does not appear to be a causative factor.
|
17587878 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
After a median follow-up of 41 months (range 3-114 months), three out of the 10 patients carrying the JAK2 V617F mutation were then diagnosed as having idiopathic myelofibrosis (n = 2) or polycythemia vera (n = 1), whereas in seven patients a MPD was not detected.
|
17059429 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
The specificity of a JAK2 V617F PCR test for the diagnosis of MPD is high (near 100%), but only half of ET and MF (50%) and the majority of PV (up to 97%) are JAK2 V617F positive.
|
16919893 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
We provide evidence of increasing JAK2 V617F allele burden from ET, over PV to PMF (P = 0.001 and P < 0.00001 respectively).
|
17961178 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
An activating somatic mutation of Janus kinase 2 V617F (JAK2V617F) is present in most polycythemia vera (PV) patients.
|
17976517 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
These data suggest that the JAK2(V617F) mutation plays an important role in the biology of PV, yet it may not be the PV-initiating event.
|
17379069 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
JAK2 V617F was found in 38 (64%) of ET cases, 7 (39%) of CIMF cases, and 9 (100%) of PV cases.
|
17875526 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Early screening of suspected PV patients for JAK2(V</span>617F) rapidly identifies nearly all those with PV without invasive or less specific conventional investigations.
|
16924638 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
We identified JAK2 exon 12 lesions in 30% of JAK2 V617F-negative PV patients, and either JAK2 V617F or JAK2 exon 12 lesions in 9% of erythrocytosis patients.
|
17920755 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
We conclude that a burden of JAK2(V617F) allele greater than 75% at diagnosis points to PV patients with high-risk disease.
|
17625606 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
IFN-alpha therapy in patients with PV was more effective then hydroxyurea treatment and significantly reduced increased PRV-1 expression together with higher levels of Jak2(V617F) mutation (50-100%) in PV patients treated with hydroxy urea (HU) and lower levels of Jak2(V617F) mutation (35-90%) in PV patients treated with IFN-alpha.
|
17852451 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
A single point mutation (Val617Phe) was identified in JAK2 in 42 (73.7%) of 57 patients with PV, 40 (58.8%) of 68 with ET, and eight (66.7%) of 12 with MMM.
|
17266061 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
The JAK2 V617F somatic mutation is found in most PV patients; however, it is not the disease-initiating mutation.
|
17976518 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
The Janus kinase 2 (JAK2) V617F mutation was present in 34 (85.3%) PV, 2 (50%) IE, 1 (50%) apparent and no secondary erythrocytosis cases.
|
17454193 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
The JAK2 V617F mutation is a frequent genetic event in the three classical Philadelphia-chromosome negative chronic myeloproliferative disorders (Ph(neg.)-CMPD), polycythemia vera (PV), essential thrombocythemia (ET) and idiopathic myelofibrosis (IMF).
|
17313377 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
The JAK2 V617F mutation in children with PV was significantly less frequent than in adult PV.
|
17369568 |
2007 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
As expected, WP1066 inhibited the proliferation of peripheral blood hematopoietic progenitors of patients with polycythemia vera carrying the JAK2 V617F mutation in a dose-dependent manner.
|
18245540 |
2008 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
By real-time PCR, we showed that, upon exposure to ITF2357, JAK2(V617F) mRNA was not modified in granulocytes from PV patients while the expression of the PRV-1 gene, a known target of JAK2, was rapidly downmodulated.
|
18079739 |
2008 |
|
rs77375493
|
|
Polycythemia Vera
|
|
0.900 |
GeneticVariation
|
BEFREE |
Clonal heterogeneity in polycythemia vera patients with JAK2 exon12 and JAK2-V617F mutations.
|
18195094 |
2008 |