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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Evaluation of the prevalence and prospective clinical impact of the JAK2 V617F mutation in coronary patients.
Am. J. Hematol. 89, 295-301 (2014)
The JAK2 V617F mutation is found in the majority of patients with myeloproliferative neoplasms (MPN), including essential thrombocythemia (ET), but also has been reported in individuals without overt MPN. A close relation of the JAK2 V617F mutation to atherothrombotic events has been described, at least in patients with MPN. The prevalence of the JAK2 V617F mutation and its clinical impact in coronary patients is unknown. To address this issue, DNA samples from 1,589 subjects undergoing coronary angiography with up to 11 years of follow up were genotyped using allele-specific real-time PCR assays. Prevalence of the JAK2 V617F mutation was 1.32% (n=21) in coronary patients. Two JAK2 V617F positive patients showed baseline platelet counts indicative for ET and a third patient developed ET during follow up, finally resulting in a percentage of 0.188% of ET cases. This corresponds to an up to 5-fold accumulation of ET cases in coronary patients compared to the general population. Our study showed no impact of the JAK2 V617F mutation on future atherothrombotic events or overall survival (HR=1.04 [0.33-3.27]; p=0.949 and HR=0.35 [0.05-2.46]; p=0.288, respectively). Therefore, our data suggest that JAK2 V617F positive coronary patients are not at increased risk for future atherothrombotic complications. Routine mutation screening in coronary patients is, therefore, not warranted. However, number of ET cases appears to be accumulated in coronary patients. For this reason, we recommend JAK2 V617F testing only in coronary patients showing abnormal blood cell counts for further clarification.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
JAK2 V617F mutation; Myeloproliferative neoplasms coronary patients; atherothrombotic events; coronary angiography; Cerebral Venous Thrombosis; World-health-organization; Jak2(v617f) Allele Burden; Tyrosine Kinase Jak2; Essential Thrombocythemia; Polycythemia-vera; Myeloproliferative Disorders; Jak2v617f Mutation; V617f Mutation; Disease
ISSN (print) / ISBN
0361-8609
e-ISSN
1096-8652
Zeitschrift
American Journal of Hematology
Quellenangaben
Band: 89,
Heft: 3,
Seiten: 295-301
Verlag
Wiley
Verlagsort
Hoboken
Nichtpatentliteratur
Publikationen
Begutachtungsstatus
Peer reviewed