In 2005, a mutation in the JAK2 kinase (V617F) was found by multiple research groups to be associated with essential thrombocytosis in around 30% of cases.
In 2005, a mutation in the JAK2 kinase (V617F) was found by multiple research groups Baxter EJ et al. PMID 15837627 to be associated with essential thrombocytosis in around 30% of cases.