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Genet Test. 2007 Winter;11(4):463-6. doi: 10.1089/gte.2007.0051.

A tetra-primer polymerase chain reaction approach for the detection of JAK2 V617F mutation.

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Burc Molecular Diagnostic Laboratory, Vali Konagi Cad, Istanbul, Turkey.


Recently, an acquired somatic point mutation (p.V617F) in a highly conserved residue of the pseudokinase domain of the JAK2 tyrosine kinase was shown to be associated with myeloproliferative disorders. Because of the clinical importance of this mutation in diagnosing myeloproliferative disorders and its relevance for disease progression, we have developed a tetra-primer polymerase chain reaction (PCR) assay to detect JAK2 p.V617F. Titration studies showed that the assay could reliably detect one copy of the mutant allele in a mix of 50 wild-type alleles suggesting that the lower detection limit of this assay is estimated to be 2%. This study demonstrates that genotyping and quantifying of the JAK2 V617F mutation can be performed by tetra-primer PCR using both freshly isolated and formalin-fixed tissues. Our tetra-primer PCR assay is sensitive, low-cost, and easy to use method for the detection of JAK2 p.V617F, which could be used even in low-tech laboratories.

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