Development of a method for the determination of the JAK2 gene mRNA in venous blood and assessment of its diagnostic value in oncohematology.

Klinicheskaia laboratornaia diagnostika
M A StolyarYu Yu Komarovskiy

Abstract

Overactive JAK pathway signaling is a hallmark of immune diseases and critically affects on inflammation and coagulation. A number of mutations in the JAK2 gene act as driving forces of myeloproliferative neoplasms (MPN), the pathogenesis of certain variants of acute leukemia, a number of solid malignancies and cardiovascular diseases. Assays for quantifying JAK2 mRNA in circulating blood cells can be used as a marker associated with the activity of this enzyme. Development of an original method for detecting JAK2 mRNA in venous blood and assessment of the possible diagnostic value in chronic oncohematological diseases. The development of an RT-PCR method for determining the expression of the JAK2 gene mRNA in venous blood samples was carried out in accordance with the MIQE requirements. Primers and TaqMan probes were designed using the Primer3 program, taking into account the possibility of excluding subsequent DNase treatment. The stability of the investigated mRNA was assessed in vacutainers with different anticoagulants and depending on the storage time of the samples. The study of the expression of JAK2 mRNA in blood leukocytes of 41 patients with B-CLL, 16 patients with CML, 12 patients with multiple myeloma and 39 donors...Continue Reading

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