Table 2.
Gene mutations in myeloproliferative neoplasms with activated receptor tyrosine kinases
Disease entity | Gene | Mechanism of activation | Main cell target |
---|---|---|---|
CML | BCR-ABL1 | t(9;22)(q34;q11) | all myeloid cells |
PV | JAK2 | point mutation (V617F) | erythroid cells, granulocytes, megakaryocytes |
ET | JAK2MPL | point mutation (V617F, W515L/K) | megakaryocytes |
PMF | JAK2MPL | point mutation (V617F, W515L/K) | granulocytes, erythroid cells, megakaryocytes |
Mastocytosis | KIT | point mutation (D816V) | mast cells |
MPN with eosinophilia | PDGFRA-FIP1L1 | interstitial deletion at 4q12 | eosinophils, mast cells |
MPN with eosinophilia | ETV6-PDGFRB | t(5;12)(q31–33;p13) | eosiniphils |
MPN with eosinophilia | FGFR1-ZNF198 | t(8;13)(p11;q12) | eosinophils |
CML, chronic myelogenous leukemia; PV, polycythemia vera; ET, essential thrombocythemia; PNF, primary myelofibrosis; MPN, myeloproliferative neoplasm