The JAK-STAT pathway and hematopoietic stem cells from the JAK2 V617F perspective

Abstract excerpt

Janus kinases (JAKs) are non-receptor tyrosine kinases essential for activation of signaling mediated by cytokine receptors that lack catalytic activity, including receptors for erythropoietin, thrombopoietin, most interleukins and interferon. Upon hormone binding, JAKs phosphorylate tyrosine residues in the receptor cytoplasmic domains and in JAKs themselves leading to recruitment and activation of downstream...

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