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Related Concept Videos

The JAK-STAT Signaling Pathway01:20

The JAK-STAT Signaling Pathway

Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as  SH2...
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Updated: Jun 28, 2026

A Method for Screening and Validation of Resistant Mutations Against Kinase Inhibitors
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Published on: December 7, 2014

The JAK2 V617F mutation and thrombosis.

S K Austin1, J R Lambert

  • 1Department of Haematology, University College London, London, UK. steve.austin@stgeorges.nhs.uk

British Journal of Haematology
|November 13, 2008
PubMed
Summary
This summary is machine-generated.

The JAK2 V617F mutation

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Area of Science:

  • Hematology
  • Molecular Biology
  • Oncology

Background:

  • Myeloproliferative disorders (MPD) management depends on thrombotic risk.
  • The JAK2 V617F mutation's role in MPD is under investigation.
  • Clinical evidence suggests a variable association between JAK2 V617F and thrombosis.

Purpose of the Study:

  • To investigate the clinical and pathological consequences of the JAK2 V617F mutation in MPD.
  • To determine if the JAK2 V617F mutation characterizes a distinct MPD subgroup.
  • To clarify the impact of the JAK2 V617F mutation on thrombotic risk in MPD patients.

Main Methods:

  • Review of clinical and pathological data of MPD patients.
  • Analysis of laboratory parameters related to leucocyte and platelet activation.
  • Assessment of thrombotic risk in relation to JAK2 V617F mutation status.

Main Results:

  • Increasing clinical evidence suggests the JAK2 V617F mutation is variably associated with thrombosis.
  • Laboratory findings indicate potential increased activation of leucocytes and platelets in MPD with JAK2 V617F.
  • The mutation's presence may characterize a distinct subgroup of MPD.

Conclusions:

  • The JAK2 V617F mutation may be associated with altered thrombotic risk in MPD.
  • Screening for JAK2 V617F is potentially justified in idiopathic splanchnic vein thrombosis without overt MPD.
  • Further research is needed to fully elucidate the mutation's role in MPD pathogenesis and clinical outcomes.