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Hsp90 Inhibition Counters JAK/STAT-Signaling Diseases

Hsp90 inhibition has been found to be a successful therapeutic approach for combating diseases that use JAK/STAT signaling for tumor growth. In in vivo and in vitro models, researchers showed that the small molecule Hsp90 inhibitor ganetespib exhibited potent activity in tumor cells dependent specifically on JAK2 signaling. Specifically, ganetespib sustained depletion of JAK2 including active JAK2V617Fmutant, subsequently decreasing STAT activity and reducing STAT-target gene expression.


Complete results are published online inPLoS One (

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Last modified: April 27, 2020