The novel Hsp-90 inhibitor SNX7081 is significantly more potent than 17-AAG against primary CLL cells and a range of haematological cell lines, irrespective of lesions in the TP53 pathway.

Abstract:

:Inhibitors of heat-shockprotein 90 (Hsp90) have been proposed as a novel therapeutic option for Chronic Lymphocytic Leukaemia (CLL), particularly as their mechanism of action appears independent of mutations of ATM or TP53. We investigated the activity of a novel Hsp90 inhibitor, SNX7081, against a panel of eight haematological cell lines and 23 CLL patient samples. SNX7081 displayed significant effects on cell cycle distribution, apoptotic rate and levels of ZAP-70 in the cell lines and in the patient samples, irrespective of TP53 status. Our findings suggest SNX7081 may represent a promising therapeutic option for aggressive CLL.

journal_name

Br J Haematol

authors

Best OG,Singh N,Forsyth C,Mulligan SP

doi

10.1111/j.1365-2141.2010.08348.x

subject

Has Abstract

pub_date

2010-10-01 00:00:00

pages

185-8

issue

2

eissn

0007-1048

issn

1365-2141

pii

BJH8348

journal_volume

151

pub_type

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