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. Author manuscript; available in PMC: 2018 Feb 27.
Published in final edited form as: Ann Surg Oncol. 2011 Aug 12;19(Suppl 3):S483–S490. doi: 10.1245/s10434-011-1971-1

FIG. 1.

FIG. 1

a GLO-titer cell-viability curve for KU363 in JMAR, UMSCC-2, MDA-1986, and JHU-011 head and neck squamous cell cancer cells in vitro. KU363 is cytotoxic with IC50 levels 0.8–2 μM and KU363 with IC90 level <5 μM. b Comparison of in vitro cell viability with C- and N-terminal Hsp90 inhibitors using GLO-titer assay with IC50 levels reported in μM concentrations