QSAR Studies of PC-3 cell line inhibition activity of TSA and SAHA-like hydroxamic acids
2004
Abstract Quantitative structure–activity relationships (QSAR) for a series of new trichostatin A (TSA)-like hydroxamic acids for the inhibition of cell proliferation of the PC-3 cell line have been developed using molecular descriptors from Qikprop and electronic structure calculations. The best regression model shows that the PM3 atomic charge on the carbonyl carbon in the CONHOH moiety(Qco), globularity (Glob), and the hydrophilic component of the solvent-accessible surface area (FISA) describe the IC 50 of 19 inhibitors of the PC-3 cell line with activities ranging over five orders of magnitude with an R 2 =0.92 and F=59.2. This information will be helpful in the further design of novel anticancer drugs for treatment of prostate cancer and other diseases affected by HDAC inhibition.
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