Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Boyer, S.H. et al.

Serge H. Boyer, Hongjian Jiang, Jason D. Jacintho, Mali Venkat Reddy, Haiqing Li, Wenyu Li, Jennifer L. Godwin, William G. Schulz, Edward E. Cable, Jinzhao Hou, Rongrong Wu, James M. Fujitaki, Scott J. Hecker, Mark D. Erion,

Synthesis and biological evaluation of a series of liver-selective phosphonic acid thyroid hormone receptor agonists and their prodrugs.

Phosphonic acid (PA) thyroid hormone receptor (TR) agonists were synthesized to exploit the poor distribution of PA-based drugs to extrahepatic tissues and thereby to improve the therapeutic index. Nine PAs showed excellent TR binding affinities (TRbeta(1), K(i) < 10 nM), and most of them demonstrated significant cholesterol lowering effects in a cholesterol-fed rat (CFR) model. Unlike the corresponding carboxylic acid analogue and T(3), PA 22c demonstrated liver-selective effects by inducing maximal mitochondrial glycerol-3-phosphate dehydrogenase activity in rat liver while having no effect in the heart. Because of the low oral bioavailability of PA 22c, a series of prodrugs was synthesized and screened for oral efficacy in the CFR assay. The liver-activated cyclic 1-(3-chlorophenyl)-1,3-propanyl prodrug (MB07811) showed potent lipid lowering activity in the CFR (ED(50) 0.4 mg/kg, po) and good oral bioavailability (40%, rat) and was selected for development for the treatment of hypercholesterolemia.[1]

References

Synthesis and biological evaluation of a series of liver-selective phosphonic acid thyroid hormone receptor agonists and their prodrugs. Boyer, S.H., Jiang, H., Jacintho, J.D., Reddy, M.V., Li, H., Li, W., Godwin, J.L., Schulz, W.G., Cable, E.E., Hou, J., Wu, R., Fujitaki, J.M., Hecker, S.J., Erion, M.D. J. Med. Chem. (2008) [Pubmed]

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