Discovery of tetrahydroisoquinoline (THIQ) derivatives as potent and orally bioavailable LFA-1/ICAM-1 antagonists.
Summary of "Discovery of tetrahydroisoquinoline (THIQ) derivatives as potent and orally bioavailable LFA-1/ICAM-1 antagonists."
This letter describes the discovery of a novel series of tetrahydroisoquinoline (THIQ)-derived small molecules that potently inhibit both human T-cell migration and super-antigen induced T-cell activation through disruption of the binding of integrin LFA-1 to its receptor, ICAM-1. In addition to excellent in vitro potency, 6q shows good pharmacokinetic properties and its ethyl ester (6t) demonstrates good oral bioavailability in both mouse and rat. Either intravenous administration of 6q or oral administration of its ethyl ester (6t) produced a significant reduction of neutrophil migration in a thioglycollate-induced murine peritonitis model.
Sunesis Pharmaceuticals, Inc., 395 Oyster Point Blvd., Suite 400, South San Francisco, CA 94080, USA.
This article was published in the following journal.
Name: Bioorganic & medicinal chemistry letters
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/20655213
- DOI: http://dx.doi.org/10.1016/j.bmcl.2010.06.145
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A plant family of the order Cornales, subclass Rosidae, class Magnoliopsida, consisting of slow-growing evergreen trees common in tropical forests of south India and Burma. Members contain tetrahydroisoquinoline-monoterpene and iridoid glycosides.