The Re-Emergence of Ion Channel Drug Discovery

Historically ion channels have been among the most attractive targets for therapeutic intervention. But discovery of new ion channel drugs has come to a halt because ion channels are difficult to assay, require specialized tools and skills to study adequately, and have historically been impossible to study directly in high-throughput mode-the preferred style of the last decade. Now, a variety of automated assay technologies are coming on the market that should increase throughput, and some drug discovery companies have developed proprietary high-throughput methods for in-house use. With industry now interested more than ever in applying higher-throughput technologies to precedented targets, in a sense, ion channel discovery may become a beneficiary of the failures of genomics, combinatorial chemistry, and high-throughput screening.

By Marc Wortman

In a talk at the Yale University School of Medicine this past February, Edward Scolnick, MD, president emeritus of Merck Research Laboratories , reviewed progress in drug discovery over...

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