'Missing Link' May Spur New Brain Disorder Drugs
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VANDERBILT V UNI VE RS I TY MEDICAL CENTER www.mc.vanderbilt.edu/reporter Friday, March 14, 2014 VUMC Weekly Publication 'Missing link' may spur new brain disorder drugs by Bill Snyder the class C subfamily of G protein-cou tal structure of the receptor's "trans postdoctoral fellow Karen Gregory, Researchers at the Scripps Research pled receptors (GPCRs) through which membrane domain" bound to a "nega Ph.D.; drug discovery scientist Institute in San Diego and Vanderbilt hormones, neurotransmitters and more tive allosteric modulator" or NAM. The Hyekyung Cho, Ph.D.; and graduate stu University have discovered a "missing (rum a third of all thera~utic drugs exert compound "tunes down" the receptor dent Yan Xia. link" in the structure of a transmem their effects. when activated by glutamate like the "This work leveraged the unique brane receptor that could lead to new "This receptor family is an exciting dimmer switch of an electrical circuit. strengths of the Vanderbilt and Scripps treatments for autism, schizophrenia, new target for future medicines for treat The Scripps team included first teams in applying structural biology, Parkinson's disease and Alzheimer's dis ment of brain disorders," said P. Jeffrey author Huixian Wu and Chong Wang, molecular modeling, allosteric modula ease. Conn, Ph.D., director of the Vanderbilt both graduate students, staff scientist tor pharmacology and structure activity In an article posted online last week in Center for Neuroscience Drug Discovery Gye Won Han, Ph.D., assistant professor relationships to validate the receptor Science magazine, the researchers, led by (VCNDD), who contributed to the study. Vsevolod Katritch, Ph.D., and associate structure," Niswender said. senior author Raymond Stevens, Ph.D., "This new understanding of how professor Vadim Cherezov, Ph.D. National Institutes of Health grants professor of Molecular Biology and drug-like molecules engage the receptor The Vanderbilt team included Colleen that supported the research included Chemistry at Scripps, achieved the first at an atomic level promises to have a Niswender, Ph.D., VCNDD director of GM094618, GM073197, NS031373, high-resolution crystal structure of a major impact on new drug discovery Molecular Pharmacology and research NS078262 and MH090192; additional metabotropic glutamate receptor, mGlul. efforts," said Conn, the Lee E. Limbird associate professor of Pharmacology; support was provided by the The receptor, which binds the neuro Professor of Pharmacology. Jens Meiler, Ph.D., associate professor of International Rett Syndrome transmitter glutamate, is a member of The researchers determined the crys- Chemistry and Pharmacology; former Foundation.O Health inforrrtatics • • The team study services reorganizes ing beta-cell regeneration includes, from to rrteet users' needs left, Chunhua Dai,M.D., by Paul Govern Informatics Officer. Support for Medical Center On March 5 in 208 Light Kristie Aamodt, operations is now named Ha 11 . Middleton announcPCI Marcela .