TSRI Chemist Keary Engle Receives NIH's Outstanding Investigator Award LA JOLLA, CA August 15, 2017 Keary M. Engle, an assistant professor of chemistry at The Scripps Research Institute (TSRI), has been awarded a $1.25 million grant from NIH's National Institute of General Medical Sciences (NIGMS). The R35 grant, also known as an Outstanding Investigator Award and Maximizing Investigators Research Award (MIRA) for Early Stage Investigators, will support the Engle Laboratory's development of powerful new molecule-building techniques for drug discovery.
The five-year award provides general, long-term support for research programs that are deemed especially promising. It is aimed at scientists who are just starting their careers to help free them from the usual pressure to compete for shorter-term grants.
The Outstanding Investigator Award provides the security of knowing money is coming in without a competitive renewal in a couple years, so we can focus on the science rather than fundraising, Engle said.
Engle, 31, obtained his Ph.D. in chemistry from TSRI and D.Phil. in Biochemistry from the University Oxford in 2013 as part of the Skaggs-Oxford Scholarship program and after postdoctoral work at Caltech, returned to the Institute as a faculty member two years ago. His laboratory focuses on the development of chemical reactions to transform relatively simple, cheap, feedstock organic compounds into more complex molecules that could be highly valuable as lifesaving drugs, for example.
Methods for converting chemical feedstocks into structurally and functionally rich target molecules have been lacking, and that has really hamstrung a lot of drug discovery research, he said.
Engle's specific plan is an ambitious one: to develop a suite of metal-catalyzed reactions for adding two functional groups selectively to adjacent carbon atoms on alkenes and alkynes two very large classes of organic molecules that include many cheap feedstock compounds. Adding functional groups side by side like this can be a quick way to make compounds that can engage a biological target. It's a challenging task, though, and the current methods for achieving it are often too cumbersome, limited in scope, and expensive for routine use.
Engle aims to develop more practical and sustainable methods that don't require dozens of steps, consume a lot of reagents, require extreme conditions or leave a lot of toxic byproducts yet do give chemists the molecule-building power they need over a wide range of applications.
Our goal is to develop an inherently combinatorial, catalytic platform for introducing any two functional groups to alkenes or alkynes in a programmable fashion, he said.
When fully realized, the platform should enable researchers to create with relative ease libraries of thousands of new compounds, including many that have never been practically accessible via organic synthesis, using cheap alkenes and alkynes. That in turn could mean the development of many new drugs and other chemical products, from laboratory probes to plastics.
Engle has collaborations underway with other, more pharma-oriented, scientists at TSRI and at TSRI's translational arm, Calibr, and has been making steady progress toward his goals. In one paper that came out earlier this month, he and members of his lab described a new reaction to add nitrogen- and carbon-containing groups across a carbon-carbon double bond in a highly selective way. The chemists demonstrated the new method by using it to prepare four existing drug compounds plus a variant of one of them.
This new method shows that our chemistry can be a versatile tool for quickly accessing chemical motifs or structures that are known to be biologically active, Engle said. We think that ultimately it will be a very powerful platform for making libraries of promising molecules for drug discovery.
After just two years in operation, the Engle Laboratory already employs a dozen graduate students and postdoctoral scholars and has several undergraduate and high school interns as well.
Starting out, we were supported generously from TSRI funds and a donation from Pfizer, so we've been able to grow nicely before federal grant money kicked in, and now that the grant money is there too, we're on a healthy trajectory, Engle said.
About The Scripps Research Institute
The Scripps Research Institute (TSRI) is one of the worlds largest independent, not-for-profit organizations focusing on research in the biomedical sciences. TSRI is internationally recognized for its contributions to science and health, including its role in laying the foundation for new treatments for cancer, rheumatoid arthritis, hemophilia, and other diseases. An institution that evolved from the Scripps Metabolic Clinic founded by philanthropist Ellen Browning Scripps in 1924, the institute now employs more than 2,500 people on its campuses in La Jolla, CA, and Jupiter, FL, where its renowned scientists including two Nobel laureates and 20 members of the National Academies of Science, Engineering or Medicine work toward their next discoveries. The institutes graduate program, which awards PhD degrees in biology and chemistry, ranks among the top ten of its kind in the nation. In October 2016, TSRI announced a strategic affiliation with the California Institute for Biomedical Research (Calibr), representing a renewed commitment to the discovery and development of new medicines to address unmet medical needs. For more information, see www.scripps.edu.
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TSRI Chemist Keary Engle Receives NIH's Outstanding Investigator Award LA JOLLA, CA August 15, 2017 Keary M. Engle, an assistant professor of chemistry at The Scripps Research Institute (TSRI), has been awarded a $1.25 million grant from NIH's National Institute of General Medical Sciences (NIGMS). The R35 grant, also known as an Outstanding Investigator Award and Maximizing Investigators Research Award (MIRA) for Early Stage Investigators, will support the Engle Laboratory's development of powerful new molecule-building techniques for drug discovery.
