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Growing up with two physics teachers as parents, Lan Huang naturally was drawn to science. In college, she majored in chemistry and later earned a Ph.D. in analytical chemistry, studying insulin secretion from single beta cells.

Huang moved to San Francisco to start her postdoctoral fellowship at the University of California in1996, a move that coincided with the rise of mass spectrometry. She quickly fell in love with the new field of proteomics.

Lan Huang

For several years, Huang worked at UCSF as a staff scientist in the National Insitutes of Health mass spectrometry national resource, collaborating with numerous labs. In 2003, she established her own lab at the University of California, Irvine, to develop new proteomics tools to study the ubiquitin proteasome system, holding a joint appointment until 2012, when she was appointed professor of physiology and biophysics in the university's medical school.

The proteasome — a large multiprotein complex — was the perfect challenge for Huang. As protein degradation is disrupted in numerous diseases, the pathway serves as a promising pharmaceutical target. The proteasome regulates many essential physiological processes in cells — highlighting its biological importance but complicating research studies because many proteins can interact with the complex at varying times.

Early in Huang’s career, few labs used mass spectrometry to analyze protein complexes. Studying protein–protein interactions can be difficult; many complexes within the cell are dynamic, showing tight spatiotemporal regulation. As a result, the Huang lab focused on developing cross-linking strategies to stabilize protein–protein interactions, freezing a moment in time.

Huang summarizes her research program as a combination of new methodology and biological discovery.

“You try to address some questions and you realize that there is some technology that needs to be developed,” Huang said. “Then once you develop some new technology, you try to apply it. … It’s a new push in both directions.”