Principal Investigator



Jean-Ju Chung, PhD

Assistant Professor

Dept. of C&M Physiology, Yale School of Medicine

Research Interests: Fertility; Ion Channels; Reproduction; Sperm Capacitation; Sperm Motility; Signal Transduction; Membrane Microdomains

email: jean-ju.chung (at)

Published Work in MyBibliography    




Jean-Ju L. Chung received her bachelors and masters degree from Seoul National University, Korea and her Ph.D. from Johns Hopkins University in 2007. She was a postdoctoral fellow with David E. Clapham in the Department of Neurobiology at Harvard Medical School. She joined Yale's Department of Cellular and Molecular Physiology as a faculty member in 2015.

Her research is devoted to investigating cellular signaling via the membrane receptors and ion channels, with a current emphasis on mature spermatozoan motility and fertilization capacity. She has focused her efforts on the primary calcium channel of spermatozoa, CatSper, and has defined its subunits, its distribution in spermatozoa, its function in capacitation, and its effects on fertility. The Chung laboratory applies novel technologies to sperm biology and reproductive research including super-resolution imaging methods, and is continuing to study physiologically relevant molecular changes during mammalian fertilization.


Current Members



Jae Yeon Hwang, PhD

Postdoc fellow

Dept. of C&M Physiology, Yale School of Medicine

email:  jaeyeon.hwang (at)


Huafeng Wang, PhD

Postdoc fellow

Dept. of C&M Physiology, Yale School of Medicine

email: (at)




Huanan Shi (Frederick) (visiting student in research, 2015.9-2016.06)

   - currently graduate student at Baylor College of Medicine

Lukas Ded (postdoc fellow, 2016.05-2017.03)

Min Cheol Lee (visiting student in research, 2016.07-2017.06)

Seema Patel (visiting minor-in-lab, 2017-02-2017-08)