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Craig January

Craig January

Cardiac arrhythmia, ion channels, hERG potassium channel, drug-induced and inherited long QT syndrome, safety pharmacology

Professor, medicine and physiology School of Medicine and Public Health Work: 608-263-5561 Home page


  • Long QT syndrome: more than 20 years experience in basic investigation of cellular and ion channel mechanisms
  • hERG potassium channel: developed mammalian expression models used world-wide; extensive safety experience interacting with pharmaceutical industry
  • Cardiac arrhythmias: developed the University of Wisconsin Inherited Arrhythmias Clinic


  • Member, multiple national science organizations related to cardiology and cardiac arrhythmias. Past-president Cardiac Electrophysiology Society
  • Developed hERG-expressing mammalian cell line used worldwide