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Much of the work carried out by DTT is in support of the National Toxicology Program (NTP), an interagency partnership of the Food and Drug Administration, National Institute for Occupational Safety and Health, and NIEHS.

Mechanistic Toxicology Branch

Erik Tokar, Ph.D., leads the Stem Cell Toxicology Group in the Mechanistic Toxicology Branch, Division of Translational Toxicology (DTT). His group’s current research involves developing pluripotent stem cell-based models to examine in vitro mechanisms of developmental toxicology. The group also develops in vitro models of carcinogenesis which are used to investigate the roles and mechanisms of possible or known environmental human carcinogens.

Tokar obtained his Bachelor of Science in biology from University of Michigan, followed by a Ph.D. in cancer biology from Michigan State University. He did postdoctoral fellowship with NCI at NIEHS before starting his current position at DTT.

Recent Publications

NTP Reports

More Recent Publications from PubMed