Immunology Graduate Group

Intracellular parasite Toxoplasma gondii expressing a red fluorescent protein while inside a fibroblast. Photo courtesy of Chris Hunter.
Scanning electron micrograph of T cells (rose/pink) bound to beads coated with anti-CD3/CD28 antibodies (yellow), which stimulate and activate T cells. Photo courtesy of the Biomedical Imaging Core at the University of Pennsylvania.
A dividing, microbe-specific T lymphocyte displaying unequal inheritance of signaling proteins to its daughter cells. Asymmetric cell division may be a mechanism to generate the spectrum of cell fates required for immunity. Photo courtesy of Steve Reiner.
Scanning electron micrograph of the murine intestine following infection with the nematode parasite Trichuris. A larval parasite is observed invading host intestinal epithelial cells and forming syncitial tunnel in the epithelial layer. Photo courtesy of David Artis.
Biomedical Graduate Studies | University of Pennsylvania | Contact
