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Cellular quiescence is a state characterized by small cell size, lack of spontaneous proliferation and reduced metabolic rate. One goal of the Hu laboratory is to identify novel regulatory genes/networks of T cell quiescence, and determine their roles in T cell homeostasis, tolerance and immune responses.
The microscope in the image belonged to William E. Horner, M.D., a collaborator with Caspar Wistar, M.D., in the early 1800s.
Dr. Horner, a lecturer at the University of Pennsylvania, was a pioneer of the use of microscopes in anatomical and medical research. He authored Special Anatomy and Histology, a seminal text on the subject.