Immunology
The scientific community needs a comprehensive picture of the immune cells and molecular pathways that regulate physiologic and pathologic processes, in order to develop targeted medical therapies and overcome current pervasive therapeutic challenges.

Credit: National Institute of Allergy and Infectious Diseases/NIH
T Regulatory Cells. Scanning electron microscope image of T regulatory cells (red) interacting with antigen-presenting cells (blue). T regulatory cells can suppress responses by T cells to maintain homeostasis in the immune system.