Dr. Mellman explains that the immune system is made up of specialized cells that protect us from the huge number of pathogens we continually encounter. The immune system has two “arms”; innate immunity which detects components shared by all pathogens and adaptive immunity which detects components specific to individual pathogens. Mellman explains how these two “arms” work and the important role of dendritic cells in linking the two “arms” together.
Ira Mellman is Vice President of Research Oncology at Genentech. Ira is a cell biologist with a long standing interest in membrane traffic. His lab is reponsible for key observations leading to the initial discovery of endosomes, the mechanisms of epithelial cell polarity, and the cellular basis of dendritic cell function. Until 2007, Ira was… Continue Reading