London: T cells use a movement tactic to track down parasites that is similar to strategies that predators like monkeys, sharks and blue-fin tuna use to hunt their prey, a new study has revealed.With this new insight into immune-cell movement patterns, scientists of the cross-disciplinary team at the University of Pennsylvania will be able to create more accurate models of immune-system function, which may, in turn, inform novel approaches to combat diseases from cancer to HIV/AIDS to arthritis.The study was conducted in mice infected with the parasite Toxoplasma gondii.This single-celled pathogen is a common cause of infection inanimals and humans. As much as a third of the world`s population has an inactive form of this infection present in the brain.
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