Science news articles about 'siegfried hekimi'

... at McGill University have discovered a dramatic possible new answer: According to Dr. Siegfried Hekimi and colleagues at McGill's Department of Biology, clioquinol acts directly on a protein called ...

... , these molecules are known as reactive oxygen species, or ROS for short. Dr. Siegfried Hekimi of McGill's Department of Biology, said most of the evidence for the oxidative stress theory is ...

... recent studies have begun to question this theory, though, and to get some more direct answers, Siegfried Hekimi and colleagues at McGill University examined the mitochondria of MCLK1-defective mice, ...