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Sten Orrenius, Professor Emeritus at Karolinska Institutet, died on April 27, 2020. Dr. Orrenius was an internationally renowned and highly respected toxicologist because of his groundbreaking research in drug metabolism, the role of disruption of calcium homeostasis in cellular toxicity and mechanisms of programmed cell death (apoptosis).
Twelve researchers at Karolinska Institutet qualify for the annual list of highly cited researchers compiled by Web of Science.
Studies conducted at Karolinska Institutet and Uppsala University show that some indigenous groups in the Andes of northern Argentina have increased resistance to arsenic. The researchers also identified the gene that underlies the altered metabolism and protects against exposure to arsenic. This study is the first to show that some humans have genetically adapted to a polluted environment.
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