DURHAM, N.C. - When Marc Caron created genetically engineered mice missing a molecule thought to be the main target of cocaine in the brain, he expected the resulting mice would be relatively immune from cocaine's effects. But to his surprise, he and his colleagues at Howard Hughes Medical Institute at Duke University Medical Center found these mice still self-administer cocaine, a behavior akin to addiction in humans.
The above story is based on materials provided by Duke University. Note: Materials may be edited for content and length.
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