Researchers at the University of Colorado’s Anschutz Medical Campus have found the brains of mice used in laboratories worldwide can be profoundly affected by the type of cage they are kept in, a breakthrough that may require scientists to reevaluate the way they conduct future experiments.
“We assume that mice used in laboratories are all the same, but they are not,” said Diego Restrepo, director of the Neuroscience Program and professor of cell and developmental biology whose paper on the subject was published Tuesday, June 29. “When you change the cages you change the brains and that affects the outcomes of research.”
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