PMC:2063610 / 38821-39275 JSONTXT

{"project":"CellFinder","denotations":[{"id":"T525","span":{"begin":184,"end":188},"obj":"Species"},{"id":"T526","span":{"begin":49,"end":53},"obj":"Species"}],"text":"Animal strains\nYoung (2–3 months), C57-BL/6 male mice were obtained from pathogen-free breeding colonies at Jackson Laboratories (Bar Harbor, ME, USA). Aged 22–24 months C57-BL/6 male mice were obtained from the National Institute on Aging (NIH). Animals were maintained in the North-West Animal Facility of the University of California, Berkeley, CA, USA, and handled in accordance with the Administrative Panel on Laboratory Animal Care at UC Berkeley."}