Innovations

Old mice regain leg strength after antibody treatment

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Research scientist with gloves holding blood sample on glass in laboratory. Biology doctor analyzing plasma dna for medical discovery in pharmaceutical industry. Science equipment on desk

Muscle stem cells, the cells in muscle fibers that generate new muscle cells after injury or exercise, lose their potency with age. But a study by researchers at Stanford Medicine shows that old mice regain the leg muscle strength of younger animals after receiving an antibody treatment that targets a pathway mediated by a molecule called CD47.

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