Study: 'Mighty mice' stayed strong in space with gene treatment

Targeting a signaling pathway in mice helped them retain muscle and bone mass aboard the International Space Station, according to a new study.

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  • Losing bone and muscle mass in space is a major health concern for astronauts.
  • In a recent study, scientists genetically altered mice and sent them to the International Space Station.
  • The genetically altered mice retained — or even gained — muscle and bone mass, while a control group suffered significant losses.
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