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NASA study: Astronaut’s DNA no longer identical to his identical twin’s after year in space

A brand new examine from NASA has discovered that astronaut Scott Kelly’s genes are now not equivalent to these of his equivalent twin after spending a yr in area.

Preliminary outcomes from NASA’s Twins Study discovered that seven % of Kelly’s genes now not match these of his twin, Mark. Scott Kelly spent one yr aboard the Worldwide House Station throughout the examine, whereas his brother remained on Earth.

Whereas in area, researchers monitored Kelly’s metabolites, cytokines, and proteins to learn the way area journey impacts organic techniques.

Although most of Kelly’s organic modifications returned to baseline ranges after returning to Earth, seven % of his genes level to doable long-term modifications, in line with the examine.

NASA’s preliminary findings had been validated this week, according to Space.com.

“The Twins Research has benefited NASA by offering the primary utility of genomics to judge potential dangers to the human physique in area,” in line with a launch from the company.

Kelly’s one-year mission was twice so long as astronauts’ typical missions aboard the Worldwide House Station, however it’s a “stepping stone” to an eventual three-year mission to Mars, the company mentioned.

Mark Kelly, who can also be a retired NASA astronaut, is the husband of former Rep. Gabrielle Giffords (D-Ariz.).


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