Per aspera ad astra: malignant mutations were found in astronauts after being in space - ForumDaily
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Per aspera ad astra: Malignant mutations found in astronauts after being in space

A study of blood samples from astronauts who participated in NASA's first orbital mission showed an increased level of mutated cells. This caused serious concern among specialists, they have already called for studying the risk of cancer after space flights, reports TechnoNV.

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The astronauts flew between 1998 and 2001. On average, each of them stayed in orbit for 12 days. Approximately 85% of the group were men, and the six astronauts were on their first mission.

The researchers took whole blood samples from the participants twice, exactly 10 days before the flight and on the day of landing. Leukocytes were collected once, three days after planting. The blood samples were then placed in a freezer for 20 years at -80°C.

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Somatic mutations observed in the genes were less than two percent. Technically, the threshold beyond which the risk of developing cancer and cardiovascular disease begins is not exceeded. But the figures were close enough to a dangerous level and exceeded the average figures among astronauts of the same age who had not been in space.

“The presence of these mutations does not necessarily mean that astronauts will develop cardiovascular disease or cancer, but there is a risk that this could happen over time due to constant and prolonged exposure to extreme deep space environments,” added David Ghukasian, presenter author of the study.

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The study of the effect of a long stay in space on the body will be the subject of further research. This is important in light of the future launch of the Artemis mission, as well as the landing on Mars, which humanity is planning for the foreseeable future.

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