Space Travel Disrupts Heart Rhythm

This is a news story, published by Technology Networks, that relates primarily to Johns Hopkins Medicine news.

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Space Travel Found To Disrupt Normal Rhythm in Heart Muscle Cells

Summary

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92% Informative

Low gravity weakens bioengineered heart tissues, impacting function and rhythm.

Johns Hopkins Medicine scientists report evidence that the low gravity conditions in space weakened the tissues and disrupted their normal rhythmic beats.

The findings expand scientists' knowledge of low gravity's potential effects on astronauts' survival and health during long space missions.

The tissues at the space station showed increased gene production involved in inflammation and oxidative damage, also hallmarks of heart disease.

The scientists are continuing to improve their "tissue on a chip" system and are studying effects of radiation on heart tissues.

The space station is in low Earth orbit, where the planet's magnetic field shields occupants from most of the effects of space radiation.

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