Up until recently, many people assumed that manned space exploration was only restricted by our limitations in aeronautical engineering, but the hurdles may be greater. A new study shows that stem cells developed differently in a bioreactor designed to imitate conditions in space. These findings raise new questions about the viability of extended space travel for humans.
Researchers found that nearly two-thirds of the proteins that developed in the cells in the bioreactor were not found in the control group. In particular, proteins that facilitate the breakdown of bone and the body’s regulation of calcium were present in the bioreactor cells and not the control. Of course, more research is needed to determine the extent of differentiation in cell development, but this is certainly a new obstacle for deep space travel.
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