What Is the Effect of Microgravity on the Development of Murine Myoblasts? Student Spaceflight Experiment Program 2010-2011 Alexis Albert, Grace Dry, Tyler Jackson, Jake O’Brien, Madison Russell, Leanne Sorrel Copper Mill Elementary Zachary Community School District Zachary, Louisiana
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What Is the Effect of Microgravity on the Development of Murine Myoblasts? Student Spaceflight Experiment Program 2010-2011 Alexis Albert, Grace Dry, Tyler.
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• What is the effect of microgravity on the development rate of murine myoblasts?
• Will the myoblasts fuse to form myotubes at the same rate in microgravity as they do on Earth?
• Will the myoblasts use the same amount of nutrients in microgravity as they do on Earth?
• The team hypothesized that the process of myogenesis will occur slower in microgravity.
Working with Louisiana State University and the Reproductive
Biology Center
Working with Louisiana State University and the Reproductive
Biology Center
Analyzing Samples• Glucose level before flight: 519 mg/DL• Glucose level of microgravity sample: 449 mg/DL• Glucose level of control: 563.3 mg/DL
Conclusion• Due to the variability of measurement, the team determined that
there were no significant differences between the two samples, thus concluded that microgravity does not have an effect on murine myoblast development.
• There were no significant differences in the glucose intake levels between the samples exposed to microgravity and those kept on Earth.
• Bacteria growth in the samples exposed to microgravity may have altered the results. The control samples were also compromised and had to be run again at a different time than the experiment, thus they were prepared from a different group of cells, thus the control can no longer be used as a reliable comparison. To ensure validity of the observations, additional replicates of the experiment should be run.
• The team is focused on the achievement of successfully sending myoblasts into orbit and having them return!