rootbrowseIAC-06A1session 44. Cellular and Molecular Mechanisms Underlying Spaceflight ResponsesPapers1. Cultured stem cells are sensitive to gravity changes2. Splenic volume unloading may obscure right atrial signaling during simulated microgravity3. Reduced function and disorganized cytoskeleton of cardiomyocytes in spaceflight4. Effects of 30d Simulated Weightlessness on Antioxidant Defense System in Rat Liver5. ICE FIRST: biological response during a 10 day round trip to the International Space Station6. Gene-expression profiling during embryogenesis of Zebrafish under microgravity conditions7. Cellular and molecular basis for nutritional countermeasures in the microgravity environment8. Bone Proteomics experiment (BOP): the first proteomic analysis of mammalian cells cultured in weightlessness conditions9. Low Magnitude and High Frequency Vibration Prevents Simulated Microgravity-Induced Decrease in a Bone Formation Response in Osteoblasts