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In Vitro Growth of Mouse Preantral Follicles Under Simulated Microgravity
Published on: December 17, 2017
Simulated microgravity decreases apoptosis in fetal fibroblasts
Michaël Beck1, Kevin Tabury, Marjan Moreels
1Laboratory of Molecular and Cellular Biology, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre, SCK•CEN, Mol, Belgium.
International Journal of Molecular Medicine
|May 23, 2012
Summary
Space radiation and microgravity pose risks to development. Simulated microgravity reduced apoptosis and prevented radiation-induced cell growth in mouse cells, suggesting a protective effect against radiation damage.
Area of Science:
- Cell biology
- Space medicine
- Developmental biology
Background:
- Space travel presents challenges to human development.
- Space radiation and microgravity are key environmental stressors.
- Effects of combined radiation and microgravity on development are poorly understood.
Purpose of the Study:
- Investigate the combined effects of simulated microgravity and space radiation on mouse fetal fibroblast cells.
- Determine if microgravity influences radiation-induced cellular changes.
Main Methods:
- Used a random positioning machine (RPM) to simulate microgravity.
- Irradiated STO mouse fetal fibroblast cells.
- Assessed cell cycle, morphology, apoptosis (caspase-3 activity), and cell size.
Main Results:
- Simulated microgravity did not alter radiation-induced cell cycle changes.
- No morphological differences were observed between irradiated and irradiated+microgravity groups.
- Microgravity simulation significantly reduced apoptosis and prevented radiation-induced cell enlargement up to 1 Gy.
Conclusions:
- Simulated microgravity may offer a protective effect against radiation-induced apoptosis and cell growth.
- Further research is needed to understand the implications for space travel and development.
