Stopped: Grant ended
The proposal contained herein seeks to examine the effect of simulated microgravity on important cell-cell interactions that govern vascular health. The interest lies in endothelial cell (EC) and macrophage cell interactions. The investigators are proposing to first understand how microgravity effects the macrophage and EC function or pro-healing capabilities. Next, the study team plans to develop a 3D tissue regeneration model in which macrophages and ECs are co-cultured in a hydrogel matrix. Utilizing this model, the team will assess how microgravity influenced macrophage-EC interactions in 3D. The investigators will assess EC tubule volume (or blood vessel development), macrophage spreading and the interactions with endothelial tubule sprouts. This model will serve as a critical foundation for future grant opportunities as it allows the assessment of tissue regeneration and vascular health in a 3D tissue microenvironment
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Isolate macrophages
Timeframe: within 4 hours of blood collection