Rubins conducts Heart Cells Experiment OPS

iss048e045065 (7/27/2016) --- NASA astronaut Kate Rubins pauses for a photo while using the Microscope to conduct Heart Cells experiment operations. Effects of Microgravity on Stem Cell-Derived Cardiomyocytes (Heart Cells) studies the human heart, specifically how heart muscle tissue, contracts, grows and changes (gene expression) in microgravity and how those changes vary between subjects.