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Canadian Space Agency (CSA) astronaut Dr. David Saint-Jacques is taking part in a made-in-Ottawa experiment on bone marrow health during his six-month .
The study, led by Dr. , is called MARROW, and will provide world-first insights into how space travel affects the bone marrow, which produces blood cells. These findings will inform longer space missions, and back on Earth who spend weeks in bed recovering from illness.
鈥淎board the International Space Station, I will be participating in hundreds of science experiments on behalf of researchers from around the world,鈥 said Dr. Saint-Jacques. 鈥淚 will conduct Canadian experiments which focus on health sciences, like MARROW. As a doctor, I have a strong interest for that type of research that has concrete impacts on the lives of Canadians.鈥
Dr. Saint-Jacques is one of 14 astronauts who signed up to be part of the MARROW study. Breath and blood samples are taken over the course of their six-month mission in space and in the year after they return to Earth. The goal is to understand how living in space affects their bone marrow health and how it recovers upon their return.
鈥淲hat astronauts go through in space is similar to what I see in my own patients,鈥 said Dr. Trudel, a researcher and rehabilitation physician at The Ottawa Hospital Rehabilitation Centre and professor at the University of Ottawa. 鈥淭he low gravity in space weakens muscles and bones. The same happens to patients who spend a long time in bed in the intensive care unit.鈥
Many researchers travel to the Johnston Space Center to pitch their projects, hoping for astronauts to say 鈥測es.鈥 Dr. Trudel鈥檚 team beat the odds, with 14 astronauts signing up for MARROW in just three years.
鈥淰ery few astronauts we talked to said 鈥渘o鈥 to MARROW,鈥 said Dr. Trudel. 鈥淏ecause they were so eager to sign up, everything is going much faster than I anticipated.鈥 He expects all the data will be collected by 2020, and the results published soon after.
Not only did Dr. Saint-Jacques agree to take part in the study, but he also visited Dr. Trudel鈥檚 lab to help the team adapt their experiment for space.
鈥淒r. David Saint-Jacques has been a very enthusiastic supporter of MARROW,鈥 said Dr. Trudel. 鈥淎s a doctor, he could see this was an experiment that needed to be done, not only to help astronauts in space, but for patients here on Earth.鈥
After recruiting all 14 astronauts, work is far from over for Dr. Trudel鈥檚 team. Every day they need to be aware of what is happening on the International Space Station so they can adapt the experiment or the delivery of supplies. Dr. Trudel said MARROW remains an exciting project, full of unknowns, including what the results will be. The project was funded by the Canadian Space Agency.
鈥淗aving a Canadian astronaut aboard the space station is the most visible part of Canada鈥檚 contributions to space exploration,鈥 said Dr. Trudel. 鈥淏ut Canada鈥檚 work in robotics, artificial intelligence and telemedicine are all essential to the space program and helping the next generation of astronauts achieve even longer missions.鈥
For more information about Dr. Trudel鈥檚 MARROW project, see the , and NASA鈥檚 and . For more information about Dr. Saint-Jacques鈥 mission, see the
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