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Hematology Beyond Earth: Space Travel’s Impact on Blood Unveiled at EHA Congress
Milan, Italy – the 2025 European Hematology Association (EHA) Congress showcased groundbreaking research, extending the boundaries of hematology beyond our planet. Scientists are investigating the profound effects of space travel on blood, addressing critical health challenges for astronauts and future space tourists alike.
Blood in Space: new Frontiers in Hematology
The EHA Congress highlighted that hematology is not confined to Earth, with researchers delving into how space conditions affect blood health.From gene expression changes to coagulation risks and immune responses, the complexities of hematology in space are being explored.
Hemoglobin Production Under Low Gravity
Astronauts frequently experience anemia during extended space missions, yet the underlying causes remain unclear. Joseph Borg,Phd,affiliated with Nasa GeneLab And The University of Malta,presented findings from nasa’s Twins Study And The Spacex Inspiration-4 Mission.
These studies revealed that space travel alters gene expression related to hemoglobin. Specifically, adult globin gene expression decreases while fetal globin gene expression increases. According to Borg, this indicates that “erythropoiesis shifts to the primitive type,” potentially offering new therapeutic targets.
Coagulation Risks in Space
Space presents a hostile surroundings with challenges like weightlessness and radiation. Roopen Arya, Phd, of King’s College London, emphasized that these conditions elevate the risk of coagulation disorders, including venous thromboembolism.
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