Spaceflight Speeds Up Stem Cell Aging

UC San Diego study published on 2025-09-04 found spaceflight speeds up aging in blood and immune stem cells on the International Space Station.
Study expands on 2015-2016 NASA Twins Study and uses insights from 44 aerospace medicine and biology studies.
AI-driven nanobioreactors on four SpaceX International Space Station resupply missions tracked HSPC changes.
Hematopoietic stem and progenitor cells lost regeneration, DNA damage, and activated silent genome regions.
Twyman Clements of Space Tango shared findings, highlighting collaboration.
Findings impact astronaut health and aging/cancer research on Earth.
Follow-up missions and stem cell preservation strategies planned.

Space Research | Aging | Biology

United States

Twyman Clements

1 week ago