First Experiment on Planarian Regeneration Conducted | China Space Station
Planarians, flatworms with an evolutionary history spanning over 520 million years, are one of the widely used experimental animal models in biological research. These organisms demonstrate an exceptional capacity for tissue repair: when bisected, planarians can regenerate lost muscles, skin, intestines, and even an entire brain from each segment—a process that can be repeated indefinitely.
Researchers aim to investigate how the space environment affects the regenerative processes and physiological behavior of planarians. They will also explore the molecular mechanisms behind space-induced effects on planarian regeneration, thereby advancing scientists' understanding of regenerative biology.
Inside the Wentian laboratory module, the Shenzhou-20 crew observed samples in the biotechnology experiment cabinet and used the scientific glovebox to collect solid culture samples. The collected data and samples will assist researchers on Earth in studying the microbial mechanisms affecting cell tissue culture modules.
This initiative follows the successful inclusion of zebra fish and fruit flies in science experiments conducted aboard China's space station.
The Shenzhou-20 crew will carry out 59 additional space science experiments and technology tests in fields, such as space life science, microgravity physics, and new space technologies, with potential breakthroughs in cultivation of vascularized brain organoid chips, soft matter non-equilibrium dynamics, and high-temperature superconducting material preparation.
Chen Zhong Rui (陈中瑞) - Operator - First spaceflight
Wang Jie (王杰) - Flight Engineer - First spaceflight
Video Credit: CCTV
Duration: 1 minute
Release Date: May 11, 2025
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