Conclusions

  • Macrophages respond to microgravity within 8 seconds.

  • Space flight makes bone marrow cells proliferate faster but it slows the rate at which bone marrow cells differentiate into macrophages.

  • Space flight increases the concentration of cytokines the macrophage cell line, B6MP102, secretes.

  • THESE DATA SUGGEST THAT MACROPHAGES ARE AFFECTED BY MICROGRAVITY AND SPACE FLIGHT.

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