Chinese scientists on Sunday said they have successfully developed early-stage mouse embryos in space on a retrievable micro-gravity satellite in the first successful development in mammalian embryos in space in human history.
The SJ-10 research probe, launched on April 6, carried more 6,000 mouse embryos in a self-sufficient chamber the size of a microwave oven, said Duan Enkui, a researcher with the Chinese Academy of Sciences.
Of those embryos 600 were placed under a high-resolution camera, which took photographs every four hours for four days and sent them back to Earth.
The pictures showed that the embryos developed from the 2-cell stage – an early-on embryonic cleavage stage – to blastocyst, the stage where noticeable cell differentiation occurs, about 72 hours after the satellite’s launch, Duan said.
The timing was largely in line with embryonic development on Earth, he added.
Once SJ-10 returns home sometime next week, scientists will compare the retrieved embryos with samples on Earth and perform further analyses on the profiles of early embryo development in space.
China launched its 25th retrievable scientific research satellite on Wednesday for the purpose of experiments in a microgravity environment. The satellite, named SJ-10, was transported on the back of a Long March 2-D rocket, which took off from the Jiuquan Satellite Launch Center in northwestern …
Story by CCTV News.