Space travel has effects on planarian regeneration that cannot be explained by a null hypothesis

Levin, Michael; Morokuma, Junji; Finkelstein, Joshua M.

doi:10.1002/reg2.89

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Physiological Effects Of Altered Gravity and Magnetic Field1

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2020

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“…But we need to note that pharynx fragments left on Earth did not survive the duration of the mission in this work. Levin et al thought that people should be cautious about this result; maybe it is not really induced by microgravity [21].…”

Section: Physiological Effects Of Altered Gravity and Magnetic Fieldmentioning

confidence: 99%

Extreme Environmental Stress‐Induced Biological Responses in the Planarian

Cao

Liu

Zhao

et al. 2020

BioMed Research International

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Planarians are bilaterally symmetric metazoans of the phylum Platyhelminthes. They have well-defined anteroposterior and dorsoventral axes and have a highly structured true brain which consists of all neural cell types and neuropeptides found in a vertebrate. Planarian flatworms are famous for their strong regenerative ability; they can easily regenerate any part of the body including the complete neoformation of a functional brain within a few days and can survive a series of extreme environmental stress. Nowadays, they are an emerging model system in the field of developmental, regenerative, and stem cell biology and have offered lots of helpful information for these realms. In this review, we will summarize the response of planarians to some typical environmental stress and hope to shed light on basic mechanisms of how organisms interact with extreme environmental stress and survive it, such as altered gravity, temperature, and oxygen, and this information will help researchers improve the design in future studies.

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Section: Physiological Effects Of Altered Gravity and Magnetic Fieldmentioning

confidence: 99%