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10.1194/jlr.M027433 25 MatsumotoJ.OgawaH.MaeyamaR.OkudairaK.ShinkaT.KuharaT.et al (1997)

Injury to the mammalian spinal cord results in nearly complete failure of the severed axons to regenerate

This is why it is labelled a conditionally essential nutrient

Low gut microbial diversity and a high level of proinflammatory markers and microbiota-derived LPS are often associated with obesity and MS (67)
