‘They would understand that, if, when their turn comes, and things grow to be terrible, they have a means out,’ he writes. However in another article, senior palliative care and attention doctors warn that legalised euthanasia would keep vulnerable groups available to therapeutic eliminating without consent. Rob George and colleagues argue that assisted suicide cannot be separated from euthanasia, and reject the arguments that legalised euthanasia promotes autonomy of the dying in general or that any safeguards are ethically sustainable.If experts continued feeding the mice cuprizone for 12 weeks, degrees of the inflammatory factor and its receptor dropped significantly. At 12 weeks the mice were not able to restore myelin also, suggesting a potential connection between myelin repair and CXCR4. Related StoriesResearchers successfully repair nerve cell damage in Alzheimer's dementiaStudy reveals mechanism behind protein-related diseasesGriffith University uncovers first 3-D image of protein linked to cancer spread’This was a surprise, because the main thing CXCR4 has been known for is its function in forming the brain, not healing the brain,’ Klein says. ‘But we did understand that injury increases the number of human brain cells that produce CXCR4, so it wasn’t an unreasonable spot to look.’ Klein showed that the cells destined to become oligodendrocytes and restoration myelin damage, referred to as neural precursor cells, have high levels of the CXCR4.