{"id":48267,"date":"2013-01-23T00:00:00","date_gmt":"2013-01-22T23:00:00","guid":{"rendered":"http:\/\/www.pcb.ub.edu\/researchers-from-ibec-have-revealed-a-promising-new-strategy-for-regenerating-the-central-nervous-system\/"},"modified":"2020-11-18T14:52:57","modified_gmt":"2020-11-18T13:52:57","slug":"researchers-from-ibec-have-revealed-a-promising-new-strategy-for-regenerating-the-central-nervous-system","status":"publish","type":"post","link":"https:\/\/www.pcb.ub.edu\/en\/researchers-from-ibec-have-revealed-a-promising-new-strategy-for-regenerating-the-central-nervous-system\/","title":{"rendered":"Researchers from IBEC have revealed a promising new strategy for regenerating the central nervous system"},"content":{"rendered":"

”<\/p>\n

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\t\t\tDespite recent advances in understanding the mechanisms of nerve injury, tissue-engineering solutions for repairing damage in the central nervous system (CNS) remain elusive, owing to the crucial and complex role played by the neural stem cell (NSC) niche. This zone, in which stem cells are retained after embryonic development for the production of new cells, exerts a tight control over many crucial tasks such as growth promotion and the recreation of essential biochemical and physical cues for neural cell differentiation. <\/p>\n

According to the first author of the paper, Zaida \u00c1lvarez of the Biomaterials for Regenerative Therapies group, “in order to develop tissue-engineering strategies to repair damage to the CNS, it is essential to design biomaterials that closely mimic the NSC niche and its physical and biochemical characteristics.” <\/p>\n

In the study headed by Soledad Alc\u00e1ntara of the University of Barcelona, the team tested types of polylactic acid (PLA) with different proportions of isomers L and D\/L, a biodegradable material allowing neural cell adhesion and growth, as materials for nerve regeneration. They found that one type, PLA with a proportion of isomers of 70\/30, maintained the important pools of neuronal and glial progenitor cells in vitro. <\/p>\n

The results suggest that the introduction of 3D patterns mimicking the architecture of the embryonic NSC niches on PLA70\/30-based scaffolds may be a good starting point for the design of brain-implantable devices. “The physical properties of this material and the release of L-lactate when it degrades, which provides an alternative oxidative substrate for neural cells, act synergistically to modulate progenitor phenotypes.” explains Dr Alc\u00e1ntara. <\/p>\n

For further information [+]<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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