期刊
STEM CELLS TRANSLATIONAL MEDICINE
卷 9, 期 9, 页码 1085-1101出版社
OXFORD UNIV PRESS
DOI: 10.1002/sctm.19-0323
关键词
cerebrospinal fluid; germinal zone; intraventricular hemorrhage; neural stem cell; neurogenesis; premature infant
资金
- Andalusian Consejeria de Salud
- Ramon y Cajal Program [RyC-2013-13221]
- MINECO [SAF2016-80205-R]
- CERCA Program/Generalitat de Catalunya
Intraventricular hemorrhage is a common cause of morbidity and mortality in premature infants. The rupture of the germinal zone into the ventricles entails loss of neural stem cells and disturbs the normal cytoarchitecture of the region, compromising late neurogliogenesis. Here we demonstrate that neural stem cells can be easily and robustly isolated from the hemorrhagic cerebrospinal fluid obtained during therapeutic neuroendoscopic lavage in preterm infants with severe intraventricular hemorrhage. Our analyses demonstrate that these neural stem cells, although similar to human fetal cell lines, display distinctive hallmarks related to their regional and developmental origin in the germinal zone of the ventral forebrain, the ganglionic eminences that give rise to interneurons and oligodendrocytes. These cells can be expanded, cryopreserved, and differentiated in vitro and in vivo in the brain of nude mice and show no sign of tumoral transformation 6 months after transplantation. This novel class of neural stem cells poses no ethical concerns, as the fluid is usually discarded, and could be useful for the development of an autologous therapy for preterm infants, aiming to restore late neurogliogenesis and attenuate neurocognitive deficits. Furthermore, these cells represent a valuable tool for the study of the final stages of human brain development and germinal zone biology.
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