New neurons are born not from mature nerve cells but rather develop from neural stem cells that remain in our brains throughout life.

新生神经元不是由成熟神经细胞产生的，而是来源于终身存在于大脑中的神经干细胞。

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In addition to its neuroprotective and repair functions, NGF plays important roles in proliferation, survival, migration and differentiation of the neural stem cells.

其除具备营养神经元、保护和修复受损神经等生物学效应外，对神经干细胞的增殖、存活、迁移和分化等过程也具有一定的影响。

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Identification of neural stem cells.

神经干细胞鉴定。

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It used to be thought that neural stem cells--which divide to produce nerve cells in an embryonic brain--shut down in adulthood.

ECONOMIST: Something new in mind

Neural stem cells are, unsurprisingly, rather tricky to harvest from living patients.

ECONOMIST: Stem cells

Surprisingly, the neural stem cells made their way far and wide in the developing embryos, from the nervous system to the liver, lung and intestine.

ECONOMIST: Stem cells