Astrocytes make up nearly half of the total number of brain cells, providing structural, metabolic and tropic support for neurons, but they were considered to play no active part in stem cell differentiation. In May 2 Nature, Hongjun Song and colleagues from The Salk Institute, La Jolla, California, show for the first time that adult astrocytes can induce neurogenesis by instructing the stem cells to adopt a neuronal fate (Nature 2002, 417:39-44).Song et al. used cell culture systems and investi
Astrocytes make up nearly half of the total number of brain cells, providing structural, metabolic and tropic support for neurons, but they were considered to play no active part in stem cell differentiation. In May 2
Song
"Song et al.'s discoveries may lead to a better understanding of how neurogenesis could ...
The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.
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