Unleashing neurogenesis

While looking for regulators of neurogenesis, Hongjun Song at Johns Hopkins University School of Medicine and colleagues found that inhibiting the function of the gene disrupted-in-schizophrenia 1 (DISC1) promoted neurogenic behavior. ¹ The gene is known as a susceptibility gene for mood disorders and schizophrenia, though this was not the focus of Song et al.'s research. They were interested in a previous observation that DISC1 is highly expressed in two areas of the adult brain that undergo neurogenesis: the olfactory bulb and the dentate gyrus of the hippocampus.


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