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Epidemiological investigations and experimental studies indicate that chronic arsenic exposure can reduce learning and memory function. However, the underlying mechanism of this effect remains largely unknown. Emerging evidence suggests that microRNA (miRNA) play an important role in toxicant exposure and a regulatory role in cognitive function. In this study, we observed that subchronic arsenic exposure...
Sonic hedgehog (Shh), a secreted glycoprotein factor, can activate the Shh pathway, which has been implicated in neuronal polarization involving neurite outgrowth. However, little evidence is available about the effect of Shh on neurite outgrowth in primary cortical neurons and its potential mechanism. Here, we revealed that Shh increased neurite outgrowth in primary cortical neurons, while the Shh...
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