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Axon specification is a crucial, early step in neuronal development, but little is known about how this event is controlled in vivo. To test the hypothesis that local presentation of growth-promoting molecules can direct axon specification, we cultured hippocampal neurons on substrates patterned with stripes of poly-L-lysine and either laminin (LN) or the(More)
A fundamental step in neuronal development is the acquisition of a polarized form, with distinct axons and dendrites. Although the ability to develop a polarized form appears to be largely an intrinsic property of neurons, it can be influenced by environmental cues. For example, in cell cultures substrate and diffusible factors can enhance and orient axonal(More)
Ingenol-3-angelate (I3A) is a non-tumor promoting phorbol ester-like compound identified in the sap of Euphoria peplus. Similar to tumor promoting phorbol esters, I3A is a diacylglycerol (DAG) analogue that binds with high affinity to the C1 domains of PKCs, recruits PKCs to cellular membranes and promotes enzyme activation. Numerous anti-cancer activities(More)
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