Synaptophysin regulates activity-dependent synapse formation in cultured hippocampal neurons.

Abstract excerpt

Synaptophysin is an abundant synaptic vesicle protein without a definite synaptic function. Here, we examined a role for synaptophysin in synapse formation in mixed genotype micro-island cultures of wild-type and synaptophysin-mutant hippocampal neurons. We show that synaptophysin-mutant synapses are poor donors of presynaptic terminals in the presence of competing wild-type inputs. In homogenotypic cultures,...

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