A locomotion-based assay to measure prepulse inhibition in zebrafish larvae
Read, E.; Hindges, R.
Show abstract
Sensory gating, assessed using a prepulse inhibition assay (PPI), is a promising endophenotype of neuropsychiatric disorders that can be measured in larval zebrafish models. However, current PPI assays require high-speed cameras to capture rapid c-bend startle behaviours. In this study, we designed and employed a PPI paradigm that uses locomotion as read-out of startle responses. PPI percentage was measured at a maximum of 86% and this was reduced to 42% upon administration of an NMDA receptor antagonist, MK-801. This work provides the foundation for simpler and more accessible PPI assays using larval zebrafish to model key endophenotypes of neurodevelopmental disorders.
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