Abstract
Zebrafish (Danio rerio) is used as a model for studying sensorineural hearing loss. The damage to the hair cells can be assessed by scoring rheotaxis behavior in zebrafish. In this study, we newly designed a rheotaxis behavioral assay protocol capable of quantifying rheotaxis behavior in zebrafish larvae. We chemically induced ototoxicity in the larvae using copper sulfate, a well-known ototoxin, and determined rheotaxis at different flow velocities. The simple, cost-effective, and high-throughput rheotaxis assay system can provide great insights into drug development and other behavioral studies.
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