At first glance, there is nothing in common between aquatic life and humans, but the structure and functions of hair cells in fish skin are almost the same as those of hair cells in the human inner ear.

Both groups of cellular receptors have a type of protein known as an “ion channel” that converts waves sensed by cells into electrical impulses that transmit useful information.

During the research, the scientists found that groups of hairy cells had asymmetry using the CRISPR-Cas9 gene editing method. This allows zebra cells to detect movement from behind more precisely than from the front. Human hair cells are also tuned to detect different frequencies.

Experts noted that the new discovery could play an important role in better understanding hearing and deafness in humans.

Source: Ferra

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