WVU Team Links TUBB4B Loss to Retinal Defects in Zebrafish, Beating Mouse Models

1 articles · Updated · My Buckhannon · May 13

Eric Horstick’s WVU group found that deleting TUBB4B in zebrafish triggered severe retinal defects, matching the blindness seen in humans with the mutation.
Mouse models had reproduced the deafness tied to TUBB4B loss but not the vision damage, making the zebrafish result a closer fit for studying the disease mechanism.
About 70% of zebrafish genes overlap with humans, and the fish develop rapidly enough for researchers to watch whole-brain activity and test genetic changes within days.
The finding grew out of Horstick’s broader work on left-right behavioral bias in roughly 2,500 lab fish, where light exposure early in development appears to shape turning preferences.
That combination of fast genetics and real-time neural imaging could give WVU researchers a new tool for probing retinal disease and other early brain-development disorders.

This fish models human blindness better than mice. What other diseases are we studying in the wrong animal?

If light dictates a fish’s 'handedness', could environmental cues be shaping our brains more than our genes?