Summary: Researchers have identified a network of genes in Zebrafish that regulate the process of determining whether certain neurons will regenerate.

Source: University of Notre Dame

The death of neurons, whether in the brain or the eye, can result in a number of human neurodegenerative disorders, from blindness to Parkinson’s disease. Current treatments for these disorders can only slow the progression of the illness, because once a neuron dies, it cannot be replaced.