Then tissue samples were collected from brain areas where healthy neurons had been introduced. (discovermagazine.com)
(In one common system, the virus is engineered with a gene deletion that prevents replication in healthy neurons.) (discovermagazine.com)
A. WT astrocytes (green) secrete factors that promote the development of healthy neurons (green): neuron has a large central cell body, extends many long thin dendritic processes, and receives numerous syaptic connections (black). (salk.edu)