FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution
Type
Blog Post
... specific cell-type promoter. Once injected into the brain, the viruses infect all the cells with an inactive...proteins control the flow of electric charges across cell membranes and maintain membrane potential in response...once a certain number of positive ions crosses the cell membrane, a threshold is reached and the neuron ...selective expression of opsin genes in targeted cells makes it possible to control neuronal activity with... This could be overcome by fusing opsin genes to cell-type specific promoters; however, those usually ...drive weak expression of downstream genes. Strong cell-specific promoters, on the other side, are too long...achieve strong opsin expression in specific neuronal cell types then? This is where FLEx enters the scene....