Immune Cell Gene Expression Revealed in 3D Maps Enhancers serve as specific switches that turn on genes in a cell specific manner but it has been difficult to determine which switch is connected to which gene. [Alex Fung] December 22, 2020 Enhancers serve as specific switches that turn on genes in a cell specific manner but it has been difficult to determine which switch is connected to which gene. [Alex Fung] Share To understand how genes affect human health, researchers need to go beyond variants in the DNA sequence, and dive into the switches, or enhancers, that control when and where a g...