Two better-known alternatives, antisense and RNA-interference, the latter of which is being used now by Monsanto, can silence or shut down genes but cannot turn them on or make them louder.

FORBES: Magazine Article

By binding to RNA, antisense prevents proteins involved in disease from ever being created.

FORBES: Magazine Article

Antisense instead binds to the RNA messenger molecules that ferry genetic information from the DNA to the cell.

FORBES: Magazine Article

The goal was to jam the works by synthesizing an antisense strand of DNA to gum up the RNA section that codes for PKC-alpha.

FORBES: Antisense and Sensibility

When Isis' antisense strand latched on there, it activated an enzyme that destroys the RNA that codes for PKC-alpha.

FORBES: Antisense and Sensibility