How the drug slows the spread of Huntington’s disease

Gene

A section of DNA holds corrupted instructions for building a protein

messenger RNA

A strand of genetic code, copied from the DNA, acts as a messenger ...

Damaged protein

... and goes on to build the corrupted protein, a killer of brain cells

Shoot the messenger

The drug intercepts and kills the messenger before the corrupted protein can be built

Gene

messenger RNA

Damaged protein

Shoot the messenger

A strand of genetic code, copied from the DNA, acts as a messenger ...

... and goes on to build the corrupted protein, a killer of brain cells

The drug intercepts and kills the messenger before the corrupted protein can be built

A section of DNA holds corrupted instructions for building a protein