Arcturus Therapeutics

RNA interference (RNAi) is a natural mechanism used by the body to turn genes off without permanently changing DNA. It controls how and when genes are turned into proteins and is part of the innate immune response to viruses. RNAi occurs when a small RNA (a microRNA, small interfering RNA or antisense RNA) binds to messenger RNA (mRNA) and stops it from being turned into a protein product.

RNAi can turn off any gene in the genome and so is used in scientific research to discover the genetic cause of different diseases and in RNA medicines to treat diseases caused by too much protein or by defective proteins.

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