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What is RNA interference?
What is RNA interference?-February 2024
Feb 13, 2026 1:39 AM

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Definition: What is RNA interference?

RNA interference (RNAi) is a biological process that regulates gene expression by silencing or suppressing the activity of specific genes. It is a naturally occurring mechanism found in many organisms, including plants, animals, and even some viruses.

The process of RNA interference involves the use of small RNA molecules, known as small interfering RNAs (siRNAs) or microRNAs (miRNAs), to target and degrade messenger RNA (mRNA) molecules. mRNA is responsible for carrying the genetic information from DNA to the ribosomes, where it is translated into proteins. By degrading or inhibiting the production of specific mRNA molecules, RNA interference can effectively control the expression of genes.

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RNA interference plays a crucial role in various biological processes, such as development, immune response, and defense against viral infections. It is also being extensively studied for its potential therapeutic applications, particularly in the field of gene therapy and the treatment of genetic disorders.

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