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Review
. 2002:218:143-219.
doi: 10.1016/s0074-7696(02)18013-2.

Non-coding ribonucleic acids--a class of their own?

Uwe Michel  1
Affiliations
Review

Non-coding ribonucleic acids--a class of their own?

Uwe Michel. Int Rev Cytol. 2002.

Abstract

Non-coding ribonucleic acids (RNAs) do not contain a peptide-encoding open reading frame and are therefore not translated into proteins. They are expressed in all phyla, and in eukaryotic cells they are found in the nucleus, cytoplasm, and mitochondria. Non-coding RNAs either can exert structural functions, as do transfer and ribosomal RNAs, or they can regulate gene expression. Non-coding RNAs with regulatory functions differ in size ranging from a few nucleotides to over 100 kb and have diverse cell- or development-specific functions. Some of the non-coding RNAs associate with human diseases. This chapter summarizes the current knowledge about regulatory non-coding RNAs.

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