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Table 1 Types of human non-coding RNAs

From: The functional role of long non-coding RNA in human carcinomas

Type Subclasses Symbol References
  Transfer RNAs tRNAs [222]
  MicroRNAs miRNAs [33, 34]
  Ribosomal 5S and 5.8S RNAs rRNAs [223, 224]
  Piwi interacting RNAs piRNAs [38, 225]
  Tiny transcription initiation RNAs tiRNAs [39, 40]
  Small interfering RNAs siRNA [32]
  Promoter-associated short RNAs PASRs [144, 149]
  Termini-associated short RNAs TASRs [144, 149]
  Antisense termini associated short RNAs aTASRs [226]
Small ncRNA (18 to 200 nt in size) Small nucleolar RNAs snoRNAs [227, 228]
  Transcription start site antisense RNAs TSSa-RNAs [229]
  Small nuclear RNAs snRNAs [230]
  Retrotransposon-derived RNAs RE-RNAs [231, 232]
  3'UTR-derived RNAs uaRNAs [145]
  x-ncRNA x-ncRNA [233]
  Human Y RNA hY RNA [234]
  Unusually small RNAs usRNAs [235]
  Small NF90-associated RNAs snaRs [236, 237]
  Vault RNAs vtRNAs [238]
  Ribosomal 18S and 28S RNAs rRNAs [223, 224]
  Long or large intergenic ncRNAs lincRNAs [8, 58]
  Transcribed ultraconserved regions T-UCRs [85]
  Pseudogenes none [239, 240]
  GAA-repeat containing RNAs GRC-RNAs [241]
Long ncRNA (lncRNAs, 200 nt to >100 kb in size) Long intronic ncRNAs none [242, 243]
  Antisense RNAs aRNAs [244]
  Promoter-associated long RNAs PALRs [144, 149]
  Promoter upstream transcripts PROMPTs [245]
  Stable excised intron RNAs none [56]
  Long stress-induced non-coding transcripts LSINCTs [25]