Preferred Name

RNA, Small Interfering [Chemical/Ingredient]
Synonyms

Small Interfering RNA

siRNA

RNA, Small Interfering

Short Interfering RNA

ID

http://purl.bioontology.org/ontology/NDFRT/N0000170714

altLabel

Small Interfering RNA

siRNA

RNA, Small Interfering

Short Interfering RNA

cui

C1099354

MESH DEFINITION

Small double-stranded, non-protein coding RNAs (21-31 nucleotides) involved in GENE SILENCING functions, especially RNA INTERFERENCE (RNAi). Endogenously, siRNAs are generated from dsRNAs (RNA, DOUBLE-STRANDED) by the same ribonuclease, Dicer, that generates miRNAs (MICRORNAS). The perfect match of the siRNAs' antisense strand to their target RNAs mediates RNAi by siRNA-guided RNA cleavage. siRNAs fall into different classes including trans-acting siRNA (tasiRNA), repeat-associated RNA (rasiRNA), small-scan RNA (scnRNA), and Piwi protein-interacting RNA (piRNA) and have different specific gene silencing functions.

MESH DUI

D034741

MeSH name

RNA, Small Interfering

MESH UI

M0406100

NDFRT kind

INGREDIENT_KIND

notation

N0000170714

NUI

N0000170714

prefLabel

RNA, Small Interfering [Chemical/Ingredient]

tui

T123

T114

subClassOf

http://purl.bioontology.org/ontology/NDFRT/N0000170757

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