Also found in: Dictionary, Acronyms, Encyclopedia, Wikipedia.
Related to ribonucleoprotein: ribonucleoprotein particles


a substance composed of both protein and ribonucleic acid.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

ri·bo·nu·cle·o·pro·tein (RNP),

A combination of ribonucleic acid and protein.
Farlex Partner Medical Dictionary © Farlex 2012


(rī′bō-no͞o′klē-ō-prō′tēn, -tē-ĭn, -nyo͞o′-)
n. Abbr. RNP
A nucleoprotein that contains RNA.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


(RNP) (rī'bō-nū'klē-ō-prō'tēn)
A combination of ribonucleic acid and protein.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Lee, "Heritable gene knockout in Caenorhabditis elegans by direct injection of Cas9-sgRNA ribonucleoproteins," Genetics, vol.
Raffalli-Mathieu, "Interaction of heterogeneous nuclear ribonucleoprotein C1/C2 with a novel cis-regulatory element within p53 mRNA as a response to cytostatic drug treatment," Molecular Pharmacology, vol.
Carrier, "Post-transcriptional regulation of thioredoxin by the stress inducible heterogenous ribonucleoprotein A18," Nucleic Acids Research, vol.
Tudor domain containing 7 (Tdrd7) is essential for dynamic ribonucleoprotein (RNP) remodeling of chromatoid bodies during spermatogenesis.
Antigen specificities include U1-SnRNP (small nuclear ribonucleoproteins), Sm (Smith), U2-snRNP, U4/ U6-snRNP, SSA/Ro, SSB/La, and other less common antigens (Bradwell et al.
RISC is also known as a miRNA ribonucleoprotein complex (miRNP); RISC with incorporated miRNA is sometimes referred to as "miRISC.
The box C/D and box H/ACA snoRNAs engage 2'-O-methylation and pseudouridylation of rRNAs through their complementary recognition sequences, as guiding components of small ribonucleoprotein particles (snoRNPs) (Reichow, Hamma, Ferre-D'Amare, & Varani, 2007).
It is noticeable that many of the changed phosphoproteins found in the current study were involved in mRNA processing including heterogeneous nuclear ribonucleoprotein A2/B1, serine/arginine repetitive matrix 1 and matrix 2, eukaryotic translation initiation factor 4 gamma-1, and several others.
CSTF1: cleavage stimulation factor, 31 pre-RNA, subunit 1,50 kDa; CSTF3: cleavage stimulation factor, 31 pre-RNA, subunit 3,77 kDa; DDX1: DEAD (Asp-Glu-Ala-Asp) box helicase 1; FUS: fused in sarcoma; HNRNPAB: heterogeneous nuclear ribonucleoprotein A/B; HNRNPC: heterogeneous nuclear ribonucleoprotein C (C1/C2); HNRNPK: heterogeneous nuclear ribonucleoprotein K; NONO: non-POU domain containing, octamer-binding; PTBP1: polypyrimidine tract binding protein 1; PRPF40A: PRP40 pre-mRNA processing factor 40 homolog A (S.
Hubbard, "p38 MAP kinase-dependent regulation of the expression level and subcellular distribution of heterogeneous nuclear ribonucleoprotein A1 and its involvement in cellular senescence in normal human fibroblasts," RNA Biology, vol.
Precision splicing requires the existence of specific sequence arrangements at appropriate pre-mRNA sites (signals) and is affected by a massive ribonucleoprotein complex, the spliceosome, which has evolved to interact with these sequences.