scispace - formally typeset
Open AccessJournal ArticleDOI

Circular RNAs Are the Predominant Transcript Isoform from Hundreds of Human Genes in Diverse Cell Types

TLDR
By deep sequencing of RNA from a variety of normal and malignant human cells, this work suggests that a non-canonical mode of RNA splicing, resulting in a circular RNA isoform, is a general feature of the gene expression program in human cells.
Abstract
Most human pre-mRNAs are spliced into linear molecules that retain the exon order defined by the genomic sequence. By deep sequencing of RNA from a variety of normal and malignant human cells, we found RNA transcripts from many human genes in which the exons were arranged in a non-canonical order. Statistical estimates and biochemical assays provided strong evidence that a substantial fraction of the spliced transcripts from hundreds of genes are circular RNAs. Our results suggest that a non-canonical mode of RNA splicing, resulting in a circular RNA isoform, is a general feature of the gene expression program in human cells.

read more

Citations
More filters
Journal ArticleDOI

Microarray is an efficient tool for circRNA profiling.

TL;DR: CircRNAs could be efficiently profiled by circRNA microarray to target their reported back-splice sites in interested samples and be validated by quantitative reverse transcription polymerase chain reaction (RT-qPCR) or RNA-seq.
Journal ArticleDOI

CircRNA-protein complexes: IMP3 protein component defines subfamily of circRNPs.

TL;DR: The data suggest that specific circRNP families exist defined by a common protein component, and provides a general approach to identify circRNPs with a given protein component.
Journal ArticleDOI

Circular RNAs: Characterization, cellular roles, and applications

Chu-Xiao Liu, +1 more
- 01 Jun 2022 - 
TL;DR: Liu et al. as mentioned in this paper reviewed the growing toolbox to characterize circular RNA, the resulting emerging understanding of their biological roles, and how circular RNA are being utilized for biomedical applications.
Journal ArticleDOI

Tracing the expression of circular RNAs in human pre-implantation embryos

TL;DR: This study reports the first analysis of the whole transcriptome comprising both polyA+ mRNAs and polyA– RNAs including circ RNAs during human pre-implantation development, providing an invaluable resource for analyzing the unique function and complex regulatory mechanisms of circRNAs during this process.
Patent

Modified polynucleotides for the production of cosmetic proteins and peptides

TL;DR: In this article, compositions, methods, processes, kits and devices for the design, preparation, manufacture and/or formulation of modified mRNA (mmRNA) molecules encoding at least one cosmetic polypeptide of interest.
References
More filters
Journal ArticleDOI

A coding-independent function of gene and pseudogene mRNAs regulates tumour biology

TL;DR: It is found that PTENP1 is biologically active as it can regulate cellular levels of PTEN and exert a growth-suppressive role, and this analysis extended to other cancer-related genes that possess pseudogenes, and revealed a non-coding function for mRNAs.
Journal ArticleDOI

Circular transcripts of the testis-determining gene Sry in adult mouse testis

TL;DR: It is suggested that the circles arise from normal splicing processes as a consequence of the unusual genomic structure surrounding the Sry locus in the mouse.
Journal ArticleDOI

Mis-splicing yields circular RNA molecules.

TL;DR: To the knowledge, this is the first case of circular transcripts being processed from nuclear pre‐mRNA in eukaryotes, and might represent a novel aspect of gene expression and hold some interesting clues about the splicing mechanism.
Journal ArticleDOI

miRNA-dependent gene silencing involving Ago2-mediated cleavage of a circular antisense RNA

TL;DR: This study provides the first evidence for non‐coding antisense transcripts as functional miRNA targets, and a novel regulatory mechanism involving a positive correlation between mRNA and antisense circular RNA levels.
Journal ArticleDOI

Expression of Linear and Novel Circular Forms of an INK4/ARF-Associated Non-Coding RNA Correlates with Atherosclerosis Risk

TL;DR: The results identify novel circular RNA products emanating from the ANRIL locus and suggest causal variants at 9p21.3 regulate INK4/ARF expression and ASVD risk by modulating ANRil expression and/or structure.
Related Papers (5)