circRNA basic information
circBase ID: -
Name: hsa_circ_E2F3
Synonym: circ-0075804
Host Gene: E2F3
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008380
MONDO name: retinoblastoma
Disease details: retinoblastoma / RB
Disease DO ID:
768
Disease MeSH ID:
D012175
Disease NCIt ID:
C7541
Disease ICD11 ID:
1855353671
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

primary RB tissue samples; cadaveric human retina tissues

Cell lines:

Y79; SO-Rb50; WERI-Rb-1; HXO-Rb44; HRCEC

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: HNRNPK, E2F3 mRNA
Associated microRNA: -
Biological function: Promotes RB cell proliferation and suppresses cell apoptosis.
Molecular mechanism: circ-0075804 binds HNRNPK and enhances the mRNA stability of E2F3, thereby promoting RB progression.
Biological pathway or process:

proliferation (promotes); apoptosis (inhibits); mRNA stability (promotes)

Detected method:
Q
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RT-qPCR; Western Blot; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; RIP (RNA Immunoprecipitation); RNA Pull-Down; Transfection; CCK8; EdU Staining; Colony Formation Assay; Bioinformatics Analysis

Clinical significance:

circ-0075804 was suggested as a potential therapeutic target for RB patients.

Description:

circ-0075804 is up-regulated in retinoblastoma cells and primary RB tissues. It promotes RB cell proliferation and suppresses apoptosis by binding the RBP HNRNPK and enhancing E2F3 mRNA stability, suggesting potential therapeutic relevance.

Confidence score:

0.8331

Other information
Title:

Circular RNA (circ-0075804) promotes the proliferation of retinoblastoma via combining heterogeneous nuclear ribonucleoprotein K (HNRNPK) to improve the stability of E2F transcription factor 3 E2F3.

Journal: Journal of cellular biochemistry
Published: 2020
PubMed ID: 32065448
Study type:

combined biological and clinical study

Data availability: Research data are not shared.
Code availability: -