circRNA basic information
circBase ID: hsa_circ_0004680
Name: hsa_circ_CCT3
Synonym: circ-CCT3 / circ_0004680
Host Gene: CCT3
Genomic location(hg19): chr1:156303337-156304709:-
Genomic location(hg38): chr1:156333546-156334918:-
Subcellular localization: nucleus and cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma / HCC
Disease DO ID:
684, 686
Disease MeSH ID:
D006528
Disease NCIt ID:
C3099
Disease ICD11 ID:
1294035808
Disease OMIM ID:
114550
Species: Human
Species details: Homo sapiens
Tissue specimen:

HCC tissues; adjacent normal liver tissues

Cell lines:

HCC-LM3; Huh7; HUVEC

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: FLT-1, ALKBH5, METTL3, YTHDF2
Associated microRNA: miR-378a-3p
Biological function: Promotes HCC cell proliferation, invasion and migration; promotes angiogenesis; promotes tumor growth and lung metastasis in vivo.
Molecular mechanism: m6A modification regulation by ALKBH5 and METTL3; ceRNA sponging miR-378a-3p to upregulate FLT-1 (FLT1).
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); angiogenesis (promotes); ceRNA regulation (promotes); other pathway/process (other)

Detected method:
Q
H
M
Validation methods:

Microarray; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; ISH (In Situ Hybridization); FISH / smFISH; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; MeRIP / MeRIP-seq; Transfection; CCK8; EdU Staining; Colony Formation Assay; Cell Cycle Assay; Transwell Assay; Tube Formation Assay; In Vivo Animal Model; H&E Staining; Clinical Sample Validation; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High circ-CCT3 expression is associated with poor prognosis and is an independent risk factor for overall survival in HCC patients; potential biomarker.

Description:

circ-CCT3 (hsa_circ_0004680), derived from CCT3, is up-regulated in HCC and predicts poor prognosis. It promotes HCC proliferation, migration/invasion, angiogenesis and in vivo tumor growth/metastasis mainly by sponging miR-378a-3p to increase FLT1, and its level is regulated via m6A-related factors including ALKBH5 and METTL3.

Confidence score:

0.8869

Other information
Title:

m6A-modification regulated circ-CCT3 acts as the sponge of miR-378a-3p to promote hepatocellular carcinoma progression.

Journal: Epigenetics
Published: 2023
PubMed ID: 37092305
Study type:

combined biological and clinical study

Data availability: 10.57760/sciencedb.j00001.00512; https://doi.org/10.1080/15592294.2023.2204772
Code availability: -