circRNA basic information
circBase ID: hsa_circ_0007429
Name: hsa_circ_RREB1
Synonym: circ_0007429 / circRNA_0007429
Host Gene: RREB1
Genomic location(hg19): chr6:7181356-7189555:+
Genomic location(hg38): chr6:7181123-7189322:+
Subcellular localization: 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 tissue samples; xenograft tumor tissues

Cell lines:

LO2; Huh7; HepG2; HCCL-M3; SK-HEP1; Hep3B; MHCC97H

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: TRIM71, Ago2
Associated microRNA: miR-637
Biological function: promotes HCC cell proliferation, migration, invasion, cell cycle progression, aerobic glycolysis and tumor growth, and inhibits apoptosis
Molecular mechanism: circ_0007429 acts as a miR-637 sponge to promote TRIM71 expression, regulate Ago2, and enhance aerobic glycolysis and malignant phenotypes in HCC
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); cell cycle (promotes); glycolysis (promotes); ceRNA regulation (promotes); other pathway/process (promotes)

Detected method:
Q
M
Validation methods:

Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Sanger Sequencing; Actinomycin D / DRB Stability Assay; RT-qPCR; Microarray; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; Luciferase Reporter Assay; Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Cell Cycle Assay; Transwell Assay; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Western Blot; Cohort Study; Survival Analysis; Bioinformatics Analysis

Clinical significance:

high circ_0007429 expression correlated with tumor size and worse 5-year overall survival in HCC patients

Description:

circ_0007429 is an upregulated RREB1-derived cytoplasmic circRNA in HCC. It promotes HCC progression by sponging miR-637 to increase TRIM71 and regulate Ago2, thereby enhancing proliferation, migration, invasion, cell cycle progression, aerobic glycolysis and tumor growth while suppressing apoptosis. High circ_0007429 expression is associated with larger tumor size and worse overall survival.

Confidence score:

0.8673

Other information
Title:

Circ_0007429/miR-637/TRIM71/Ago2 axis participates in the regulation of proliferation, migration, invasion, apoptosis, and aerobic glycolysis of HCC.

Journal: Molecular carcinogenesis
Published: 2023
PubMed ID: 36920046
Study type:

combined biological and clinical study

Data availability: The data generated during this study are included in this published article
Code availability: -