circRNA basic information
circBase ID: hsa_circ_0011385
Name: hsa_circ_EIF3I
Synonym: circEIF3I
Host Gene: EIF3I
Genomic location(hg19): chr1:32691771-32692131:+
Genomic location(hg38): chr1:32226170-32226530:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007256
MONDO name: hepatocellular carcinoma
Disease details: hepatocellular carcinoma
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:

primary HCC tumor specimens; corresponding normal tissue specimens; xenograft tumor tissues

Cell lines:

HCCLM3; Huh7; THLE-2; HUVEC

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: HGF, c-Met, Ago2
Associated microRNA: miR-526b-5p
Biological function: CircEIF3I promotes HCC cell proliferation, colony formation, EMT, migration, invasion, angiogenesis and in vivo tumor growth, while inhibiting apoptosis.
Molecular mechanism: CircEIF3I acts as a ceRNA by sponging miR-526b-5p, thereby regulating HGF expression and the HGF/c-Met signaling pathway in HCC.
Biological pathway or process:

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

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Clinical Sample Validation; Nuclear-Cytoplasmic Fractionation; RNase R Treatment; Actinomycin D / DRB Stability Assay; Transfection; EdU Staining; Colony Formation Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Tube Formation Assay; Western Blot; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); In Vivo Animal Model; IHC (Immunohistochemistry); Bioinformatics Analysis

Clinical significance:

High circEIF3I expression was associated with tumor size and TNM stage in HCC patients; the study suggests circEIF3I/miR-526b-5p axis as a potential therapeutic target in HCC.

Description:

CircEIF3I is up-regulated in HCC tissues and cells and functions as an oncogenic circRNA. It promotes malignant growth, EMT, migration, invasion, angiogenesis and xenograft tumor growth while suppressing apoptosis. Mechanistically, circEIF3I sponges miR-526b-5p to regulate HGF and the HGF/c-Met signaling pathway, suggesting therapeutic potential for targeting the circEIF3I/miR-526b-5p/HGF axis in HCC.

Confidence score:

0.8512

Other information
Title:

Silencing CircEIF3I/miR-526b-5p Axis Epigenetically Targets HGF/c-Met Signal to Hinder the Malignant Growth, Metastasis and Angiogenesis of Hepatocellular Carcinoma.

Journal: Biochemical genetics
Published: 2023
PubMed ID: 35723810
Study type:

combined biological and clinical study

Data availability: GSE78520; GSE94508; GSE97322; Please contact the correspondence author for the data request.
Code availability: -