circRNA basic information
circBase ID: -
Name: hsa_circ_CCT2
Synonym: hsa_circ_001726
Host Gene: CCT2
Genomic location(hg19): -
Genomic location(hg38): -
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:

tumor tissues; adjacent nontumor tissues; lung tissues

Cell lines:

LO2; Huh7; MHCC97H; Sk-Hep1; Bel7402; HEK-293 T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: PRMT9, E2F6, CCT2, AGO2, Notch1, Hes 1
Associated microRNA: miR-671-5p
Biological function: Promotes proliferation, migration, invasion, EMT and metastasis; inhibits apoptosis (its knockdown increases apoptosis).
Molecular mechanism: E2F6 regulates CCT2 promoter to control hsa_circ_001726 expression; hsa_circ_001726 acts as a ceRNA sponge for miR-671-5p to elevate PRMT9, activating Notch1/Hes1 signaling to drive EMT.
Biological pathway or process:

Notch (promotes); EMT (promotes); metastasis (promotes); proliferation (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

Bioinformatics Analysis; RT-qPCR; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Transfection; EdU Staining; Wound Healing Assay; Transwell Assay; TUNEL; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; H&E Staining; ChIP / ChIP-seq

Clinical significance:

Higher expression of hsa_circ_001726 was closely associated with poor prognosis of HCC patients.

Description:

hsa_circ_001726 is up-regulated in HCC tissues/cell lines and promotes HCC malignant phenotypes and metastasis. Mechanistically, E2F6 enhances its expression via the CCT2 promoter, and hsa_circ_001726 sponges miR-671-5p to increase PRMT9, activating Notch1/Hes1-driven EMT.

Confidence score:

0.8355

Other information
Title:

A hsa_circ_001726 axis regulated by E2F6 contributes to metastasis of hepatocellular carcinoma.

Journal: BMC cancer
Published: 2024
PubMed ID: 38166853
Study type:

combined biological and clinical study

Data availability: GSE121714; TCGA-LIHC
Code availability: -