circRNA basic information
circBase ID: hsa_circ_0070975
Name: hsa_circ_SLC7A11
Synonym: circSLC7A11
Host Gene: SLC7A11
Genomic location(hg19): chr4:139103450-139104459:-
Genomic location(hg38): chr4:138182296-138183305:-
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:

HCC tissues; paired adjacent tissues; subcutaneous tumor tissues; lungs

Cell lines:

HepG2; Hep3B; HCCLM3; Huh7; MHCC97H; WRL68; HEK-293 T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CDK1, Ago2
Associated microRNA: miR-330-3p
Biological function: Promotes HCC cell proliferation, migration/metastasis, tumor growth and lung metastasis.
Molecular mechanism: Acts as a ceRNA/miRNA sponge binding miR-330-3p to relieve repression of CDK1.
Biological pathway or process:

proliferation (promotes); migration (promotes); metastasis (promotes); cell cycle (promotes); ceRNA regulation (promotes)

Detected method:
Q
B
S
Validation methods:

circRNA-seq; RT-qPCR; Northern Blot; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; RNase R Treatment; divergent primers PCR; Sanger Sequencing; Transfection; RIP (RNA Immunoprecipitation); RNA Pull-Down; Luciferase Reporter Assay; Western Blot; CCK8; Colony Formation Assay; EdU Staining; Wound Healing Assay; In Vivo Animal Model; H&E Staining; IHC (Immunohistochemistry); Clinical Sample Validation; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High circSLC7A11 expression correlates with tumor size, microvascular invasion, TNM stage, and worse prognosis/overall survival in HCC patients.

Description:

circSLC7A11 (hsa_circ_0070975) is up-regulated in HCC and mainly localized in the cytoplasm. It promotes HCC proliferation and metastasis by sponging miR-330-3p and thereby increasing CDK1 expression, and high circSLC7A11 levels indicate worse patient prognosis.

Confidence score:

0.8933

Other information
Title:

The circular RNA circSLC7A11 functions as a mir-330-3p sponge to accelerate hepatocellular carcinoma progression by regulating cyclin-dependent kinase 1 expression.

Journal: Cancer cell international
Published: 2021
PubMed ID: 34844614
Study type:

combined biological and clinical study

Data availability: Supplementary material available at 10.1186/s12935-021-02351-7
Code availability: -