circRNA basic information
circBase ID: hsa_circ_0073181
Name: hsa_circ_RASGRF2
Synonym: circRASGRF2
Host Gene: RASGRF2
Genomic location(hg19): chr5:80338695-80409739:+
Genomic location(hg38): chr5:81042876-81113920:+
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; adjacent noncancerous liver (ANL) tissues

Cell lines:

L02; Hep3B; HLE; Huh7; BEL7402; SMCC7721; MHCC97L; MHCC97H; HCCLM3; HCCLM6; HEK293 T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: AGO2, FAK
Associated microRNA: miR-1224
Biological function: promotes proliferation, migration, invasion, EMT, tumor growth and metastasis; inhibits apoptosis; promotes cell cycle progression
Molecular mechanism: Acts as a miRNA sponge (ceRNA) for miR-1224 to upregulate FAK
Biological pathway or process:

ceRNA regulation (promotes); focal adhesion (promotes); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes); EMT (promotes); apoptosis (inhibits); cell cycle (promotes)

Detected method:
Q
S
Validation methods:

RNA-seq; RT-qPCR; Back-Splice Junction PCR / divergent primers PCR; RNase R Treatment; Actinomycin D / DRB Stability Assay; Nuclear-Cytoplasmic Fractionation; Transfection; CCK8; Colony Formation Assay; Cell Cycle Assay; Annexin V/PI Flow Cytometry; TUNEL; Transwell Assay; Western Blot; RIP (RNA Immunoprecipitation); circRIP; RNA Pull-Down; Luciferase Reporter Assay; In Vivo Animal Model; IHC (Immunohistochemistry); Clinical Sample Validation; Cohort Study; Survival Analysis; ROC Analysis; Bioinformatics Analysis

Clinical significance:

AUC for distinguishing HCC tissues from ANL tissues was 0.882; high circRASGRF2 correlated with poorer differentiation, advanced stage, larger tumor size, microvascular invasion, and shorter overall survival

Description:

circRASGRF2 (hsa_circ_0073181) is upregulated in HCC and primarily localized in the cytoplasm. It promotes HCC cell proliferation, migration/invasion, EMT, and tumor growth/metastasis by sponging miR-1224 to derepress FAK, and high expression is associated with poor overall survival and diagnostic value (AUC 0.882).

Confidence score:

0.898

Other information
Title:

circRASGRF2 functions as an oncogenic gene in hepatocellular carcinoma by acting as a miR-1224 sponge.

Journal: Molecular therapy. Nucleic acids
Published: 2021
PubMed ID: 33312757
Study type:

combined biological and clinical study

Data availability: TCGA
Code availability: -