circRNA basic information
circBase ID: hsa_circ_0009910
Name: hsa_circ_MFN2
Synonym: circRNA mitofusin 2 / circMFN2
Host Gene: MFN2
Genomic location(hg19): chr1:12049221-12052747:+
Genomic location(hg38): chr1:11989164-11992690:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008170
MONDO name: ovarian cancer
Disease details: ovarian cancer / OC
Disease DO ID:
2394
Disease MeSH ID:
D010051
Disease NCIt ID:
C7431
Disease ICD11 ID:
685124533
Disease OMIM ID:
167000
Species: Human
Species details: Homo sapiens
Tissue specimen:

OC tissues; noncancerous tissue samples; xenograft tumor tissues

Cell lines:

A2780; SKOV3; IOSE80

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CUL4B, Ago2
Associated microRNA: miR-198
Biological function: circMFN2 promotes OC cell proliferation, migration, invasion, glycolysis, and tumor growth, and inhibits apoptosis.
Molecular mechanism: circMFN2 acts as a ceRNA by sponging miR-198 to upregulate CUL4B expression, thereby promoting OC progression and glycolysis.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); apoptosis (inhibits); glycolysis (promotes); ceRNA regulation (other)

Detected method:
Q
Validation methods:

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

Clinical significance:

circMFN2 was upregulated in OC tissues; low circMFN2 expression was associated with a higher 5-year survival rate, indicating that high circMFN2 expression predicts poor prognosis.

Description:

circMFN2 is upregulated in ovarian cancer tissues and cells and is associated with poorer survival. Functionally, circMFN2 promotes OC cell proliferation, migration, invasion, glycolysis, and in vivo tumor growth while inhibiting apoptosis. Mechanistically, circMFN2 acts through the miR-198/CUL4B axis.

Confidence score:

0.8427

Other information
Title:

Knockdown of circMFN2 inhibits cell progression and glycolysis by miR-198/CUL4B pathway in ovarian cancer.

Journal: Journal of biochemical and molecular toxicology
Published: 2023
PubMed ID: 37158446
Study type:

combined biological and clinical study

Data availability: The analyzed data sets generated during the present study are available from the corresponding author upon reasonable request.
Code availability: -