circRNA basic information
circBase ID: hsa_circ_0082374
Name: hsa_circ_CPA4
Synonym: circ0082374
Host Gene: CPA4
Genomic location(hg19): chr7:129948146-129964020:+
Genomic location(hg38): chr7:130308306-130324180:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0021042
MONDO name: glioma
Disease details: glioma
Disease DO ID:
-
Disease MeSH ID:
D005910
Disease NCIt ID:
C3059
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

glioma tissues; normal noncancerous brain tissues; xenograft tumor tissues

Cell lines:

A172; BT325; LN229; U251; SHG44; HA1800

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: SIRT1, CPA4, PCNA, MMP9, E-cadherin, Vimentin, Ago2
Associated microRNA: miR-326
Biological function: Promotes glioma cell viability, migration, invasion, glycolysis and xenograft tumor growth; knockdown suppresses these malignant phenotypes.
Molecular mechanism: circ0082374 acts as a ceRNA sponge for miR-326 to promote SIRT1 expression in glioma cells.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); glycolysis (promotes); EMT (promotes); ceRNA regulation (other)

Detected method:
Q
Validation methods:

RNase R Treatment; Actinomycin D / DRB Stability Assay; RT-qPCR; Nuclear-Cytoplasmic Fractionation; Clinical Sample Validation; Transfection; CCK8; Transwell Assay; Western Blot; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); RNA Pull-Down; In Vivo Animal Model; Survival Analysis; Bioinformatics Analysis

Clinical significance:

High expression of circ0082374 is associated with advanced stage, lower overall survival, tumor size and WHO stage, and may predict poor outcome of glioma patients.

Description:

circ0082374 is up-regulated in glioma tissues and cell lines, and high expression is associated with advanced stage and poor overall survival. Functionally, circ0082374 promotes glioma cell viability, migration, invasion, glycolysis and xenograft tumor growth. Mechanistically, it acts as a cytoplasmic ceRNA that sponges miR-326 to increase SIRT1 expression.

Confidence score:

0.8562

Other information
Title:

Knockdown of circ0082374 inhibits cell viability, migration, invasion and glycolysis in glioma cells by miR-326/SIRT1.

Journal: Brain research
Published: 2020
PubMed ID: 32896523
Study type:

combined biological and clinical study

Data availability: Supplementary data online at https://doi.org/10.1016/j.brainres.2020.147108; analyzed data sets available from the corresponding author on reasonable request
Code availability: -