circRNA basic information
circBase ID: hsa_circ_0000326
Name: -
Synonym: -
Host Gene: -
Genomic location(hg19): chr11:65272490-65272586:+
Genomic location(hg38): chr11:65505019-65505115:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0002974
MONDO name: cervical cancer
Disease details: cervical cancer
Disease DO ID:
4362
Disease MeSH ID:
-
Disease NCIt ID:
C9311
Disease ICD11 ID:
1256072522
Disease OMIM ID:
603956
Species: Human
Species details: Homo sapiens
Tissue specimen:

cervical cancer tissues; adjacent normal tissues; mouse tumor tissues

Cell lines:

Hela; Caski; SiHa; SW756; C-33A; HaCaT; 293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: CDK4, Ago2
Associated microRNA: miR-338-3p
Biological function: promotes proliferation, migration, invasion and cell cycle progression of cervical cancer cells; silencing suppresses tumor growth in vivo
Molecular mechanism: Acts as a ceRNA/miRNA sponge for miR-338-3p to upregulate CDK4 (Ago2-dependent binding).
Biological pathway or process:

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

Detected method:
Q
M
Validation methods:

Microarray; Bioinformatics Analysis; RT-qPCR; RNase R Treatment; Nuclear-Cytoplasmic Fractionation; FISH / smFISH; Luciferase Reporter Assay; RNA Pull-Down; RIP (RNA Immunoprecipitation); Transfection; Colony Formation Assay; CCK8; EdU Staining; Transwell Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry); Clinical Sample Validation

Clinical significance:

circ_0000326 upregulation depended on the stage of cancer.

Description:

circ_0000326 is up-regulated in cervical cancer tissues and cell lines and is associated with more advanced stage. Functionally, circ_0000326 promotes proliferation, cell-cycle progression, migration and invasion, and its knockdown suppresses xenograft tumor growth. Mechanistically, it acts as a miR-338-3p sponge in an Ago2-dependent manner to upregulate CDK4.

Confidence score:

0.8429

Other information
Title:

Silencing of circular RNA_0000326 inhibits cervical cancer cell proliferation, migration and invasion by boosting microRNA-338-3p-dependent down-regulation of CDK4.

Journal: Aging
Published: 2021
PubMed ID: 33735107
Study type:

combined biological and clinical study

Data availability: GSE102686; TCGA
Code availability: -