circRNA basic information
circBase ID: -
Name: hsa_circ_CDR1AS
Synonym: ciRS-7
Host Gene: -
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008170
MONDO name: ovarian cancer
Disease details: ovarian cancer
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; adjacent normal ovarian tissues

Cell lines:

SKOV3; A2780; OV2008; IGROV1; ES-2; HOSE

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ZEB1, MDM2
Associated microRNA: miR-641
Biological function: promotes OC cell growth, colony formation, migration, invasion and EMT
Molecular mechanism: ceRNA mechanism: ciRS-7 sponges miR-641 to up-regulate ZEB1 and MDM2, promoting EMT
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Survival Analysis; Transfection; CCK8; Colony Formation Assay; Transwell Assay; In Vivo Animal Model; Luciferase Reporter Assay; RIP (RNA Immunoprecipitation); Western Blot; Bioinformatics Analysis

Clinical significance:

High ciRS-7 expression was significantly associated with advanced TNM stages, lymph node metastasis status and decreased overall survival rate in OC patients

Description:

In ovarian cancer, ciRS-7 is up-regulated and promotes tumor growth and metastatic phenotypes (migration/invasion) by enhancing EMT. Mechanistically, ciRS-7 functions as a ceRNA that sponges miR-641 to increase ZEB1 and MDM2 expression, and high ciRS-7 is associated with poorer overall survival.

Confidence score:

0.7548

Other information
Title:

Circular RNA S-7 promotes ovarian cancer EMT via sponging miR-641 to up-regulate ZEB1 and MDM2.

Journal: Bioscience reports
Published: 2020
PubMed ID: 32667627
Study type:

combined biological and clinical study

Data availability: -
Code availability: -