circRNA basic information
circBase ID: -
Name: hsa_circ_CDR1
Synonym: CDR1as
Host Gene: CDR1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: colorectal cancer
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

primary CRC tissues; normal mucosa tissues; adjacent normal tissues

Cell lines:

HCT-116; DLD-1; NCM460; CCD841CoN

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: EGFR, IGF-1R
Associated microRNA: miR-7
Biological function: Promotes CRC cell proliferation and invasion; facilitates CRC progression.
Molecular mechanism: CDR1as partially blocks (sponges) miR-7, thereby positively regulating EGFR and IGF-1R expression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Survival Analysis; Transfection; CCK8; Cell Cycle Assay; Annexin V/PI Flow Cytometry; Colony Formation Assay; Transwell Assay; Western Blot; Bioinformatics Analysis

Clinical significance:

High CDR1as expression is associated with tumor size, T stage, lymph node metastasis, and poor overall survival (OS) in CRC patients.

Description:

CDR1as is up-regulated in colorectal cancer and high expression is associated with worse overall survival. Functionally, CDR1as promotes CRC proliferation and invasion by partially antagonizing miR-7, thereby sustaining EGFR and IGF-1R expression.

Confidence score:

0.648

Other information
Title:

Silencing CDR1as inhibits colorectal cancer progression through regulating microRNA-7.

Journal: OncoTargets and therapy
Published: 2017
PubMed ID: 28435295
Study type:

combined biological and clinical study

Data availability: -
Code availability: -