circRNA basic information
circBase ID: -
Name: -
Synonym: circRNA-000911
Host Gene: -
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0007254
MONDO name: breast cancer
Disease details: breast cancer
Disease DO ID:
1612
Disease MeSH ID:
-
Disease NCIt ID:
C9335
Disease ICD11 ID:
1047754165
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

breast cancer tissues; adjacent non-cancerous tissues

Cell lines:

MCF-7; MDA-MB-231; MDA-MB-468; MDA-MB-453; SKBR-3; T47D; MCF-10A

In vivo animal model:

-

circRNA-disease information
Expression pattern:
DN
Associated gene: Notch1, NF-kappaB signaling
Associated microRNA: miR-449a
Biological function: Suppresses proliferation, migration and invasion, and promotes apoptosis of breast cancer cells (tumor suppressive/anti-oncogenic role).
Molecular mechanism: Acts as a miRNA sponge for miR-449a, thereby elevating Notch1 expression and repressing NF-kappaB signaling.
Biological pathway or process:

proliferation (inhibits); migration (inhibits); invasion (inhibits); apoptosis (promotes); NF-kappaB (inhibits); ceRNA regulation (promotes)

Detected method:
Q
M
Validation methods:

Microarray; RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Luciferase Reporter Assay; circRIP; RIP (RNA Immunoprecipitation); Transfection; CCK8; Colony Formation Assay; Annexin V/PI Flow Cytometry; Wound Healing Assay; Transwell Assay; Western Blot

Clinical significance:

Predictor of a poor prognosis of patients with breast cancer.

Description:

circRNA-000911 is down-regulated in breast cancer tissues/cells and functions as a tumor suppressor. It sponges miR-449a, which relieves repression of Notch1 and leads to inhibition of NF-kappaB signaling, thereby reducing proliferation, migration and invasion and promoting apoptosis.

Confidence score:

0.7523

Other information
Title:

Comprehensive circular RNA profiling reveals the regulatory role of the circRNA-000911/miR-449a pathway in breast carcinogenesis.

Journal: International journal of oncology
Published: 2018
PubMed ID: 29431182
Study type:

combined biological and clinical study

Data availability: GSE97332
Code availability: -