circRNA basic information
circBase ID: -
Name: hsa_circ_CDR1AS
Synonym: Cdr1as / ciRS-7
Host Gene: -
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005580
MONDO name: esophageal squamous cell carcinoma
Disease details: esophageal squamous cell carcinoma
Disease DO ID:
3748
Disease MeSH ID:
C562729; D000077277
Disease NCIt ID:
C4024
Disease ICD11 ID:
1417891145
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

ESCC tissues; normal adjacent epithelial tissues (NATs); ESCC tumor tissues; non-cancerous tissues; FFPE tissues

Cell lines:

Eca109; KYSE510; KYSE410; KYSE150; NE1

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: HOXB13, NF-kappaB/p65, p65
Associated microRNA: miR-7
Biological function: promotes proliferation, migration, invasion, tumor growth and lung metastasis in ESCC
Molecular mechanism: ciRS-7 acts as a miR-7 sponge (ceRNA) to relieve repression of HOXB13 and activate HOXB13-mediated NF-kappaB/p65 signaling (p65 phosphorylation).
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Cohort Study; Survival Analysis; Transfection; CCK8; Colony Formation Assay; Transwell Assay; Western Blot; Luciferase Reporter Assay; IHC (Immunohistochemistry); In Vivo Animal Model; H&E Staining

Clinical significance:

Upregulation/high expression of ciRS-7 predicts poor outcome and is associated with poor patient survival in ESCC; may act as a prognostic marker.

Description:

ciRS-7 (Cdr1as) is up-regulated in ESCC tissues and cell lines and its high expression is associated with worse OS/DFS. Functionally, ciRS-7 promotes ESCC malignant progression by sponging miR-7, thereby de-repressing HOXB13 and activating the HOXB13-mediated NF-kappaB/p65 (p65 phosphorylation) pathway, enhancing proliferation and metastasis.

Confidence score:

0.7344

Other information
Title:

CiRS-7 promotes growth and metastasis of esophageal squamous cell carcinoma via regulation of miR-7/HOXB13.

Journal: Cell death & disease
Published: 2018
PubMed ID: 30082829
Study type:

combined biological and clinical study

Data availability: Supplementary Information accompanies this paper at (10.1038/s41419-018-0852-y).
Code availability: -