circRNA basic information
circBase ID: -
Name: hsa_circ_CDR1
Synonym: ciRS-7 / ciRS7
Host Gene: CDR1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005580
MONDO name: esophageal squamous cell carcinoma
Disease details: esophageal squamous cell carcinoma / ESCC
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:

tumor tissues; matched adjacent normal tissues

Cell lines:

KYSE150; KYSE140; KYSE70; Eca9706; EC18; TE13; HEEC

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: KLF4, KLF-4, MMP-2, MMP-9, p65, IKK-alpha, NF-kappaB
Associated microRNA: miR-7
Biological function: ciRS-7 promotes the migration and invasion of ESCC cells, while no significant effect on proliferation was observed in KYSE150 and Eca9706 cells.
Molecular mechanism: ciRS-7 acts through the miR-7/KLF4 axis and activation of NF-kappaB p65 signaling; ciRS-7 increases p65 expression via phosphorylation of IKK-alpha.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Transfection; MTT; Wound Healing Assay; Transwell Assay; Western Blot; Bioinformatics Analysis

Clinical significance:

Targeted inhibition of ciRS-7 might be a potential approach for ESCC treatment.

Description:

ciRS-7 is up-regulated in ESCC tissues and cell lines. Functionally, overexpression of ciRS-7 promotes ESCC cell migration and invasion, with little effect on proliferation in the tested KYSE150 and Eca9706 cells. Mechanistically, ciRS-7 acts through the miR-7/KLF4 axis and activates NF-kappaB p65 signaling via IKK-alpha phosphorylation, suggesting ciRS-7 as a potential therapeutic target for ESCC.

Confidence score:

0.5732

Other information
Title:

Circular RNA ciRS-7 triggers the migration and invasion of esophageal squamous cell carcinoma via miR-7/KLF4 and NF-kappaB signals.

Journal: Cancer biology & therapy
Published: 2019
PubMed ID: 30207835
Study type:

combined biological and clinical study

Data availability: -
Code availability: -