circRNA basic information
circBase ID: hsa_circ_0001946
Name: hsa_circ_CDR1
Synonym: -
Host Gene: CDR1
Genomic location(hg19): chrX:139865339-139866824:+
Genomic location(hg38): chrX:140783174-140784659:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0018177
MONDO name: glioblastoma
Disease details: glioblastoma / GBM
Disease DO ID:
3068
Disease MeSH ID:
D005909
Disease NCIt ID:
C3058
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

glioma tissue; normal brain tissue; tumor tissue; adjacent nontumor tissue

Cell lines:

U87; U251; HM

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
DN
Associated gene: CDR1, Ki67
Associated microRNA: miR-671-5p
Biological function: Circ_0001946 inhibits GBM cell proliferation, migration, invasion, and xenograft tumor growth, and promotes apoptosis.
Molecular mechanism: Circ_0001946 acts as a competing endogenous RNA that sponges miR-671-5p, thereby upregulating CDR1 expression and suppressing GBM progression.
Biological pathway or process:

ceRNA regulation (promotes); proliferation (inhibits); apoptosis (promotes); migration (inhibits); invasion (inhibits); metastasis (inhibits)

Detected method:
Q
S
M
Validation methods:

RT-qPCR; RNA-seq; Microarray; Bioinformatics Analysis; Luciferase Reporter Assay; Transfection; Colony Formation Assay; Annexin V/PI Flow Cytometry; Transwell Assay; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry)

Clinical significance:

The circ_0001946/miR-671-5p/CDR1 pathway might be a promising therapeutic target for GBM.

Description:

circ_0001946 is down-regulated in GBM and functions as a tumor suppressor. It sponges miR-671-5p to increase CDR1 expression, thereby inhibiting GBM cell proliferation, migration, invasion, and xenograft tumor growth while promoting apoptosis. The circ_0001946/miR-671-5p/CDR1 axis is proposed as a potential therapeutic target for GBM.

Confidence score:

0.697

Other information
Title:

Circular RNA circ_0001946 acts as a competing endogenous RNA to inhibit glioblastoma progression by modulating miR-671-5p and CDR1.

Journal: Journal of cellular physiology
Published: 2019
PubMed ID: 30663767
Study type:

combined biological and bioinformatics study

Data availability: GSE86202; GPL16791; circBase; CircNet; CircInteractome
Code availability: -