circRNA basic information
circBase ID: -
Name: hsa_circ_CDR1
Synonym: Cdr1as
Host Gene: CDR1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0004986
MONDO name: urinary bladder carcinoma
Disease details: bladder cancer
Disease DO ID:
4007
Disease MeSH ID:
-
Disease NCIt ID:
C4912
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

bladder cancer tissues; paired normal tissues; xenografted tumors

Cell lines:

TCCSUP; 5367; T24; EJ; 5637

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UN
Associated gene: APAF1, Ago2
Associated microRNA: miR-1270
Biological function: enhances cisplatin chemosensitivity and induces apoptosis in bladder cancer cells
Molecular mechanism: Cdr1as sponges miR-1270 to abolish its repression of APAF1, thereby upregulating APAF1 and promoting apoptosis/chemosensitivity
Biological pathway or process:

apoptosis (promotes); drug resistance (inhibits); ceRNA regulation (other)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; RIP (RNA Immunoprecipitation); RNA Pull-Down; FISH / smFISH; Luciferase Reporter Assay; Transfection; CCK8; Annexin V/PI Flow Cytometry; Western Blot; In Vivo Animal Model; IHC (Immunohistochemistry)

Clinical significance:

Cdr1as is potentially playing role in predicting and monitoring cisplatin chemosensitivity in patients with bladder cancer.

Description:

In bladder cancer, Cdr1as increases cisplatin chemosensitivity by promoting apoptosis. Mechanistically, Cdr1as acts as a ceRNA that sponges miR-1270, relieving repression of APAF1 and increasing APAF1 expression.

Confidence score:

0.7778

Other information
Title:

Circular RNA Cdr1as sensitizes bladder cancer to cisplatin by upregulating APAF1 expression through miR-1270 inhibition.

Journal: Molecular oncology
Published: 2019
PubMed ID: 31131537
Study type:

combined biological and clinical study

Data availability: TCGA; https://xenabrowser.net/datapages/
Code availability: -