circRNA basic information
circBase ID: hsa_circ_0003221
Name: hsa_circ_PTK2
Synonym: circ_0003221
Host Gene: -
Genomic location(hg19): chr8:141856358-141900868:-
Genomic location(hg38): chr8:140846259-140890769:-
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0004986
MONDO name: urinary bladder carcinoma
Disease details: bladder cancer / BCa
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:

BLCA tissues; normal adjacent controls; tumor tissues

Cell lines:

SV-HUC-1; 5637; T24

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: DHCR24
Associated microRNA: miR-892b
Biological function: Promotes BLCA cell proliferation, migration/invasion, glycolysis, and tumor growth; knockdown suppresses these malignant phenotypes.
Molecular mechanism: Acts as a miRNA sponge for miR-892b to increase DHCR24 expression (ceRNA-like regulation), thereby promoting malignant behaviors and glycolytic metabolism in BLCA.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (promotes); glycolysis (promotes); ceRNA regulation (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Luciferase Reporter Assay; RNA Pull-Down; Transfection; EdU; Colony Formation Assay; Transwell Assay; Western Blot; IHC (Immunohistochemistry); In Vivo Animal Model; Bioinformatics Analysis

Clinical significance:

circ_0003221 upregulation suggested potential as a diagnostic biomolecule and therapeutic target in BLCA.

Description:

circ_0003221 is upregulated in bladder cancer and promotes proliferation, migration/invasion, glycolysis, and xenograft tumor growth. Mechanistically, it sponges miR-892b to de-repress DHCR24, forming a circ_0003221/miR-892b/DHCR24 regulatory axis.

Confidence score:

0.7548

Other information
Title:

Hsa_circ_0003221 facilitates the malignant development of bladder cancer cells via resulting in the upregulation of DHCR24 by targeting miR-892b.

Journal: Investigative and clinical urology
Published: 2022
PubMed ID: 36068004
Study type:

combined biological and clinical study

Data availability: -
Code availability: -