circRNA basic information
circBase ID: hsa_circ_0003746
Name: hsa_circ_CALD1
Synonym: circ-0003746
Host Gene: CALD1
Genomic location(hg19): -
Genomic location(hg38): -
Subcellular localization: not tested
 
 
 
 
 
 
 
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:

BCa tissues; adjacent normal tissues; tumor tissue; lung tissue sections

Cell lines:

T24; 5637; UMUC3; EJ; J82; SV-HUC-1; 293T

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: E-cadherin, N-cadherin, vimentin
Associated microRNA: miR-526b
Biological function: Promotes BCa cell proliferation, migration, invasion, tumor growth and metastasis; promotes EMT-mediated bladder cancer progression.
Molecular mechanism: circ-0003746 acts as a ceRNA sponge for miR-526b and regulates EMT-related proteins, thereby promoting BCa progression.
Biological pathway or process:

ceRNA regulation (promotes); EMT (promotes); proliferation (promotes); migration (promotes); invasion (promotes); metastasis (promotes)

Detected method:
Q
Validation methods:

RT-qPCR; Clinical Sample Validation; Bioinformatics Analysis; Back-Splice Junction PCR / divergent primers PCR; Sanger Sequencing; RNase R Treatment; FISH / smFISH; Transfection; EdU Staining; Colony Formation Assay; Wound Healing Assay; Transwell Assay; Luciferase Reporter Assay; Western Blot; IHC (Immunohistochemistry); IF (Immunofluorescence); In Vivo Animal Model; H&E Staining

Clinical significance:

circ-0003746 is associated with tumor progression, including T-stage and N-stage, and may serve as a potential biomarker and therapeutic target for BCa.

Description:

circ-0003746 is a CALD1-derived circRNA up-regulated in bladder cancer tissues and cell lines. It promotes BCa proliferation, migration, invasion, tumor growth and metastasis by sponging miR-526b and activating EMT-related changes. The study suggests circ-0003746 may be a biomarker and therapeutic target for BCa.

Confidence score:

0.8326

Other information
Title:

CALD1-derived circ-0003746 targeting miR-526b promotes EMT-mediated bladder cancer progression.

Journal: Experimental cell research
Published: 2025
PubMed ID: 40818763
Study type:

combined biological and clinical study

Data availability: Data will be made available on request; Supplementary data to this article can be found online at https://doi. org/10.1016/j.yexcr.2025.114710.
Code availability: -