circRNA basic information
circBase ID: hsa_circ_0000034
Name: hsa_circ_DHDDS
Synonym: -
Host Gene: DHDDS
Genomic location(hg19): chr1:26772806-26774151:+
Genomic location(hg38): chr1:26446315-26447660:+
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0008380
MONDO name: retinoblastoma
Disease details: retinoblastoma
Disease DO ID:
768
Disease MeSH ID:
D012175
Disease NCIt ID:
C7541
Disease ICD11 ID:
1855353671
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

RB tissues; neighboring normal tissues; adjacent normal tissues; mice tumor tissues

Cell lines:

ARPE-19; Y79; Weri-Rb1; SO-RB50

In vivo animal model:

cell line-derived xenograft

circRNA-disease information
Expression pattern:
UP
Associated gene: ADAM19
Associated microRNA: miR-361-3p
Biological function: Circ_0000034 acts as an oncogene in retinoblastoma; its knockdown represses cell viability, migration, invasion, EMT, and in vivo tumor growth, and induces apoptosis.
Molecular mechanism: Circ_0000034 functions as a miR-361-3p sponge to upregulate ADAM19, thereby promoting RB progression.
Biological pathway or process:

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

Detected method:
Q
Validation methods:

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

Clinical significance:

Circ_0000034 might be a possible therapeutic target for retinoblastoma.

Description:

In this study, hsa_circ_0000034/circ_0000034 was upregulated in retinoblastoma tissues and cells. Functional experiments showed that circ_0000034 promotes RB cell viability, migration, invasion, EMT, and xenograft tumor growth while suppressing apoptosis. Mechanistically, circ_0000034 acts as a sponge for miR-361-3p and thereby upregulates ADAM19, supporting the circ_0000034/miR-361-3p/ADAM19 axis as a potential therapeutic target in RB.

Confidence score:

0.7289

Other information
Title:

Circular RNA has_circ_0000034 accelerates retinoblastoma advancement through the miR-361-3p/ADAM19 axis.

Journal: Molecular and cellular biochemistry
Published: 2021
PubMed ID: 32844346
Study type:

combined biological and clinical study

Data availability: -
Code availability: -