circRNA basic information
circBase ID: hsa_circ_0000520
Name: -
Synonym: circ_0000520 / circ-0000520
Host Gene: -
Genomic location(hg19): chr14:20811436-20811559:-
Genomic location(hg38): chr14:20343277-20343400:-
Subcellular localization: not tested
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0005575
MONDO name: colorectal cancer
Disease details: Colorectal cancer / CRC
Disease DO ID:
5672, 9256
Disease MeSH ID:
-
Disease NCIt ID:
C4978
Disease ICD11 ID:
-
Disease OMIM ID:
114500
Species: Human
Species details: Homo sapiens
Tissue specimen:

tumor tissues; adjacent non-tumorous tissues

Cell lines:

HT-29; SW480; SW620; HCT116; HIEC-6

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: MYH9
Associated microRNA: miR-542-3p
Biological function: Enhances proliferation, migration and invasion; promotes CRC progression; increases cell viability; suppresses apoptosis.
Molecular mechanism: Acts as a ceRNA/miRNA sponge for miR-542-3p, regulating MYH9.
Biological pathway or process:

proliferation (promotes); migration (promotes); invasion (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; Colony Formation Assay; Luciferase Reporter Assay; Bioinformatics Analysis; Cohort Study; Survival Analysis

Clinical significance:

High hsa_circ_0000520 expression is associated with adverse prognosis and reduced overall survival and DFS, suggesting it as a prognostic biomarker for CRC.

Description:

hsa_circ_0000520 is up-regulated in colorectal cancer tissues and cell lines and promotes malignant phenotypes (proliferation, migration, invasion) while inhibiting apoptosis. Mechanistically, it acts as a miR-542-3p sponge to regulate MYH9, and high expression predicts poorer survival in CRC patients.

Confidence score:

0.7396

Other information
Title:

hsa_circ_0000520 Serves as a Prognostic Biomarker for Colorectal Cancer and Promotes in the Disease Progression.

Journal: The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology
Published: 2024
PubMed ID: 39641304
Study type:

combined biological and clinical study

Data availability: GSE128435
Code availability: -