circRNA basic information
circBase ID: hsa_circ_0001821
Name: hsa_circ_PVT1
Synonym: circPVT1
Host Gene: PVT1
Genomic location(hg19): chr8:128902834-128903244:+
Genomic location(hg38): chr8:127890588-127890998:+
Subcellular localization: cytoplasm
 
 
 
 
 
 
 
Disease basic information
MONDO ID:
0009807
MONDO name: osteosarcoma
Disease details: osteosarcoma / OS
Disease DO ID:
3347
Disease MeSH ID:
D012516
Disease NCIt ID:
C9145
Disease ICD11 ID:
-
Disease OMIM ID:
-
Species: Human
Species details: Homo sapiens
Tissue specimen:

-

Cell lines:

hFOB1.19; MG63; HOS; U2OS; HEK-293 T

In vivo animal model:

-

circRNA-disease information
Expression pattern:
UP
Associated gene: HAVCR2
Associated microRNA: miR-490-5p
Biological function: promotes migration and invasion of osteosarcoma cells
Molecular mechanism: ceRNA mechanism: circPVT1 sequesters miR-490-5p to upregulate HAVCR2
Biological pathway or process:

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

Detected method:
Q
Validation methods:

RT-qPCR; RNase R Treatment; FISH / smFISH; Luciferase Reporter Assay; Transfection; Wound Healing Assay; Transwell Assay; Western Blot; Bioinformatics Analysis

Clinical significance:

-

Description:

circPVT1 is up-regulated in osteosarcoma cell lines and promotes migration and invasion. Mechanistically, it localizes mainly in the cytoplasm and acts as a ceRNA by sponging miR-490-5p, thereby upregulating HAVCR2 to drive these malignant phenotypes.

Confidence score:

0.6683

Other information
Title:

CircPVT1 promotes migration and invasion by regulating miR-490-5p/HAVCR2 axis in osteosarcoma cells.

Journal: Journal of cellular and molecular medicine
Published: 2024
PubMed ID: 38568056
Study type:

biological research

Data availability: GSE65071; GSE28423; GSE11416; GSE33382
Code availability: -